Westlake Village is a city whose building permits are handled by LA County. That is worth knowing before any plan is drawn, because the counter and the forms are the County's.

The houses of Westlake Village
Westlake Village's median home was built in 1975 and is valued at 1,331,400 dollars. The city holds 1,704 owner-occupied single-family homes (U.S. Census Bureau, ACS 2020-2024).
Every reroof begins at the deck. We count layers, test boards for softness and note what covers the house now.
Zone 9 values
Westlake Village is in climate zone 9 (California Energy Commission ZIP code table). Zone 9 steep roofs replaced beyond 50 percent are held to SRI 16, or to aged reflectance 0.20 with emittance 0.75 (California Energy Commission, 2022).
Low-slope roofs in the same zone follow the low-slope table, SRI 75 or 0.63 with 0.75 (California Energy Commission, 2022). The listing of the covering shows which it meets.
County Building and Safety
Westlake Village contracts with the County for building and safety services (Los Angeles County Public Works).
Permits for a reroof are pulled through that office. Panels that must come off and return are a separate permit item. For the fire zone, check the address on the CAL FIRE map viewer.
Jobs we handle in Westlake Village
Complete roofs: replacement, tear-off, tile, shingle, metal, flat, cool roof and Class A work, and new roofs on additions.
Westlake Village roofing questions
What climate zone is Westlake Village in, and what changes for a reroof?
Zone 9 (California Energy Commission ZIP code table). A steep roof replaced beyond 50 percent needs SRI 16 or 0.20 with 0.75 (California Energy Commission, 2022).
Which roof jobs do you take in Westlake Village?
Whole roofs: replacement, tear-off, tile, shingle, metal, flat and Class A work, plus new roofs. The form takes any roof job.
Is Westlake Village inside a fire hazard severity zone?
The CAL FIRE map answers it. Check the address on the CAL FIRE map viewer.