Building Permits in Antioch, CA

Check permit requirements for home improvement projects in Antioch. Select a project type below to see local requirements, estimated fees, and how to apply.

103 Permit Rules

28 Project Types

$40 – $7,500 Permit Fee Range →

IRC 2022 CBC Building Code

3 Lookups (90 days)

Key Exemptions in Antioch

These projects typically don't require a building permit in Antioch:

Cosmetic bathroom updates (paint, fixtures, vanity) without electrical changes do not require a permit.

Small at-grade patio slabs under 200 square feet not exceeding 30 inches above adjacent grade are typically exempt from a building permit per California Building Code (CBC) Title 24 / 2022 CRC / City of Antioch Community Development exemptions (IRC R105.2 basis). The slab must not be part of an accessible route or support a structure.

Freestanding decks not more than 30 inches above grade are exempt from a building permit per IRC R105.2.

Replacing an existing driveway in the same footprint with no changes to the curb cut is generally exempt from permit requirements.

Replacing a light fixture or outlet does not require a permit.

See all rules by selecting a project type below, or use our free lookup tool for a personalized answer.

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Get a personalized answer

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Check Your Project → See Antioch permit costs

Antioch Building Department

NameBuilding Services Division

Phone(925) 779-7065

Emailbuilding@antiochca.gov

WebsiteVisit website

Address200 H St, 2nd Floor, Antioch, CA 94509

HoursMon-Thu 8am-4:30pm (closed 12-1pm), Fri by appointment

Nearby Cities in California

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Permit Guides

Read our in-depth guides for common home improvement projects:

Deck Guide Fence Guide Shed Guide Roof Guide Window & Door Guide Bathroom Guide Kitchen Guide Pool Guide Electrical Guide Plumbing Guide HVAC Guide Garage Guide Addition Guide Basement Guide Retaining Wall Guide Solar Guide Patio Guide ADU Guide Driveway Guide Demolition Guide EV Charger Guide Generator Guide Gas Line Guide Water Heater Guide Tree Removal Guide Siding Guide Fireplace Guide Concrete Slab Guide

Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.