Information Bulletins

Division of Codes and Standards

Information Bulletins are periodically issued by HCD in order to announce changes in law or regulations, or to clarify issues. Be aware that some portions of older Bulletins may have been superseded by more recent updates.

Mobilehome and Special Occupancy Parks (MP/SOP)

Information Bulletin 2020-08 (MH, MP/SOP) – General Manufactured Housing Contractor—Licensing and Permits (PDF)
Information Bulletin 2020-05 (MH, MP, SOP) – Assembly Bill 338—Manufactured Housing Smoke Alarms and Emergency Preparedness Plans (PDF)
Information Bulletin 2020-03 (SHL, EH, RT, MP, MH) – 2019 Legislative Changes (PDF)
Information Bulletin 2020-01 (MH, MP, SOP) – California Energy Code Photovoltaic (Solar) Requirements and Manufactured Housing/Mobilehomes (PDF)
Information Bulletin 2019-04 (MP, SOP) – Validity of Local Ordinances Relating to Construction and/or Operation of Solar Facilities within Mobilehome Parks [Supplement to Information Bulletin 2008-10 (MP) dated April 21, 2008] (PDF)
Information Bulletin 2019-01 (SHL, RT, MP, MH) – 2018 Legislative Changes (PDF)
Information Bulletin 2018-04 (MP, SOP, MH) – Manufactured Housing Assembly Bill 1943 (Chapter 254, Statutes of 2018) (PDF)
Information Bulletin 2018-03 (MP, SOP, MH, RT) – Mobilehome Residency Law Protection Act Assembly Bill 3066 (Chapter 774, Statutes of 2018) (PDF)
Information Bulletin 2017-05 (SHL, RT, MP) – 2017 Legislative Changes (PDF)
Information Bulletin 2017-04 (MP, SOP) – Accessibility in Special Occupancy Parks with Short-Term Rental or Leased Recreational Vehicles and Park Trailers (PDF)

Reissued January 4, 2018

Information Bulletin 2017-02 (SPA, MP, SOP) – Notice of Changes to the Referenced California Building Standards Code Affecting Department Approved Standard Plan Approvals (PDF)
Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)

Revised May 9, 2016

Information Bulletin 2015-07 (MP, RT, OL) – Disposal of Abandoned Mobilehomes (PDF)
Information Bulletin 2015-06 (MP, MH, OL, RT, SHL) - 2015 Legislative Changes (PDF)
Information Bulletin 2014-02 (MP, GEN, SHL) - 2014 Legislative Changes (PDF)
Information Bulletin 2014-01 (MH, MP, OL) – Legal Issues Related to Sales of Manufactured Housing Units by Mobilehome Park Interests Without HCD Occupational Licensing (PDF)
Information Bulletin 2013-04 (MP, SOP) – Notice of Changes to the Referenced California Building Code Standards Affecting Department Approved Standard Plan Approvals (PDF)
Information Bulletin 2012-06 (MP, OL) - 2012 Legislative Changes (PDF)
Information Bulletin 2011-02 (MP, SOP) – 2011 Amendments to the Mobilehome and Special Occupancy Park Regulations Contained in Title 25 Chapters 2 and 2.2 (PDF)
Information Bulletin 2010-03 (SHL, FBH, MP/SOP) – 2010 California Building Standards Code Effective Date, and Guide to CALGreen (PDF)
Information Bulletin 2010-02 (MP, SOP) – Emergency Preparedness Plans (PDF)
Information Bulletin 2010-01 (OL) – Mortgage Loan Activity Licensing Requirements; Safe Act (PDF)
Information Bulletin 2009-07 (MH, OL, RT) — Manufactured Home, Mobilehome, Multifamily Manufactured Home Water Heater Seismic Bracing, Anchoring and Strapping Regulations (PDF)
Information Bulletin 2009-06 (SHL, MP/SOP) – 2009 Legislative Changes (PDF)
Information Bulletin 2009-04 (MP, SOP) – 2009 Legislative Change to the Mobilehome Park Permit to Operate and Per Lot Fees (PDF)
Information Bulletin 2009-03 (MH) — Title 25, California Code of Regulations, Chapter 3, Article 2.3, Ignition-Resistant Construction (PDF)
Information Bulletin 2009-01 (SHL, OL, FBH, MH, MP/SOP) — 2008 Legislative Changes (PDF)
Information Bulletin 2008-10 (MP) — Validity of Local Ordinances Relating to Installation of Manufactured Homes and Conversion of Mobilehome Parks (PDF)
Information Bulletin 2008-11 (MH, FHB, MP-SOP, SHL) — To inform affected parties of the change in process regarding disbursement of recall. (PDF)
Information Bulletin 2008-07 — Standard Plan Approval and the 2007 CBC (PDF)
- Applicability of the 2007 CBC to Current SPA Foundation Systems (PDF)
Information Bulletin 2008-06 — 2007 Legislative Changes (PDF)
Information Bulletin 2007–05 — Approval of Trenchless PE Sewer Piping(PDF)
Information Bulletin 2007–04 — Building Standards Codes Adoption (PDF)
Information Bulletin 2006–08 — 2006 Regulation Changes (PDF)
Information Bulletin 2005-15 — 2005 Legislative Changes (PDF)
Information Bulletin 2005-10 — Lot Line Amendments
Information Bulletin 2005-05 — 2004 Legislative Changes (PDF)
Information Bulletin 2004-01 — Regulation Rewrite (PDF)
Information Bulletin 2001-06 (MH, OL, MP, RT) — Manufactured Housing Escrow Law and Regulations (PDF)
Information Bulletin 99-01 (EH, MP) – Information regarding the transfer of employee housing and mobilehome park permit to operate oversight (PDF)
Information Bulletin 98-11 (MH, MP) — 1998 Legislative Changes Affecting Recreational Vehicles (PDF)
Information Bulletin 98-05 (EH, MP) – Emergency Regulations – Applicant Qualification Verification (PDF)
Information Bulletin 98-01 (EH-SHL-MP-FBH) – 1997 Legislative Changes (PDF)

