Building Permits in Sunnyvale, CA

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

59 Permit Rules

15 Project Types

$55 – $5,500 Permit Fee Range

IRC 2022 CBC Building Code

Key Exemptions in Sunnyvale

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

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

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

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

Backyard fences 6 feet or under do not require a building permit.

Front yard fences 4 feet or under typically do not require a permit but must comply with zoning.

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

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Swimming Pool / Hot Tub

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Sunnyvale Building Department

NamePermit Center

Phone(408) 730-7444

WebsiteVisit website

Address456 W Olive Ave, 2nd Floor, Sunnyvale, CA 94086

HoursMon-Fri 8am-5pm

Nearby Cities in California

Los Angeles Sacramento County San Diego San Jose San Francisco Fresno Sacramento Long Beach

Permit Guides

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

Deck Guide Fence Guide Shed Guide Roof Guide Bathroom Guide Kitchen Guide Pool Guide Electrical Guide Plumbing Guide HVAC Guide Garage Guide Addition Guide Basement Guide

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