Cool Roof Requirements: Santa Monica vs South San Gabriel
How do cool roof requirements rules compare between Santa Monica, CA and South San Gabriel, CA?
Santa Monica and South San Gabriel have similar restriction levels.
Santa Monica, CA
Los Angeles County
LA County Code Title 31 Green Building Standards and Title 26 Building Code adopt CALGreen Title 24 Part 11 baseline requiring cool roofing on new construction and major reroofs in unincorporated areas. Reflective materials must meet minimum solar reflectance and thermal emittance ratings.
View full Santa Monica rules →South San Gabriel, CA
Los Angeles County
LA County Code Title 31 Green Building Standards and Title 26 Building Code adopt CALGreen Title 24 Part 11 baseline requiring cool roofing on new construction and major reroofs in unincorporated areas. Reflective materials must meet minimum solar reflectance and thermal emittance ratings.
View full South San Gabriel rules →Key Facts Comparison
| Fact | Santa Monica | South San Gabriel |
|---|---|---|
| County citations | Title 31 and Title 26 | Title 31 and Title 26 |
| State baseline | CALGreen Title 24 Part 11 | CALGreen Title 24 Part 11 |
| Low-slope reflectance | 0.55 aged minimum | 0.55 aged minimum |
| Steep-slope reflectance | 0.20 aged in zones 9-16 | 0.20 aged in zones 9-16 |
| Enforcement | LA County Building and Safety | LA County Building and Safety |
Highlighted rows indicate differences between cities.
Santa Monica FAQ
Do I need a cool roof when I patch my existing roof?
Repairs of less than 50% of total roof area are exempt. Reroof projects exceeding that threshold trigger Title 24 cool-roof requirements with specific aged reflectance and emittance values matched to slope and climate zone.
Can I get a rebate for a cool roof?
Yes. SoCalGas, SCE, and LADWP for service-area customers, plus CRRC-rated material rebates from manufacturers, can offset costs. Check Energy Upgrade California listings for current cool-roof and heat-pump combined incentives.
South San Gabriel FAQ
Do I need a cool roof when I patch my existing roof?
Repairs of less than 50% of total roof area are exempt. Reroof projects exceeding that threshold trigger Title 24 cool-roof requirements with specific aged reflectance and emittance values matched to slope and climate zone.
Can I get a rebate for a cool roof?
Yes. SoCalGas, SCE, and LADWP for service-area customers, plus CRRC-rated material rebates from manufacturers, can offset costs. Check Energy Upgrade California listings for current cool-roof and heat-pump combined incentives.
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