To perform any work on your mobilehome, manufactured home, commercial modular, special purpose commercial modular or multifamily manufactured home, you must submit an application for permit (form HCD MH 415) (PDF).
HCD must review and approve plans and specifications for alterations or conversions. HCD employees perform on-site inspections of alterations and conversions to the structural, fire safety, plumbing, mechanical, and electrical systems of regulated units.
View the Manufactured Homes Alterations and Permit Guidelines for more information.
- Manufactured Homes Alterations and Permit Guidelines - English (PDF)
- Manufactured Homes Alterations and Permit Guidelines - Spanish (PDF)
Submit the Application
Online
Alteration permit applications can be submitted using Codes and Standards Online Services (C&S OS). Please login or create an account.
By Mail or Email
Form HCD MH 415 (PDF) can be submitted to HCD by mail or email to the appropriate HCD Area Office:
| Northern Area Office 9342 Tech Center Dr., Suite 550 Sacramento, CA 95826 NAOStaff@hcd.ca.gov | Southern Area Office 3737 Main St., Suite 400 Riverside, CA 92501 SAOStaff@hcd.ca.gov |
Exception: HCD does not accept large format plans via email. These plans must be submitted by mail or in person.
Payment and Fees
When submitted to HCD, the completed application must be accompanied by the appropriate fees. Payment must be in the form of a check or money order payable to the Department of Housing and Community Development. Payments can also be submitted through HCD’s C&S Online Services.
Please note: you must have a DTN and a zip code to make a payment online. This information can be obtained by contacting the appropriate Area Office at (800) 952-8356 or email NAOstaff@hcd.ca.gov or SAOstaff@hcd.ca.gov.