Building Permits in Fontana, CA

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

109 Permit Rules
28 Project Types
$25 – $7,500 Permit Fee Range
IRC 2024 Building Code
1 Lookups (90 days)

Key Exemptions in Fontana

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

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

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 does not require a permit.

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

Get a personalized answer

Our lookup tool asks a few questions about your specific project to give you the most accurate answer.

Check Your Project → See Fontana permit costs

Fontana Building Department

NameBuilding & Safety Department
Address8353 Sierra Avenue, 1st Floor, Fontana, CA 92335
HoursMon-Thu 8am-5pm; Fri closed
Disclaimer: Always confirm with your local building department before starting your project. PermitMint provides general guidance, not legal advice.