Bathroom Remodel Permit Requirements in Fontana, CA
2025 CBC (based on 2024 IRC) effective Jan 1, 2026. San Bernardino County. Seismic Design Category D. San Andreas Fault proximity.
When you DON'T need a permit
Cosmetic bathroom updates (paint, fixtures, vanity) without electrical changes do not require a permit.
Source: City of Fontana Code / 2025 CBC
When you DO need a permit
Bathroom work involving electrical changes requires an electrical permit.
Estimated fee: $50 – $150
Typical timeline: About 1 week
Source: City of Fontana Code / 2025 CBC
Bathroom remodels that move plumbing require building and plumbing permits.
Estimated fee: $150 – $500
Typical timeline: About 2 weeks
Source: City of Fontana Code / 2025 CBC
Adding a new bathroom requires building, plumbing, and electrical permits.
Estimated fee: $300 – $1,000
Typical timeline: About 3 weeks
Source: City of Fontana Code / 2025 CBC
Removing or moving walls requires a building permit.
Estimated fee: $200 – $700
Typical timeline: About 2 weeks
Source: City of Fontana Code / 2025 CBC
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Frequently Asked Questions
Estimated permit fees for Bathroom Remodel projects in Fontana, CA range from $50 – $150. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Bathroom Remodel projects may be exempt from permit requirements, while larger ones typically require a permit. Use our free lookup tool to check your specific situation.
Working without a required permit in Fontana can result in fines, stop-work orders, being required to remove completed work, and complications when selling your home. It's always best to check first.
Typical approval time for Bathroom Remodel permits in Fontana is About 1 week. More complex projects may take longer if plan review is required.
Learn More About Bathroom Remodel Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Bathroom Remodel Guide →