Occupational Licensing (OL)

Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)
- Revised May 9, 2016
Information Bulletin 2015-07 (MP, RT, OL) – Disposal of Abandoned Mobilehomes (PDF)
Information Bulletin 2015-06 (MP, MH, OL, RT, SHL) - 2015 Legislative Changes (PDF)
Information Bulletin 2014-01 (MH, MP, OL) – Legal Issues Related to Sales of Manufactured Housing Units by Mobilehome Park Interests Without HCD Occupational Licensing (PDF)
Information Bulletin 2012-06 (MP, OL) - 2012 Legislative Changes (PDF)
Information Bulletin 2012-04 (OL) – Manufactured Home (MH) Dealer Escrow Clarification (PDF)
Information Bulletin 2011-04 (OL) – 2011 Amendments to the Occupational Licensing Regulations Contained in California Code of Regulations, Title 25 (PDF)
Information Bulletin 2010-02 (MP, SOP) – Emergency Preparedness Plans (PDF)
Information Bulletin 2010-01 (OL) – Mortgage Loan Activity Licensing Requirements; Safe Act (PDF)
Information Bulletin 2009-08 (MH, OL) — 2009 Legislative Changes (PDF)
Information Bulletin 2009-07 (MH, OL, RT) — Manufactured Home, Mobilehome, Multifamily Manufactured Home Water Heater Seismic Bracing, Anchoring and Strapping Regulations (PDF)
Information Bulletin 2009-03 (MH) — Title 25, California Code of Regulations, Chapter 3, Article 2.3, Ignition-Resistant Construction (PDF)
Information Bulletin 2009-02 (MH, OL) — Advisory Notice Regarding Composite Wood Panel Formaldehyde Emission Requirements (PDF)
Information Bulletin 2009-01 (SHL, OL, FBH, MH, MP/SOP) — 2008 Legislative Changes (PDF)
Information Bulletin 2008-04 (MH/OL) — Implementation of Federal Manufactured Home Dispute Resolution Program (PDF)
Information Bulletin 2008-03 (OL) — Occupational Licensing (OL) Study Guide (PDF)
Information Bulletin 2008-02 (SHL, FBH) — 2007 Legislative Changes (PDF)
Information Bulletin 2008-01 (MH, OL) — 2007 Legislative Changes (PDF)
Information Bulletin 2007-06 (OL, RT) — $10 Manufactured Home Recovery Fund Fee (PDF)
Information Bulletin 2006-07 (OL) — 2007 Occupational Licensing Study Guide Publishing and Purchasing Requirements (PDF)
Information Bulletin 2006-03 (OL, RT) — 2006 Legislative Changes (PDF)
Information Bulletin 2005-14 (OL) — New Live Scan Fingerprint Process For License Applications (PDF)
Information Bulletin 2005-04 (MH, OL) — 2004 Legislative Changes (PDF)
Information Bulletin 2004-03 (OL) — New Policy Regarding Replacement of Manufactured Home HUD Certification Labels (PDF)
Information Bulletin 2003-11 (OL) — 2003 Legislative Changes (PDF)
Information Bulletin 2003-07 (OL, RT) — Dealer Sales of New and Used Manufactured Homes, Mobilehomes, and Multi-Unit Manufactured Housing to be Installed as Chattel on Foundation Systems Pursuant to Health and Safety Code Section 18551(b) (PDF)
Information Bulletin 2002-12 (OL, RT) — Reporting Dealer Sales of Manufactured Homes, Mobilehomes, Multi-Unit Manufactured Housing and Commercial Modulars to be Installed on Foundation Systems Pursuant to Health and Safety Code Section 18551(a) (PDF)
Information Bulletin 2002-08 (MH) — Disabled Access Requirements - Commercial Coaches (PDF)
Information Bulletin 2002-01 (MH) — 2001 Legislative Changes (PDF)
Information Bulletin 2001-06 (MH, OL, MP, RT) — Manufactured Housing Escrow Law and Regulations (PDF)
Information Bulletin 2001-04 (MH) — New Regulations for the Design and Installation of Fire Sprinkler Systems in Manufactured Homes and Multi-Unit Manufactured Housing with Two Dwelling Units (PDF)
Information Bulletin 2000-07 (MH, OL) — 2000 Legislative Changes Affecting Manufactured Housing Programs (PDF)
Information Bulletin 2000-02 (MH, MP) — Mobilehome Recovery Fund Fees (PDF)
Information Bulletin 1998-04 (MH/OL) — Emergency Regulations - Applicant Qualification Verification (PDF)
Information Bulletin MH 93-11 — Commercial Coach Licensee Audit Objectives (PDF)
Information Bulletin MH 93-08 — Manufacture, Transportation, Sale, Lease and Use of Commercial Codes (PDF)
Information Bulletin MH 93-03 — 1992 Legislative Amendment to Health and Safety Code Section 18551.1 and the Addition of New Section 18555 (PDF)
Information Bulletin MH 93-01 — 1992 Legislative Changes Amending the Health and Safety Code (PDF)
Information Bulletin MH 85-03 — Mobilehome Recovery Fund (PDF)
Information Bulletin MH 83-16 — Unlicensed Manufactured Home/Mobilehome Sales Activities (PDF)

