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Licensed general contractors and ADU builders in Discovery Bay

53 contractors with a Discovery Bay 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 Discovery Bay 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 53 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 1–53.
BIG LEAGUE BUILDER
B · Lic. #1073140 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BLUE JADE CONSTRUCTION INC
B · Lic. #1117078 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BODDY CONSTRUCTION
B · Lic. #702251 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHRISTY PLUMBING
B · also C-20, C-36 · Lic. #888948 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CUSTOM MODULAR STRUCTURES
B · Lic. #560604 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
D D BUILD CONSTRUCTION INC DBA WILDFIRE DESIGN & BUILD
B · Lic. #928907 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D L B CONSTRUCTION
B · Lic. #626782 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DB NETWORK CONSULTING INC
B · also C-10 · Lic. #1071386 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DELTA CONTRACTING INC
B · also ASB, C-10 · Lic. #761431 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DER TISCHLER INC
B · Lic. #918304 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DEREIS CONSTRUCTION INC
B · also C-13 · Lic. #944961 · Discovery Bay 94505
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
DESTNY68 CONSTRUCTION
B · Lic. #1044236 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DIABLO EXCAVATION & CONSTRUCTION
B · also A · Lic. #1110240 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DMS CONSTRUCTION
B · Lic. #982954 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DRH CONSTRUCTION
B · Lic. #1105463 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DUCHENEY CONSTRUCTION INC
B · Lic. #905180 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EAST BAY DESIGN BUILDERS
B · Lic. #710713 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EKMAN AND ASSOCIATES
B · Lic. #524102 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ENVIRONMENTAL MITIGATION SERVICES INC
B · also ASB, C-21, HAZ · Lic. #996125 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FOUNDRY BUILDER
B · Lic. #1159343 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
G A CAPELLI CONSTRUCTION
B · Lic. #909990 · Discovery Bay 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
G O R CONSTRUCTION
B · Lic. #916581 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GUIDRY CONSTRUCTION CO
B · Lic. #804594 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
HOME FRONT HEATING AND AIR CONDITIONING INC
B · also C-20 · Lic. #1013009 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
J JONES CONSTRUCTION INC
B · Lic. #996774 · Discovery Bay 94505
Workers' comp: exempt
Active — CSLB flag: case or citation pending; bond payment pending
J&A BAY BUILDERS INC
B · Lic. #1141974 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JB BUILDER
B · Lic. #1118999 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JON WALSER CONSTRUCTION INC
B · Lic. #752073 · Discovery Bay 94514
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KEN PRINE CONSTRUCTION
B · Lic. #840672 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KTF CONSTRUCTION SERVICES LLC
B · Lic. #1134613 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LABOR UNLIMITED
B · also C-10 · Lic. #461046 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
LABOR UNLIMITED INC
B · also C-10 · Lic. #837307 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
M G CONSTRUCTION
B · Lic. #1058778 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MC ALLISTER CONSTRUCTION
B · Lic. #953063 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MCDONOUGH CONSTRUCTION
B · Lic. #1024177 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NICHOLL CONSTRUCTION
B · Lic. #601694 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
O C M DEVELOPERS INC
B · Lic. #373443 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
O P FRAMERS INC
B · Lic. #877553 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
O'BRIEN CONTRACTORS
B · Lic. #750337 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PIANTANIDA CONSTRUCTION INC
B · Lic. #982408 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
R J REYNOLDS AG DISTRIBUTORS INC
B · Lic. #439341 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
S B E BUILDERS
B · Lic. #546126 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
S G S INCORPORATED
B · Lic. #392133 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
S J N CONSTRUCTION
B · Lic. #250677 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SB CONSTRUCTION
B · also A · Lic. #1127406 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SHAMBALA CONSTRUCTION INC
B · Lic. #938429 · Discovery Bay 94505
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
SIMCON COMPANY
B · Lic. #452419 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SIMPLY INTEGRATED
B · Lic. #878499 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
STORNETTA CONSTRUCTION
B · Lic. #609115 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
T BUBNIAK
B · Lic. #621026 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
TIM LEONARD CONSTRUCTION
B · Lic. #847852 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
TIMOTHY P FEHR
B · Lic. #951766 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
VELAZQUEZ AND SONS CONSTRUCTION CO
B · Lic. #1128000 · Discovery Bay 94505
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026