Chula Vista ADU Regulations & Zoning

Chula Vista offers 12 pre approved City Standard ADU plans (developed with SnapADU) ranging from 498 sq ft to 1,199 sq ft, with multiple layouts and flipped/reverse floor plans for 1- to 3-bedroom options. These plans deliver faster approval, lower fees, and design certainty.

• Energy calculations provided for climate zones 7 & 10
• Submit with Hold Harmless Agreement and Affidavit
• Approximately $1,000 savings in plan review fees

DIF fees for a Chula Vista ADU are fully exempt if the unit is less than 750 square feet. For Chula Vista ADUs 750 square feet or larger, fees are charged proportionately to the primary residence on a square footage basis.

• Estimates provided during plan check (final amount calculated at payment)
• Fees indexed annually on October 1st
• Most can be deferred until final inspection (except Traffic Signal fees)

In Chula Vista, a detached ADU can be up to 1,200 square feet. An attached or converted ADU can be the greater of 800 square feet or 50% of the primary dwelling’s living area. A JADU is limited to 500 square feet.

No. Chula Vista ADU regulations do not require any parking for ADUs or JADUs, including new construction and garage conversions.

Chula Vista reviews applications using pre approved City Standard ADU plans in only 14 business days, compared to up to 21 business days for custom plans.

Yes. Garage conversions are permitted as converted ADUs in Chula Vista with no additional height limit beyond the primary structure and no parking requirement.

No owner-occupancy is required for standard Chula Vista ADUs. JADUs require owner-occupancy of the primary residence with a recorded deed restriction.

Using Chula Vista’s pre approved City Standard ADU plans provides 14-day review (vs. 21 days), approximately $1,000 in plan review fee savings, and guaranteed compliance with California Building Code and city guidelines.

A Junior Accessory Dwelling Unit (JADU) in Chula Vista is a unit up to 500 sq ft created inside an existing single-family home. It requires an interior connection, an efficiency kitchen, and owner-occupancy with a deed restriction.

Yes. Chula Vista allows up to eight detached new-construction ADUs on multifamily lots (not exceeding the number of existing units) and conversions of non-habitable space up to 25% of existing units. No parking or matching architecture required.

Building a Chula Vista ADU includes building permit fees (lower with standard plans), possible proportional DIF for units 750+ sq ft, school fees for ADUs 500+ sq ft, and utility charges. Refer to the city’s current Fee Bulletin for exact amounts.

Yes. Two-story ADUs are allowed in Chula Vista as long as the total height stays within the 16–20 foot limit for detached units (depending on transit proximity and roof matching).

The official Chula Vista ADU checklist, Hold Harmless Agreement, Affidavit, Submittal Guide, and all required forms are available for free download directly on the city’s Accessory Dwelling Units webpage.

Yes. Chula Vista ADUs can be rented as long-term housing. Note that units without kitchens (guest houses) are limited to short-term use of up to 90 days and cannot be rented.

Contact the City of Chula Vista Development Services Department at DSD@chulavistaca.gov or (619) 476-2332 for assistance with Chula Vista ADU regulations, pre approved plans, DIF fees, or the permit process.