Dedicated Trade Workstation
Audited Q3 2026
Los Angeles County Commercial Mechanical & HVAC Permit Calculator
Official fee schedule logic based on LA County Code Title 26 Building Code Fee Table 1-A. Includes plan review fees, technology surcharges, and prerequisite contractor bond rules.
Direct Answer Engine Specifications (Commercial Mechanical & HVAC) Verifiable Municipal Factsheet
- AHJ Authority
- LA County Dept of Public Works & LADBS
- Enforced Ordinance
- LA County Code Title 26 Building Code Fee Table 1-A
- Plan Check SLA
- 20 - 30 Business Days
- Surety Bond Required
- $25,000
AHJ Verified Workstation
2026 Fee Schedule Enforced
Los Angeles County Commercial Permit Fee Estimator
$
Quick Presets:
📐 Applied Municipal Formula Tier
Tier Valuation Formula: $1,665 base fee + $3.80 per $1,000 above $250,000 valuation.
Itemized Cost Assessment Verified
Base Municipal Permit Fee: $0.00
Plan Review Fee (65%): $0.00
Tech & Admin Surcharge (4%): $0.00
Cost Ratio Breakdown Base 58% | Review 38% | Tech 4%
Total Estimated Cost: $0.00
Mandatory Contractor Prerequisites & Submittal Checklist
Los Angeles County AHJ Requirements Permit Prerequisite Instant Underwriting
Contractor Surety License Bond
Los Angeles County requires an active $25,000 CSLB License & Street Use Bond on file prior to plan submittal.
Insurance Mandate Same-Day COI
Commercial COI Liability ($1M+)
Minimum $1.0M General Liability COI naming Los Angeles County Building Dept as Certificate Holder.
Official AHJ Source Citation
Visit Official AHJ Dot-Gov Site ↗
LA County Dept of Public Works & LADBS Official Building Department
900 S Fremont Ave, Alhambra, CA 91803 | Phone: (626) 458-3173