B
HomeLibrariesCode AISearchProjectsBookmarksAddress
FeedbackHelp Desk
Libraries
Code LibraryDiagramsAssembliesProductsCalculatorsChecklistsCSI MasterFormat SpecificationsPermitsAddress ReportDOT SpecsModel CodesTransportationRailroadFire SafetyAccessibilityStructuralTransit SpecsUSACE
Other Jurisdictions
Transportation
MUTCDFHWA FP-14
Accessibility
ADA StandardsPROWAG
PricingLog in
Home / California Permits / Mission Viejo

Building Permits in Mission Viejo, California

City in Orange County
Verified August 2026

Adopted Construction Codes

These are the state-level code editions for California. They apply in Mission Viejounless a verified local adoption or amendment is noted — in local-adoption states, confirm the city or county's own code editions with the building department.

CodeEditionAdoption
CBC — 2024California Building Code, 24 CCR Part 2, based on the 2024 International Building Code. Adopted in the 2024 Triennial Code Adoption Cycle by the California Building Standards Commission; 2025 edition effective 1/1/2026. · source ↗
CEBC — 2024California Existing Building Code, 24 CCR Part 10, based on the 2024 International Existing Building Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CEC — 2023California Electrical Code, 24 CCR Part 3, based on the 2023 National Electrical Code (NFPA 70). Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CFC — 2024California Fire Code, 24 CCR Part 9, based on the 2024 International Fire Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CMC — 2024California Mechanical Code, 24 CCR Part 4, based on the 2024 Uniform Mechanical Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CPC — 2024California Plumbing Code, 24 CCR Part 5, based on the 2024 Uniform Plumbing Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
CRC — 2024California Residential Code, 24 CCR Part 2.5, based on the 2024 International Residential Code. Adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗
Energy — 2025California Energy Code, 24 CCR Part 6. Developed by the California Energy Commission and adopted in the 2024 Triennial Code Adoption Cycle; 2025 edition effective 1/1/2026. · source ↗

Permit Requirements

building permit
Fees, required documents and the inspection sequence is available to BuildSpec members. Sign inStart free 14-day trial

Building Department

Building department website ↗

Apply online — Mission Viejo permit portal ↗

Permit fee schedule ↗ · fee schedule checked August 2026

Fees are based on fully burdened hourly rates per a 2022 citywide user fee study.

Ask BuildSpec AI about Mission Viejo

Get a plain-English answer grounded in this page’s verified data — e.g. “Do I need a permit for a 180 sq ft shed in Mission Viejo?”

Ask Code AI →
Have a specific address?

Get a printable permit report for any address — jurisdiction, adopted codes, exemption rules, and who to call, on one page.

Get an Address Report →

Related on BuildSpec

California adopted codes →California DOT specifications →Code calculators →