Registration and Titling (RT)

Information Bulletin 2020-03 (SHL, EH, RT, MP, MH) – 2019 Legislative Changes (PDF)
Information Bulletin 2019-01 (SHL, RT, MP, MH) – 2018 Legislative Changes (PDF)
Information Bulletin 2018-03 (MP, SOP, MH, RT) – Mobilehome Residency Law Protection Act Assembly Bill 3066 (Chapter 774, Statutes of 2018) (PDF)
Information Bulletin 2017-05 (SHL, RT, MP) – 2017 Legislative Changes (PDF)
Information Bulletin 2017-03 (SHL, RT, EH) – 2016 Legislative Changes (PDF)
Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)
- Revised May 9, 2016
Information Bulletin 2015-07 (MP, RT, OL) – Disposal of Abandoned Mobilehomes (PDF)
Information Bulletin 2015-06 (MP, MH, OL, RT, SHL) - 2015 Legislative Changes (PDF)
Information Bulletin 2015-05 (MH, RT) – Commercial Modular (CM) – Registration and Titling Information (PDF)
Information Bulletin 2015-02 (RT) - Revisions to Registration and Titling Forms (PDF)
Information Bulletin 2009-07 (MH, OL, RT) - Manufactured Home, Mobilehome, Multifamily Manufactured Home Water Heater Seismic Bracing, Anchoring and Strapping Regulations (PDF)
Information Bulletin 2007-06 (OL, RT) - $10 Manufactured Home Recovery Fund Fee (PDF)
Information Bulletin 2006-03 (OL, RT) - 2006 Legislative Changes (PDF)
Information Bulletin 2004-03 (MH/RT) - New Policy Regarding Replacement of Manufactured Home HUD Certification Labels (PDF)
Information Bulletin 2003-07 (OL, RT) - Dealer Sales of New and Used Manufactured Homes, Mobilehomes, and Multi-Unit Manufactured Housing to be Installed as Chattel on Foundation Systems Pursuant to Health and Safety Code Section 18551(b) (PDF)
Information Bulletin 2002-12 (OL, RT) - Reporting Dealer Sales of Manufactured Homes, Mobilehomes, Multi-Unit Manufactured Housing and Commercial Modulars to be Installed on Foundation Systems Pursuant to Health and Safety Code Section 18551(a) (PDF)
Information Bulletin 2001-06 (MH, OL, MP, RT) - Manufactured Housing Escrow Law and Regulations (PDF)

Employee Housing (EH)

