California › Contra Costa County › General Building & ADU › Clayton

Licensed general contractors and ADU builders in Clayton

74 contractors with a Clayton 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 Clayton 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 74 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 1–74.
3D TECHNICAL SERVICES INC
B · also C-10, D-21 · Lic. #743965 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AAA CONSTRUCTION MANAGEMENT
B · Lic. #1042705 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ADU CREW LLC
B · Lic. #1139240 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALTERNATIVE DESIGN
B · also C-10 · Lic. #942495 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ANDERSON CONSTRUCTION
B · also C-9 · Lic. #622558 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ATIC CONSTRUCTION INC
B · Lic. #510319 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BENEDETTO'S ADDITIONS
B · Lic. #812284 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BLACK OAK CONSTRUCTION
B · Lic. #605964 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BRAVO BUILDING CO INC
B · also A, C-53 · Lic. #716268 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BUILT ICON
B · Lic. #1060193 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CAL MANAGEMENT INC
B · Lic. #1148240 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CHRISTIAN HVAC
B · also C-2, C-20 · Lic. #1029082 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CLAIBORNE CONSTRUCTION
B · Lic. #320562 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DENNIS SLEIGHTER CONST
B · Lic. #701231 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DIABLO RIDGE GROUP INC
B · also C-54 · Lic. #982132 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DIABLO VIEW CONSTRUCTION INC
B · Lic. #962284 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ECOBUILDING
B · Lic. #945538 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ENERGY SOLUTIONS CORP INC
B · also C-10, C-20, C-46 · Lic. #1158542 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FJELLBO & SON CONSTRUCTION INC
B · Lic. #660977 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FOSBERY GENERAL BUILDING CONTRACTOR
B · Lic. #585213 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FRISBY CONSTRUCTION
B · Lic. #1140260 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
G N HENLEY INC
B · also A, C-2, C-6, C-8… · Lic. #373161 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GIANNI CONSTRUCTION
B · Lic. #888187 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GOLDEN OAK CONSTRUCTION
B · Lic. #472526 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GRATS DECOR INTERIOR DESIGN & BUILD INC
B · Lic. #992240 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GRIPE CONSTRUCTION INC
B · also C-6 · Lic. #757142 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GRIZZLY INC
B · Lic. #478680 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
HATLEY CONSTRUCTION COMPANY
B · Lic. #573170 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
HUNTER-BROOKE BUILDER
B · Lic. #1066098 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
IBUILD CONSTRUCTION & RENOVATIONS INC
B · also C-15, C-21 · Lic. #1020568 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INGRAM CONSTRUCTION INCORPORATED
B · Lic. #946006 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ITALIAN HERITAGE TILE AND STONE INC
B · also C-54 · Lic. #934372 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J & R FLOOR SERVICES
B · also C-2, D-6 · Lic. #714096 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J A RONCO CONSTRUCTION
B · Lic. #844344 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J D CO
B · Lic. #717757 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J M L CONSTRUCTION
B · Lic. #1056117 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J W MC CAA CONSTRUCTION
B · Lic. #794443 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JACKETT CONSTRUCTION
B · Lic. #766327 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JP GENERAL CONSTRUCTION SERVICES INC
B · Lic. #1143523 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KEN MITOLO CONSTRUCTION
B · Lic. #531028 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LAMORINDA CONTRACTOR
B · also C-33 · Lic. #598907 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
LOU'S CONSTRUCTION
B · Lic. #709870 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LUCCHESE AND SONS
B · Lic. #635229 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MACE ELECTRIC
B · also C-10 · Lic. #714780 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MAGIC HAMMER REMODELING
B · Lic. #630233 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MAJESTIC LANDSCAPE
B · also C-8, C-27, C-53 · Lic. #373538 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MARLIN CONSTRUCTION
B · Lic. #872858 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MC CARTHY CONSTRUCTION
B · Lic. #701497 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MCCARTT CONSTRUCTION INC
B · Lic. #770687 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MIKE'S MAINTENANCE
B · Lic. #789947 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MOTTO CONSTRUCTION
B · Lic. #914547 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NORDIC GENERAL BUILDING CONTRACTOR
B · Lic. #606970 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NU IMAGE PAINTING AND CONSTRUCTION
B · also C-33 · Lic. #572337 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ODYSSEY BUILDERS
B · Lic. #1071556 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OHLSON CONSTRUCTION SERVICES INC
B · Lic. #969150 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PACHECO LANDSCAPE AND POOL CONSTRUCTION
B · also C-27, C-53 · Lic. #987689 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PATLYN FACILITY REPAIR INC
B · Lic. #1006420 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PGRA CONSTRUCTION
B · Lic. #1070660 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PROBUILT LLC
B · Lic. #1116236 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PUREV GENERAL CONTRACTING LLC
B · Lic. #910780 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
R P D BUILDERS
B · Lic. #857052 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
RAICHOUDRI CONSTRUCTION
B · Lic. #820591 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
REFIT CONSTRUCTION
B · Lic. #1013827 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
REMODEL PRO
B · Lic. #1071649 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RICHARD B SEENO
B · also A, HAZ · Lic. #497536 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
RJ CANCLINI CONSTRUCTION INC
B · Lic. #828712 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ROBERT MILLS CONSTRUCTION
B · also HAZ · Lic. #933581 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
RODRIGUEZ CONSTRUCTION
B · Lic. #1151587 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SHIELD OF ARMOR PAINTING INC
B · also C-33 · Lic. #679198 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SKUBA CONSTRUCTION SERVICES INC
B · also C-33 · Lic. #781926 · Clayton 94517
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
T CALLANTA ENTERPRISES
B · Lic. #815926 · Clayton 94517
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
THE WORKSHOP CO
B · Lic. #1149722 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
VINCENT RIZZUTO GENERAL CONTRACTING
B · Lic. #739958 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
WILLIAM P JORDAN CONSTRUCTION
B · Lic. #1151546 · Clayton 94517
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026