Manufactured Home Permit Guidelines - City vs. HCD

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The table below is designed to assist the public in determining when permits are required from the City of Carlsbad, the Department of Housing and Community Development (HCD) or both. Please refer to HCD Manufactured Home Alterations and Permit Guidelines (HCD MH 604) for an extensive list of alterations to the mobile home or manufactured home that require a permit from HCD. This list is meant to assist with the clarification of overlapping permits between the City and HCD. Please note that construction not requiring a permit must be constructed in a workmanlike manner, not present a hazard and be built to the relevant code(s).

Construction / Alteration	City Permit	Comments	HCD Permit	Comments
Fence	No	Can be no higher than 6 feet and must meet provisions of CCR Title 25 section 1514.	No
Storage Cabinets (Sheds)	No	Combined floor area of all sheds cannot exceed 120 square feet and must meet provisions of CCR Title 25 section 1510.	No
Ramps	Yes	Must be designed and constructed in accordance with theCA Residential Code.	No
Stairways & Handrails	No	Must be designed and constructed in accordance with CCR Title 25 sections1498&1504. Please refer to thestairway, landing & handrail handoutfor further detail and clarification on these requirements.	No
Porches, Decks & Landings	Yes	Any raised surface over 8 inches high and more than 12 square feet in area requires a permit per CCR Title 25 section 1498& 1002 Definitions “Patio”).	No
Guardrails	No	Required around perimeter of a surface more than 30 inches above grade.	No
Ramada	Yes	Freestanding structure that must be designed in accordance withCCR Title 25 section 1486.	No
Enclosed Awning	Yes	Must be designed and constructed in accordance withCCR Title 25 section 1474.	Yes	Permit may be required from HCD as well as the City if any utilities are run from the unit to the enclosure
Awning / Carport	Yes	Must be designed and constructed in accordance withCCR Title 25 section 1468.	Yes	Permit may be required from HCD as well as the City if a HCD approved plan is not used. The permit from HCD will review the attachment of the structure to the unit.
Cabana	Yes	Must be designed and constructed in accordance with1444 .	Yes	Permit will be required from HCD as well as the City for any structural changes to the unit (new doorways, removal of windows, etc.) as well as any alteration to the utilities from the unit to the cabana.
Private Garages & Storage Buildings	Yes	Permit required if structure will be more than 120 square feet and cannot be attached to the unit.	No
Plumbing	Yes	Permit required from the City for any alterations to the lot service equipment or park utilities.	Yes	Permit required from HCD when an alteration is made to the plumbing of the unit. Refer to HCD MH 604 for additional information.
Electrical	Yes	Permit required from the City for any alterations to the lot service equipment or park utilities.	Yes	Permit required from HCD when an alteration is made to the electrical of the unit. Refer to HCD MH 604 for additional information.
Re-Roof of Unit	No	This requires alteration to the unit; therefore, a HCD permit is required.	Yes	A re-roof is an alteration to the unit and may require a permit from HCD. Refer to HCD MH 604 for additional information.
Install Air Conditioning	Yes	Permit required from City if electrical supply to A/C is from lot service equipment.	Yes	Permit required for installation of ventilation and also for alteration to electrical system of the unit. Refer to HCD MH 604 for additional information.
Water Heater	Yes	Permit required from the City only if any of the connections are made from the lot service equipment.	Yes	Permit required from HCD for installation or replacement of water heater, even when connections are from the lot service equipment.