Cool Roof Requirements: Midway City vs Mission Viejo
How do cool roof requirements rules compare between Midway City, CA and Mission Viejo, CA?
Midway City and Mission Viejo have similar restriction levels.
Midway City, CA
Orange County
California Title 24 Part 6 energy standards require cool roof reflectivity for most new and replacement low-slope roofs in Orange County's climate zones 6, 8, and 10, covering all cities and unincorporated areas.
View full Midway City rules →Mission Viejo, CA
Orange County
California Title 24 Part 6 energy standards require cool roof reflectivity for most new and replacement low-slope roofs in Orange County's climate zones 6, 8, and 10, covering all cities and unincorporated areas.
View full Mission Viejo rules →Key Facts Comparison
| Fact | Midway City | Mission Viejo |
|---|---|---|
| Code | CA Title 24 Part 6 | CA Title 24 Part 6 |
| OC zones | 6, 8, 10 | 6, 8, 10 |
| Trigger | 50% roof replacement | 50% roof replacement |
| Certification | CRRC rated product | CRRC rated product |
Highlighted rows indicate differences between cities.
Midway City FAQ
Does my asphalt shingle roof need to be reflective?
Steep-slope residential requirements vary by climate zone. Many zones allow standard shingles; check the current Title 24 prescriptive table or use a performance compliance path.
Are minor roof repairs covered?
Repairs under 50 percent of the roof area generally do not trigger Title 24 cool roof requirements, but local jurisdictions may apply stricter rules.
Mission Viejo FAQ
Does my asphalt shingle roof need to be reflective?
Steep-slope residential requirements vary by climate zone. Many zones allow standard shingles; check the current Title 24 prescriptive table or use a performance compliance path.
Are minor roof repairs covered?
Repairs under 50 percent of the roof area generally do not trigger Title 24 cool roof requirements, but local jurisdictions may apply stricter rules.
Compare other topics
See how Midway City and Mission Viejo compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool