Building Permits in Petaluma, CA

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

96 Permit Rules
28 Project Types
$25 – $7,500 Permit Fee Range
IRC 2022 CBC Building Code
3 Lookups (90 days)

Key Exemptions in Petaluma

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

Small at-grade patio slabs under 120 square feet are typically exempt from building permits per IRC R105.2 (extended via local amendment). The slab must be at-grade (not more than 30 inches above adjacent grade) and not part of an accessible route.

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 in an existing location does not require a permit.

Plugging a Level 1 (120V) EV charger into an existing outlet is NOT considered new electrical work and does not require a permit. This is the only permit-free EV charging method, just plug in and charge. Adds approximately 4-5 miles of range per hour.

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Petaluma Building Department

NameBuilding Division
Address11 English Street, Petaluma, CA 94952
HoursMon-Thu 10am-3pm walk-in; Fri closed
Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.