City of Costa Mesa
Home MenuBuilding Plan Requirements
- Building Plan Requirements for Accessory Dwelling Units (ADU's and Jr. ADU's)
- Building Plan Requirements for Attached Patio Covers
- Building Plan Requirements for Commercial/Residential Grading And On-Site Improvements
- Building Plan Requirements for Commercial/Residential Demolition
- Building Plan Requirements for New Commercial and Industrial Buildings (Interior Tenant Improvement/ Addition
- Building Plan Requirements for New Residential Buildings
- Building Plan Requirements for Residential Additions and Alterations
- Building Plan Requirements for Tenant Improvements at South Coast Plaza
- Electrical Plan Requirements for Commercial and Industrial Buildings
- EV Charger Eligibility Checklist - Multi-Family and Non-Residential
- Permit Processing Center Information/Construction Application
- Pool and Spa Requirements
- Requirements to Abandon In-ground Swimming Pools
- Residential Bathroom Remodel
- Residential Kitchen Remodel
- Residential Electric Vehicle Charging Station - over the counter plan review