California › Riverside County › General Building & ADU › Mountain Center
Licensed general contractors and ADU builders in Mountain Center
9 contractors with a Mountain Center 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 Mountain Center 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 Mountain Center 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 9 licensed general contractors and ADU builders
Order: A–Z by business name (neutral, stated). Showing 1–9. BRIAN COONEY CONSTRUCTION INC
B · Lic. #797277 · Mountain Center 92561
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CALACON INC
B · Lic. #622308 · Mountain Center 92561
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J RANDOLPH DBA J&J CONTRACTING
B · Lic. #866095 · Mountain Center 92561
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
KOZLIK CONSTRUCTION
B · Lic. #353461 · Mountain Center 92561
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MALONEY & SONS
B · Lic. #823860 · Mountain Center 92561
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MOUNTAIN MECHANICAL SERVICES LLC
B · also C-20 · Lic. #922929 · Mountain Center 92561
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PORTER ARCHITECTURE/CONSTRUCTION
B · Lic. #286788 · Mountain Center 92561
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ROBERT HOWELL
B · Lic. #996870 · Mountain Center 92561
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WEST COAST BUILDING & DEVELOPMENT
B · also C-8 · Lic. #662196 · Mountain Center 92561
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026