Cornerstone Roofing Inc.
Second-generation, family-owned since 2006, Cornerstone Roofing is the Santa Rosa roofing contractor Sonoma County homeowners and businesses trust for composite shingle, metal, tile, and low-slope roofing installation, replacement, and repair. Licensed under CSLB #909400, our crew handles everything from single-family homes to commercial buildings — on time, on budget, and cleaned up before we leave. Nearly 20 years serving Santa Rosa, Sebastopol, Rohnert Park, Petaluma, and the greater North Bay. Transparent pricing, free estimates, and a track record general contractors rely on by name.
Customer's reviews
Blog
What Are the Most Common Causes of Roof Leaks in Santa Rosa, CA Homes?
Roof leaks rarely start obviously. Winter rain, gusty weather, and aging mate…
Posted on: June 12, 2026
How Roof Ventilation Affects Your Santa Rosa, CA Home?
Here is what Santa Rosa homeowners should know about roof ventilation before problems appear.…
Posted on: May 21, 2026
How to Evaluate Roofing Contractors in Santa Rosa, CA (Licenses, Estimates, and Red Flags Compared)
Choosing the right roofing contractor in Santa R…
Posted on: April 23, 2026
Contact information
Phone
+1 707-608-6998
Address
2100 Llano Rd N1
Santa Rosa
95407
Sunday
Closed
Monday
7:00 AM - 4:30 PM
Tuesday
7:00 AM - 4:30 PM
Wednesday
7:00 AM - 4:30 PM
Thursday
7:00 AM - 4:30 PM
Friday
7:00 AM - 4:30 PM
Saturday
Closed