Westminster, CA
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Upcoming Building Code Changes – Effective January 1, 2026
The 2025 California Building Standards Code takes effect January 1, 2026. Permit applications must be submitted by Dec. 22, 2025 to remain under the 2022 Code.
Building Codes
- 2022 California Building Code
- 2022 California Residential Code
- 2022 California Electrical Code
- 2022 California Mechanical Code
- 2022 California Plumbing Code
- 2022 California Fire Code
- 2022 California Green Building Standards Code
Local Amendments
For a complete list of adopted codes and City amendments to the State codes, please refer to the Westminster Municipal Code Title 15 Buildings and Construction.
The Codes are available for review at the City Hall. Please contact Building Division at (714) 548-3254.
The Codes can be purchased from Model Code Publishing bodies such as the International Code Council (ICC).
Standard Guidelines
Address Request Form- Asbestos Handout
- Block Wall Agreement
- Block Wall Details
- Commercial Construction Inspection Checklist
- Commercial Plan-Check List, 2022 Codes
- Disability Access Requirements and Resources (AB 3002)
- Expedite Plancheck Form
- Firepit-BBQ
- Hardship with Valuation Exceeding Threshold 2023
- Hardship with Valuation Not Exceeding Threshold 2023
- HVAC Requirements
- Kitchen, Bath and Laundry Remodel Requirements, CRC 2022
- Patio Cover
- Patio Enclosure Requirement
- Pilaster Detail
- Recycling of Construction and Demolition Waste
- Reroofing guidelines
- Residential Construction Inspection Checklist
- Residential Plan-Check List & Submittal Guide, CRC 2022
- Smoke and Carbon Monoxide Alarm Installation Form
- Soils Investigation Report
- Special Inspector Registration Form
- storage_racks_plan_check_submittal_requirements
- SubContractor Listing
- Swimming pool and Spa Demolition
- Swimming Pool and Spa Requirement
- Temp Certificate of Occupancy
- Temporary Special Event permit
- TI Submittal Requirement
- Water Meter Sizing Worksheet 2022
- Window Replacement Policy
- wood fence
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