Room Addition Permit Requirements in Daly City, CA
Daly City is a city of 102,560 residents in California that follows the 2022 CBC building code. Whether you need a building permit for your Room Addition project depends on the scope of work — here's what Daly City's building department requires.
When you DO need a permit
Room additions require a building permit.
Estimated fee: $270 – $900
Typical timeline: About 3 weeks
Source: City of Daly City Code / 2022 CBC
Room additions over 200 sq ft require full plans.
Estimated fee: $450 – $2,700
Typical timeline: About 4 weeks
Source: City of Daly City Code / 2022 CBC
Second-story additions require structural engineering.
Estimated fee: $720 – $4,500
Typical timeline: About 5 weeks
Source: City of Daly City Code / 2022 CBC
Room additions typically require zoning review for setbacks, height limits, and lot coverage. Your addition must comply with your zoning district's building envelope requirements.
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Frequently Asked Questions
Estimated permit fees for Room Addition projects in Daly City, CA range from $270 – $900. Fees vary based on project scope and valuation.
It depends on the specifics of your project. Some smaller Room Addition 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 Daly City 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 Room Addition permits in Daly City is About 3 weeks. More complex projects may take longer if plan review is required.
Learn More About Room Addition Permits
Read our complete guide covering permit requirements, costs, common exemptions, and the application process.
Read Room Addition Guide →