Information Bulletin 2020-03 (SHL, EH, RT, MP, MH) – 2019 Legislative Changes (PDF)
Information Bulletin 2017-03 (SHL, RT, EH) – 2016 Legislative Changes (PDF)
Information Bulletin 2009-05 (EH) – 2009 Legislative Change to Employee Housing Permit to Operate Fees (PDF)
Information Bulletin 2006-09 (SHL, EH, FBH) – 2006 Legislative Changes (PDF)
Information Bulletin 2005-16 (SHL, EH) – 2005 Legislative Changes (PDF)
Information Bulletin 2005-06 (SHL, EH) – 2004 Legislative Changes (PDF)
Information Bulletin 2003-10 (EH) – 2003 Legislative Changes (PDF)
Information Bulletin 2003-01 (EH) – 2002 Legislative Changes (PDF)
Information Bulletin 2002-01 (EH) – 2001 Legislative Changes (PDF)
Information Bulletin 2001-02 (SHL, EH) – 2000 Legislative Changes (PDF)
Information Bulletin 99-01 (EH, MP) – Information regarding the transfer of employee housing and mobilehome park permit to operate oversight (PDF)
Information Bulletin 98-05 (EH, MP) – Emergency Regulations – Applicant Qualification Verification (PDF)
Information Bulletin 98-01 (EH-SHL-MP-FBH) – 1997 Legislative Changes (PDF)
Information Bulletin 96-01 (EH) – 1995 Legislative Changes (PDF)
Information Bulletin 95-04 (EH) – 1994 Legislative Changes (PDF)
Information Bulletin EH 93-01 – 1993 Legislative Changes (PDF)
Information Bulletin EH 92-01 – Emergency regulations permitting tents to be used at lower temperatures for employee housing (PDF)
Information Bulletin EH 91-01 – 1991 Legislative Changes (PDF)
Information Bulletin EH 90-01 – Clarifications regarding the requirements for annual Permits to Operate a labor camp, employee housing facilities and available

Factory-Built Housing (FBH)

Information Bulletin 2020-06 (SHL, FBH, CM, SPCM) – California Building Standards—Use of Appendices and Informative Annexes (PDF)
Information Bulletin 2019-03 (SHL, FBH, CM, SPCM) – 2019 California Building Standards Code Effective Date January 1, 2020, including Factory-Built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2019-02 (SHL, FBH, MH) – Recycled Water Supply Systems: Invalidation of the California Department of Housing and Community Development’s Amendments to the 2016 California Plumbing and 2016 Green Building Standards Codes, Parts 5 and 11, Title 24, California Code of Regulations (PDF)
Information Bulletin 2018-05 (SHL, FBH, CM) – Emergency Housing - Permanent Adoption of Emergency Regulations Effective December 7, 2018 for 2016 California Building Code and 2016 California Residential Code (PDF)
Information Bulletin 2018-02 (SHL, FBH, CM) – 2016 California Building Standards Code SUPPLEMENT, Effective July 1, 2018, Information for Factory-Built Housing, Commercial Modulars, and Special Purpose Commercial Modulars (PDF)
Information Bulletin 2018-01 (SHL, MH, FBH) – Emergency Housing – Adoption of Emergency Regulations, Effective April 18, 2018 (PDF)

Information Bulletin 2018-01 (SHL, MH, FBH) – Supplement - Emergency Housing – Adoption of Emergency Regulations, Effective through January 14, 2019 (PDF)

Information Bulletin 2017-01 (SHL, FBH) – Emergency Building Standards for Immediate Enforcement – Exterior Elevated Elements (PDF)

Information Bulletin 2017-01 (SHL, FBH) – Supplement – Exterior Elevated Elements, Readoption Effective through October 27, 2017 (PDF)
Information Bulletin 2017-01 (SHL, FBH) – Second Supplement – Exterior Elevated Elements, Second Readoption Effective through January 26, 2018 (PDF)
Information Bulletin 2017-01 (SHL, FBH) – Third Supplement – Exterior Elevated Elements, Permanent Adoption of Emergency Regulations, Effective December 13, 2017 (PDF)

Information Bulletin 2016-05 (FBH, CM, SPCM, MFMH) – 2016 California Building Standards Code Effective Date, including Factory-Built Housing, Commercial Modular and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2016-04 (FBH, CM, SPCM) – Adoption of Permanent Water Use Reduction Regulations in the 2013 California Plumbing Code and 2013 California Green Building Standards Code (PDF)
Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)
- Revised May 9, 2016
Information Bulletin 2015-04 (SHL, FBH) - 2013 California Building Standards Code SUPPLEMENT, Effective July 1, 2015, Information for Factory-Built Housing Commercial Modulars, and Special Purpose Commercial Modulars (PDF)
Information Bulletin 2015-03 (SHL, FBH) - Emergency Regulations Effective June 1, 2015, Outdoor Potable Water Reduction, 2013 California Green Building Standards (CALGreen) Code (PDF)
Information Bulletin 2015-01 (FBH) – Factory-Built Housing – Quality Assurance Agencies/ Quality Assurance Inspections Reporting and Inspection Standards (PDF)
Information Bulletin 2013-07 (SHL) – Senate Bill 407 (Padilla, Chapter 587, Statutes of 2009) Water Conservation (PDF)
Information Bulletin 2013-05 (SHL, FBH, MH) – 2013 California Building Standards Code Effective Date Factory-built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2013-03 (FBH) – 2013 California Building Standards Code Effective Date for Factory-built Housing (FBH) (PDF)
Information Bulletin 2012-07 (SHL, FBH) - 2012 Legislative Changes (PDF)
Information Bulletin 2010-03 (SHL, FBH, MP/SOP) – 2010 California Building Standards Code Effective Date, and Guide to CALGreen (PDF)
Information Bulletin 2009-01 (SHL, OL, FBH, MH, MP/SOP) — 2008 Legislative Changes (PDF)
Information Bulletin 2008-11 (MH, FHB, MP-SOP, SHL) — To inform affected parties of the change in process regarding disbursement of recall. (PDF)
Information Bulletin 2008-02 (SHL, FBH) — 2007 Legislative Changes (PDF)
Information Bulletin 2007-04 (SHL, FBH, MP/SOP) — 2007 California Building Standards Code Effective Date, International Residential Code (IRC) Information Update, Factory-Built Housing (FBH) Procedures (PDF)
Information Bulletin 2007-02 (SHL, FBH) — Model Universal Design Checklist (PDF)
Information Bulletin 2007-01 (SHL, FBH) — Final EIR for unrestricted use of chlorinated polyvinyl chloride (CPVC) plastic plumbing pipe (PDF)
Information Bulletin 2006-09 (SHL, EH, FBH) — 2006 Legislative Changes (PDF)
Information Bulletin 2005-13 (SHL) — Universal Design: New Model Ordinance Availability and New Builder Checklist Requirement (PDF)
Information Bulletin 05-11 Factory-Built Housing - Handbook for City and County Building Officials (PDF)
Information Bulletin 1998-04 (MH/OL) — This information bulletin addresses the 1998 emergency regulations that implemented "Applicant Qualification Verification," a pre-licensing check that seek to ensure that all licensure applicants are either U.S. citizens or qualified aliens (PDF)
Information Bulletin 89-03 — Factory-Built Housing Insignia Requirements (PDF)
Information Bulletin 86-03 — Installation of Factory-Built Housing (PDF)
Information Bulletin 86-01 — Installation of Factory-Built Housing (PDF)

Manufactured Housing (MH)

Information Bulletin 2020-08 (MH, MP/SOP) – General Manufactured Housing Contractor—Licensing and Permits (PDF)
Information Bulletin 2020-05 (MH, MP, SOP) – Assembly Bill 338—Manufactured Housing Smoke Alarms and Emergency Preparedness Plans (PDF)
Information Bulletin 2020-03 (SHL, EH, RT, MP, MH) – 2019 Legislative Changes (PDF)
Information Bulletin 2020-01 (MH, MP, SOP) – California Energy Code Photovoltaic (Solar) Requirements and Manufactured Housing/Mobilehomes (PDF)
Information Bulletin 2019-03 (SHL, FBH, CM, SPCM) – 2019 California Building Standards Code Effective Date January 1, 2020, including Factory-Built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2019-02 (SHL, FBH, MH) – Recycled Water Supply Systems: Invalidation of the California Department of Housing and Community Development’s Amendments to the 2016 California Plumbing and 2016 Green Building Standards Codes, Parts 5 and 11, Title 24, California Code of Regulations (PDF)
Information Bulletin 2019-01 (SHL, RT, MP, MH) – 2018 Legislative Changes (PDF)
Information Bulletin 2018-05 (SHL, FBH, CM) – Emergency Housing - Permanent Adoption of Emergency Regulations Effective December 7, 2018 for 2016 California Building Code and 2016 California Residential Code (PDF)
Information Bulletin 2018-04 (MP, SOP, MH) – Manufactured Housing Assembly Bill 1943 (Chapter 254, Statutes of 2018) (PDF)
Information Bulletin 2018-03 (MP, SOP, MH, RT) – Mobilehome Residency Law Protection Act Assembly Bill 3066 (Chapter 774, Statutes of 2018) (PDF)
Information Bulletin 2018-01 (SHL, MH, FBH) – Emergency Housing – Adoption of Emergency Regulations, Effective April 18, 2018 (PDF)

Information Bulletin 2018-01 (SHL, MH, FBH) – Supplement - Emergency Housing – Adoption of Emergency Regulations, Effective through January 14, 2019 (PDF)

