How Much Does a Building Permit Cost in Los Angeles, CA? (2026 Guide)
Los Angeles has some of the highest building permit costs in the country. Between plan check fees, development impact fees, school fees, and California's energy code surcharges, permit costs in LA can easily reach five figures for even modest projects. Here's what contractors and builders need to know for 2026.
LA Building Permit Costs at a Glance
Los Angeles permit fees were updated in February 2026 under Ordinance No. 188,796, so make sure any estimates you've seen are current.
Residential permit costs:
- Range from $10,000 to $50,000+ depending on project location and type
- Includes both the Plan Check Fee (city's design review) and the Permit Issuance Fee
- ADUs under 750 sq ft may qualify for fee exemptions under SB 543
Commercial permit costs:
- Base fee starts at 0.5% of the first $50,000 in construction valuation, with decreasing rates for higher valuations
- Plan check fee: 85% of the base permit fee (paid separately)
- MEP permits: $150–$1,500
- Fire safety system permits (sprinklers, alarms): $500–$5,000
- Traffic impact studies for large developments: $5,000–$30,000
California-specific surcharges that add up fast:
- Title 24 Energy Code compliance: 10% permit fee increase
- Disabled access and adaptability (Title 24): 5% permit fee increase
- School development fees: approximately $0.66 per square foot
- California Solar Mandate: can add $8,000–$12,000 to residential projects
Where to Apply for a Building Permit in LA
Permits in the City of Los Angeles go through the Los Angeles Department of Building and Safety (LADBS). Unincorporated areas fall under LA County Building and Safety.
- Online portals: ePlanLA or PermitLA (requires an Angeleno account)
- Contact: 311 or the LADBS customer call center
- Fee calculator: Available on the LADBS website — use this before bidding any project
How Long Does It Take to Get a Building Permit in LA?
This is where LA's reputation earns itself. Processing times are significantly longer than most cities:
- Standard projects: 4–8 months is typical
- Room additions and second-story additions: Longer due to structural review requirements
- Pre-approved ADU plans: 30–60 days (a major improvement thanks to SB 543)
Special Requirements to Know About
Fire zones: Properties in Very High Fire Hazard Severity Zones face additional requirements for fire-resistant materials, defensible space, and enhanced building standards.
ADU rules (2026): California has significantly streamlined ADU permitting. Units under 750 sq ft get fee exemptions, and units under 500 sq ft get additional benefits under SB 543.