Application for Alteration Permit

application for permit (form HCD MH 415) (PDF).

Note: Form HCD MH 415 can be submitted to the Department via email to:

Exception: HCD does not accept large format plans via email. These plans must be submitted by mail or in person. 

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 the Department’s online fee-payment system.

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 or

The Department must review and approve plans and specifications for the alteration or conversion of manufactured homes, multifamily manufactured homes, commercial modulars, and special purpose commercial modulars.  Department employees perform on-site inspections of alterations and conversions to the structural, fire safety, plumbing, mechanical, and electrical systems of regulated units. 

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