Information Bulletin 2017-01 (SHL, FBH) – Emergency Building Standards for Immediate Enforcement – Exterior Elevated Elements (PDF)
Information Bulletin 2016-05 (FBH, CM, SPCM, MFMH) – 2016 California Building Standards Code Effective Date, including Factory-Built Housing, Commercial Modular and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2016-04 (FBH, CM, SPCM) – Adoption of Permanent Water Use Reduction Regulations in the 2013 California Plumbing Code and 2013 California Green Building Standards Code (PDF)
Information Bulletin 2016-02 (MH) - Commercial Modular Units – Building Standards and Ordinances (PDF)
- Replaces Information Bulletins 2006-06 and 2002-08
Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)
- Revised May 9, 2016
Information Bulletin 2015-06 (MP, MH, OL, RT, SHL) - 2015 Legislative Changes (PDF)
Information Bulletin 2015-05 (MH, RT) – Commercial Modular (CM) – Registration and Titling Information (PDF)
Information Bulletin 2014-01 (MH, MP, OL) – Legal Issues Related to Sales of Manufactured Housing Units by Mobilehome Park Interests Without HCD Occupational Licensing (PDF)
Information Bulletin 2013-07 (SHL) – Senate Bill 407 (Padilla, Chapter 587, Statutes of 2009) Water Conservation (PDF)
Information Bulletin 2013-06 (MH) – Manufactured Home, Mobilehome, and Multifamily Manufactured Housing Fire Sprinkler Systems (PDF)
Information Bulletin 2013-05 (SHL, FBH, MH) – 2013 California Building Standards Code Effective Date Factory-built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2012-03 (MH) – Carbon Monoxide Device Installation in New & Used Manufactured Homes; Amended Ignition Resistant Construction Rules (PDF)
Information Bulletin 2012-02 (MH/CM) – Commercial Modular (CM) Insignia Data Entry (PDF)
Information Bulletin 2011-06 (MH) – Commercial Modular and Special Purpose Commercial Modular Amended Design and Construction Standards; Adoption of T24, California Building Standards Code (PDF)
Information Bulletin 2011-05 (MH) – Manufactured Homes, Mobilehomes and Commercial Modulars Installed on Foundation Systems – HCD 433A (PDF)
Information Bulletin 2010-04 (MH) – Manufactured Home Fire Sprinkler Systems (PDF)
Information Bulletin 2010-01 (OL) – Mortgage Loan Activity Licensing Requirements; Safe Act (PDF)
Information Bulletin 2009-08 (MH, OL) — 2009 Legislative Changes (PDF)
Information Bulletin 2009-07 (MH, OL, RT) — Manufactured Home, Mobilehome, Multifamily Manufactured Home Water Heater Seismic Bracing, Anchoring and Strapping Regulations (PDF)
Information Bulletin 2009-03 (MH) — Title 25, California Code of Regulations, Chapter 3, Article 2.3, Ignition-Resistant Construction (PDF)
Information Bulletin 2009-02 (MH, OL) — Advisory Notice Regarding Composite Wood Panel Formaldehyde Emission Requirements (PDF
Information Bulletin 2009-01 (SHL, OL, FBH, MH, MP/SOP) — 2008 Legislative Changes (PDF)
Information Bulletin 2008-11 (MH, FHB, MP-SOP, SHL) — To inform affected parties of the change in process regarding disbursement of recall. (PDF)
Information Bulletin 2008-04 (MH/OL) — Implementation of Federal Manufactured Home Dispute Resolution Program (PDF)
Information Bulletin 2008-02 (SHL, FBH) — 2007 Legislative Changes (PDF)
Information Bulletin 2008-01 (MH/OL) — 2007 Legislative Changes (PDF)
Information Bulletin 2006-05 (MH) — Requirements for Manufactured Homes, Mobilehomes and Commercial Modulars Installed on Foundation Systems; HCD MH 433 forms (PDF)
Information Bulletin 2005-04 (MH, OL) — 2004 Legislative Changes (PDF)
Information Bulletin 2004-03 (MH/RT) — New Policy Regarding Replacement of Manufactured Home HUD Certification Labels (PDF)
Information Bulletin 2002-01 (EH) – 2001 Legislative Changes (PDF)
Information Bulletin 2001-06 (MH, OL, MP, RT) - Manufactured Housing Escrow Law and Regulations (PDF)
Information Bulletin 2000-07 (MH, OL) — 2000 Legislative Changes Affecting Manufactured Housing Programs (PDF)
Information Bulletin 2000-02 (MH, MP) — Mobilehome Recovery Fund Fees (PDF)
Information Bulletin 98-11 (MH, MP) — 1998 Legislative Changes Affecting Recreational Vehicles (PDF)
Information Bulletin 1998-04 (MH/OL) — Emergency Regulations - Applicant Qualification Verification (PDF)
Information Bulletin MH 93-11 — Commercial Coach Licensee Audit Objectives (PDF)
Information Bulletin MH 93-08 — Manufacture, Transportation, Sale, Lease and Use of Commercial Codes (PDF)
Information Bulletin MH 93-01 — 1992 Legislative Changes Amending the Health and Safety Code (PDF)
Information Bulletin MH 92-05 — Shipment of Incomplete Commercial Coaches and Mobilehomes (PDF)
Information Bulletin MH 90-11 — Plan Renewals (PDF)
Information Bulletin MH 88-04 — Replacement Fuel Gas Burning Water Heaters for Manufactured Homes and Mobilehomes (PDF)
Information Bulletin MH 86-11 — Procedures, Forms, Documents and Requirements for Manufactured Homes, Mobilehomes and Commercial Coaches Installed on Foundation Systems (PDF)
Information Bulletin 85-12 (MH) — Plan Approval Requirements (PDF)
Information Bulletin MH 85-03 — Mobilehome Recovery Fund (PDF)
Information Bulletin MH 83-16 — Unlicensed Manufactured Home/Mobilehome Sales Activities (PDF)

