The Manufactured Housing Program
Important Information
- Manufactured Housing Fire-Life Safety Regulations – Carbon Monoxide Alarm Systems – (Adobe PDF) or (Microsoft Word)
- California Residential Code / California Code of Regulations / T24, Part 2.5 / Section R315 – (Adobe PDF)
- Protect Yourself and Your Family From the Dangers of Carbon Monoxide Poisoning – (Adobe PDF)
- Info Sheet on Mold and Water Damage – (Adobe PDF)
The Manufactured Housing Program offers information on the following subject items:
- Commercial Modulars & Special-Purpose Commercial Modulars
- Manufactured Home & Mobilehome Alterations
- Manufactured Housing Fire Sprinkler Systems
- Third-Party Agencies
- Manufactured Housing Construction Defect Complaint Oversight
- Program Laws & Regulations
About The Manufactured Housing Program
Program Description
Program History
Program Laws and Regulations (Updated 4/1/2013)
State Administrative Agency
Insignia of Approval Issuance and Replacement
Replacement Insignia Process
Insignia Inspection
Insignia Approval
Third Party Agency Information
Third Parties
Third-Party Certifications
Third-Party Agency Monthly Reporting Procedure — (Adobe PDF)
Inspector Certifications of Approval
Code Matrix — (Adobe PDF) (Revised 5/2013)
List of Third-Party Agencies — (Adobe PDF) (Revised 06/04/2012)
Form – Notice of Third Party Contract — (Adobe PDF)
Information Bulletins, Booklets and Publications:
Information Bulletins
Informational Booklet
Information on Manufactured Home Construction and Sales — (Adobe PDF)
Guide to Affordable Manufactured Housing Best Practices — (Adobe PDF)
HUD Manufactured Home Manufacturer Responsibilities for Consumer Complaint Handling and Remedial Actions — (Adobe PDF)
HUD Manufactured Home Retailer and Distributor Responsibilities Under the Federal Manufactured Housing Program — (Adobe PDF)
Distinguishing a Park Trailer From a Manufactured Home — (Adobe PDF)
Commercial Modular/Special-Purpose Commercial Modular Information
Approved Regulations
Manufactured Housing Construction Standards Update for Commercial Modulars and Special Purpose Commercial Modulars – (Adobe PDF) or (Microsoft Word) (Effective Date: 03/31/2012)
Summary of Changes to Commercial Modular and Special Purpose Commercial Modular Regulations / Information Bulletin 2011-06 – (Adobe PDF)
Commercial Modular (CM) and Special Purpose Commercial Modular Amended Design and Construction Standards FAQs / Information Bulletin 2012-01 – (Adobe PDF)
Building Standards Commission – CALGreen Resources
Manufactured Housing/Multifamily Manufactured Homes
Approved Regulations
Manufactured Housing Regulations – EFFECTIVE 4/1/2013
Chapter 3, Sections 4011, 4040, 4041.5, and 4050; Recently Amended and Adopted Sections – (Adobe PDF) or (Microsoft Word)
Manufactured Housing Fire-Life Safety
Chapter 3, Subchapter 2; Recently Amended and Adopted Sections – (Adobe PDF) or (Microsoft Word)
California Residential Code / California Code of Regulations / T24, Part 2.5 / Section R315 – (Adobe PDF)
Information Bulletin 2012-03 (MH) – Carbon Monoxide Device Installation in New & Used Manufactured Homes; Amended Ignition Resistant Construction Rules – (Adobe PDF)
Fire Sprinkler System Information:
Manufactured Home, Mobilehome and Multifamily Manufactured Homes – Fire Sprinkler Systems Regulations
Summary of Changes to Fire Sprinkler Systems Regulations / Information Bulletin 2011-03 — (Adobe PDF)
Manufactured Home Fire Sprinkler Systems: CCR, Title 25, Article 2.5 – (Adobe PDF) or (Microsoft Word)
Alternate Approval: Fire Sprinkler Waterflow Alarm — (Adobe PDF)
California State Fire Marshal Information Bulletin: National Fire Protection Association (NFPA) Interim Safety Alert Regarding Antifreeze in Residential Sprinklers – (Adobe PDF)
National Fire Protection Association (NFPA): Updated Safety Alert Regarding Antifreeze in Residential Sprinkler Systems (August 18, 2010) – (Adobe PDF)
Manufactured Home Fire Sprinkler Systems
Wildland-Urban Interface (WUI) Areas: Standards, Regulations, and Information
Manufactured Home, Mobilehome Alteration and Permit Requirements:
Alteration and Permit Guidelines — (Adobe PDF)
415 – Manufactured Housing Permit Application — (Adobe PDF)
Additional Manufactured Housing Program Forms & Consumer Information:
About the Federal Manufactured Housing Dispute Resolution Program
Information Bulletin – (Adobe PDF)
Product Safety Recalls
CPSC Appliance and Material Recalls
General Information
Alteration Plan Approval and Inspection
Manufactured Home Recovery Fund
Manufactured Home and Mobilehome Fireplace and Fireplace Stove FAQs — (Adobe PDF)
Validity of Local Ordinances to Mobilehome Park Conversions and the Installation of Manufactured Homes — (Adobe PDF)
How to Report to HCD the Installation of Manufactured Homes, Mobilehomes, and Multifamily Manufactured Homes:
- By an HCD Licensed Dealer to an Owner-builder Installed on a Foundation System
- By an Owner-builder onto a Foundation System
- Procedures for Cancellation of the Title and Registration of a used Manufactured Home, Mobilehome, or Multifamily Manufactured Home Currently on a Foundation [HSC 18551(a)]
Responsibilities of a Manufacturer, Dealer or Local Enforcement Agency During the Sale and Installation of:
- Manufactured Homes Installed on a Foundation System as an Improvement to Real Property [HSC 18551(a)]
- Manufactured Homes Installed on Pier/Pad or on a Foundation System as Chattel [HSC 18551(b) or 18613]
Manufactured Housing: Federal Preemptive Authority
Federal Law: 42 USCS Sec 604(d) Supremacy of Federal Standards — (Adobe PDF)
Federal Preemption of CA Lead-Free Plumbing Standards — (Adobe PDF)
Permission to Establish MH Standards for Fire Sprinklers — (Adobe PDF)
Permission to Establish MH Ignition Resistant Standards — (Adobe PDF)
Permission to Establish MH Standards for Seismic Bracing of Water Heaters — (Adobe PDF)
FAQ's:
Questions about 433 A, B, C forms — (Adobe PDF)
Example of Registration Decal — (Adobe PDF)
Example of Insignia — (Adobe PDF)
Example of HUD Certification Label — (Adobe PDF)
Forms:
415 - Manufactured Housing Permit Application — (Adobe PDF)
416 - Application for Replacement Insignia
416 - Application for Replacement Insignia (Spanish) — (Adobe PDF)
425 - Insignia Affix Instructions — (Adobe PDF)
425 - Insignia Affix Instructions (Spanish) — (Adobe PDF)
433A - Notice of MH, CM Installation on a Foundation System (HSC 18551) — (Adobe PDF)
433B - Notice to Accessor — (Adobe PDF)
433C -Notice of MH Conversion Fixture Improvements to Real Property — (Adobe PDF)
440 - Request for Insignia by QAA — (Adobe PDF)
604 - Manufactured Home Alterations and Permit Guidelines — (Adobe PDF)
Consumer Sites:
My Great Home
Consumers Union Manufactured Home Buying Guide and Consumer Tips
Grissim Guides to Manufactured Homes and Land
Industry Sites/Additional Resources:
California Manufactured Housing Institute (CMHI)
Modular Building Institute (MBI)
Replacement HUD Label

Consumer Alert! Manufactured Home Buyers — Beware of Internet Sales and Out of State Sellers! — (Adobe PDF)

