Costa Mesa is a coastal-adjacent Orange County city with active residential and multifamily development.
Costa Mesa sits near the coastal edge of Climate Zone 8. Some projects near the coast may fall in Zone 6 — always verify your exact zone using the CEC ZIP lookup tool before ordering.
Costa Mesa permits are reviewed by the Costa Mesa Building Division. We format every report for Costa Mesa plan check.
We prepare Title 24 reports for all project types in Costa Mesa:
- New single-family home construction
- Room additions of any size
- ADUs and Junior ADUs including garage conversions
- Remodels and alterations affecting insulation, windows, or mechanical systems
- Multifamily duplexes, triplexes, and fourplexes
- HVAC replacement projects
- Window replacement projects
We also serve all surrounding Orange County communities and cities throughout California.
