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Licensed general contractors and ADU builders in San Mateo · page 4 of 4

311 contractors with a San Mateo mailing address hold an active (CLEAR) CSLB B General Building license in CSLB's license file dated Oct 20, 2026. Get quotes from up to 3 of them →

A B General Building license covers jobs with two or more unrelated trades, like an ADU, an addition or a remodel. A B contractor can't take a stand-alone plumbing, electrical or roofing job unless they also hold that specialty license or subcontract it to someone who does.
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A Featured spot on this general building & adu page for San Mateo is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →
Ad space · openAdvertise here
A Featured spot on this general building & adu page for San Mateo is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →

All 311 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 301–311.
WILKINSON CONSTRUCTION INC
B · also A · Lic. #593759 · San Mateo 94402
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
WILKINSON PRESERVATION FINE HOME MAINTENANCE INC
B · Lic. #1003768 · San Mateo 94402
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WILLIAM E DILLON JR
B · also C-10 · Lic. #698360 · San Mateo 94402
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WILLIAM GARDNER
B · Lic. #603446 · San Mateo 94403
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WINSOL CONSTRUCTION
B · also D-41 · Lic. #1139358 · San Mateo 94403
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WP PROLINE CONSTRUCTION LLC
B · Lic. #1156190 · San Mateo 94401
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WRAP CONSTRUCTION
B · Lic. #1142092 · San Mateo 94401
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WRAP CONSTRUCTION LLC
B · Lic. #1148755 · San Mateo 94401
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
XLT BUILDERS INC
B · Lic. #1057265 · San Mateo 94401
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
Z GOR CONSTRUCTION INC
B · also C-54 · Lic. #1035573 · San Mateo 94402
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ZUME BUILDERS
B · Lic. #1042821 · San Mateo 94402
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026