State Housing Law (SHL)

Information Bulletin 2020-06 (SHL, FBH, CM, SPCM) – California Building Standards—Use of Appendices and Informative Annexes (PDF)
Information Bulletin 2020-03 (SHL, EH, RT, MP, MH) – 2019 Legislative Changes (PDF)
Information Bulletin 2019-03 (SHL, FBH, CM, SPCM) – 2019 California Building Standards Code Effective Date January 1, 2020, including Factory-Built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2019-02 (SHL, FBH, MH) – Recycled Water Supply Systems: Invalidation of the California Department of Housing and Community Development’s Amendments to the 2016 California Plumbing and 2016 Green Building Standards Codes, Parts 5 and 11, Title 24, California Code of Regulations (PDF)
Information Bulletin 2019-01 (SHL, RT, MP, MH) – 2018 Legislative Changes (PDF)
Information Bulletin 2018-05 (SHL, FBH, CM) – Emergency Housing - Permanent Adoption of Emergency Regulations Effective December 7, 2018 for 2016 California Building Code and 2016 California Residential Code (PDF)
Information Bulletin 2018-02 (SHL, FBH, CM) – 2016 California Building Standards Code SUPPLEMENT, Effective July 1, 2018, Information for Factory-Built Housing, Commercial Modulars, and Special Purpose Commercial Modulars (PDF)
Information Bulletin 2018-01 (SHL, MH, FBH) – Emergency Housing – Adoption of Emergency Regulations, Effective April 18, 2018 (PDF)

Information Bulletin 2018-01 (SHL, MH, FBH) – Supplement - Emergency Housing – Adoption of Emergency Regulations, Effective through January 14, 2019 (PDF)

Information Bulletin 2017-05 (SHL, RT, MP) – 2017 Legislative Changes (PDF)
Information Bulletin 2017-03 (SHL, RT, EH) – 2016 Legislative Changes (PDF)
Information Bulletin 2017-01 (SHL, FBH) – Emergency Building Standards for Immediate Enforcement – Exterior Elevated Elements (PDF)

Information Bulletin 2017-01 (SHL, FBH) – Supplement – Exterior Elevated Elements, Readoption Effective through October 27, 2017 (PDF)
Information Bulletin 2017-01 (SHL, FBH) – Second Supplement – Exterior Elevated Elements, Second Readoption Effective through January 26, 2018 (PDF)
Information Bulletin 2017-01 (SHL, FBH) – Third Supplement – Exterior Elevated Elements, Permanent Adoption of Emergency Regulations, Effective December 13, 2017 (PDF)

Information Bulletin 2016-06 (SHL) – 2016 California Residential Code (CRC) – Change to dwelling unit requirements for minimum floor area, and current rulemaking cycle proposal to repeal efficiency dwelling unit requirements from the 2016 CRC (PDF)
Information Bulletin 2016-03 (SHL) – Statutory Filing Requirements – Local Ordinances and Regulations (PDF)
Information Bulletin 2016-01 (MH, FBH, SHL, MP/SOP, RT, OL) – Tiny Homes (PDF)
- Revised May 9, 2016
Information Bulletin 2015-06 (MP, MH, OL, RT, SHL) - 2015 Legislative Changes (PDF)
Information Bulletin 2015-04 (SHL, FBH) - 2013 California Building Standards Code SUPPLEMENT, Effective July 1, 2015, Information for Factory-Built Housing Commercial Modulars, and Special Purpose Commercial Modulars (PDF)
Information Bulletin 2015-03 (SHL, FBH) - Emergency Regulations Effective June 1, 2015, Outdoor Potable Water Reduction, 2013 California Green Building Standards (CALGreen) Code (PDF)
Information Bulletin 2014-02 (MP, GEN, SHL) – 2014 Legislative Changes (PDF)
Information Bulletin 2013-07 (SHL) – Senate Bill 407 (Padilla, Chapter 587, Statutes of 2009) Water Conservation (PDF)
Information Bulletin 2013-05 (SHL, FBH, MH) – 2013 California Building Standards Code Effective Date Factory-built Housing, Commercial Modular, and Special Purpose Commercial Modular Information (PDF)
Information Bulletin 2012-07 (SHL, FBH) - 2012 Legislative Changes (PDF)
Information Bulletin 2011-01 (SHL) – 2010 Legislative Changes (PDF)
Information Bulletin 2010-03 (SHL, FBH, MP/SOP) – 2010 California Building Standards Code Effective Date, and Guide to CALGreen (PDF)
Information Bulletin 2009-06 (SHL, MP/SOP) – 2009 Legislative Changes (PDF)
Information Bulletin 2009-01 (SHL, OL, FBH, MH, MP/SOP) – 2008 Legislative Changes (PDF)
Information Bulletin 2008-11 (MH, FHB, MP-SOP, SHL) — To inform affected parties of the change in process regarding disbursement of recall. (PDF)
Information Bulletin 2008-02 (SHL, FBH) — 2007 Legislative Changes (PDF)
Information Bulletin 2007-04 — 2007 California Building Standards Code Effective Date, International Residential Code (IRC) Information Update, Factory-Built Housing (FBH) Procedures (PDF)
Information Bulletin 2007-02 — Model Universal Design Checklist (PDF)
Information Bulletin 2007-01 — Final EIR for unrestricted use of chlorinated polyvinyl chloride (CPVC) plastic plumbing pipe. (PDF)
Information Bulletin 06-09 — 2006 Legislative Changes (PDF)
Information Bulletin 05-16 — 2005 Legislative Changes (PDF)
Information Bulletin 05-13 — Universal Design: New Model Local Ordinance Availability and New Builder Checklist Requirement (PDF)
Information Bulletin 05-12 — Recall of Water Heater Gas Control Valves (PDF)
Information Bulletin 05-11 — Factory-Built Housing - Handbook for City and County Building Officials (PDF)
Information Bulletin 05-09 — Corrugated Stainless Steel Tubing (CSST) – Gas Piping Material (PDF)
Information Bulletin 05-08 — Electrical Service Drops and Metering Equipment (PDF)
Information Bulletin 05-07 — Building Standards for the Implementation of Senate (SB) 1025 (Accessibility of Multistory Dwelling Units) (PDF)
Information Bulletin 05-06 — 2004 Legislative Changes (PDF)
Information Bulletin 05-03 — Revised Effective Date of the 2004 California Electrical Code (CEC) (PDF)
Information Bulletin 05-02 — Automatic Gas Shutoff Devices (PDF)
Information Bulletin 05-01 — Effective Date of the 2004 California Electrical Code (PDF)
Information Bulletin 04-06 — Arc-Fault Circuit Breaker (AFCI) Recall (PDF)
Information Bulletin 03-09 — 2003 Legislative Changes (PDF)
Information Bulletin 03-05 — Enforcing Lead-Based Paint/Lead Hazards After Senate Bill 460 (PDF)
Information Bulletin 03-04 — 2002 Legislative Changes (PDF)
Information Bulletin 02-11 — 2001 California Building Standards Code Effective Date (PDF)
Information Bulletin 02-10 — Guardrail Heights – Interpretation of Title 24, Part 2, California Building Code, Section 509.2 - Exception: 1 (PDF)
Information Bulletin 02-09 — Fire Safety Risk Posed by Recalled Furnaces (PDF)
Information Bulletin 02-06 — Housing Construction Codes – A Handbook for Local Government (PDF)
Information Bulletin 02-02 — 2001 Legislative Changes (PDF)
Information Bulletin 01-02 — 2000 Legislative Changes (PDF)
Information Bulletin 00-05 — November 2000 Changes to The California Plumbing Code Concerning Use of Chlorinated Polyvinyl Chloride (CPVC) Pipe (PDF)
Information Bulletin 00-04 — Emergency Standards for Earthquake Actuated Automatic Gas Shutoff Systems and Residential Excess Flow Actuated Automatic Gas Shutoff Valves (PDF)
Information Bulletin 98-01 (EH-SHL-MP-FBH) – 1997 Legislative Changes (PDF)