California › Los Angeles County › General Building & ADU › Downey

Licensed general contractors and ADU builders in Downey

265 contractors with a Downey 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 Downey 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 265 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 1–100.
A - TEAM CONSTRUCTION
B · Lic. #783900 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
A & C REMODELING INC
B · Lic. #959169 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A A C R GENERAL CONSTRUCTION INC
B · Lic. #1067064 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
A D IMPROVEMENTS INC
B · also A, ASB, C-21, C-22… · Lic. #704437 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A E ALLIANCE CONTRACTORS
B · Lic. #978774 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
A E CONSTRUCTION & ENVIRONMENTAL SERVICES
B · also A · Lic. #772677 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
A E I GENERAL CONTRACTORS
B · also C-10, C-36 · Lic. #1015034 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ADANSTAR CONSTRUCTION
B · Lic. #818310 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ADAPT & DESIGN CONSTRUCTION
B · Lic. #1144225 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ADDESSI BROTHERS INC
B · Lic. #1049937 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AFFORDABLE MAINTENANCE & CONSTRUCTION
B · Lic. #875913 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AGUAYO JR REMODELING
B · Lic. #1105782 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
AKA1 BUILDERS INC
B · Lic. #1105157 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AL - MAK CONSTRUCTION INC
B · Lic. #817970 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALEXO CONSTRUCTION INC
B · Lic. #1051218 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALL GOODMAN CONSTRUCTION CO
B · Lic. #965466 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALMAX CONCRETE & CONSTRUCTION INC
B · also C-8 · Lic. #1065273 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALPHA & OMEGA RESTORATION INC
B · Lic. #403991 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALVERDIN CONSTRUCTION INC
B · Lic. #1093825 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AMERICAN HOME CENTER INC
B · Lic. #540571 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANGULAR CONSTRUCTION CORPORATION
B · Lic. #1105811 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ANTHONY JOSEPH RAGUSA
B · Lic. #519853 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ARCWOLF DESIGN & CONSTRUCTION
B · Lic. #1154594 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ARGO CONSTRUCTION & REMODELING INC
B · Lic. #1027669 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARMANDO VALENZUELA DBA A & B CONSTRUCTION
B · Lic. #774439 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ARREOLA'S FRAMING INC
B · also C-5 · Lic. #1050902 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARROW CONSTRUCTION SERVICES
B · also C-33 · Lic. #1072786 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ARTCO DEVELOPMENT AND CONSTRUCTION INC
B · Lic. #899512 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARTEAGA'S CONSTRUCTION
B · Lic. #1019565 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ARTLUX RENOVATIONS CORP
B · also A, C-10, C-20, C-36 · Lic. #1152352 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AS ELECTRIC INC DBA EVOLUTION ENERGY
B · also C-10 · Lic. #944493 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ASCANI CORP
B · also C-10 · Lic. #1137133 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BEULAH CONSTRUCTION INC
B · Lic. #1032274 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BEYROOTY'S
B · Lic. #600920 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BISHOUI IBRAHIM ATTIA BASTAWROS
B · also A · Lic. #1076603 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BLUEOAK CONSTRUCTION INC
B · Lic. #1012444 · Downey 90240
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
BRA GENERAL CONSTRUCTION
B · Lic. #1125763 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BREAULT CONSTRUCTION INC
B · also C-36 · Lic. #1056934 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BROTHERS CONSTRUCTION AND REPAIRS
B · Lic. #1025917 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUILD NOW STUDIO
B · Lic. #1102382 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUILDAVIEW
B · Lic. #1148853 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUILDCON
B · also C-36 · Lic. #1150028 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BUILDER POINT CONSTRUCTION
B · Lic. #1059885 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BUILDING LOS ANGELES CORP
B · Lic. #1118364 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
C I R IMPROVEMENT
B · also C-10 · Lic. #775245 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
C N B CORPORATION
B · also A, C-51 · Lic. #789423 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CABINET INNOVATORS & CONSTRUCTION SERVICES INC
B · Lic. #1002846 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CAL-TRON DEVELOPMENTS INC
B · also A · Lic. #1079970 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CALIFORNIA HOME IMPROVEMENTS INC
B · Lic. #783241 · Downey 90239
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CARLOS I DORADO
B · Lic. #777273 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CASTILLO CONSTRUCTION
B · also C-33 · Lic. #862499 · Downey 90242
Workers' comp: License does not have current W/C
✓License Verified CSLB file · Oct 20, 2026
CASTRO CONSTRUCTION AND DEVELOPMENT INC
B · Lic. #1043447 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CEDARS CONSTRUCTION INC
B · Lic. #1032022 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CENTURY 1ST CONSTRUCTION INCORPORATED
B · Lic. #1106759 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHAGO'S CONSTRUCTION INC
B · Lic. #983596 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHAVEZ UNLIMITED CONSTRUCTION INC
B · Lic. #920279 · Downey 90239
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CORE CONSTRUCTION LLC
B · Lic. #990781 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CORNEJOS BUILDERS INC
B · Lic. #1065145 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
COSTA SUR CONSTRUCTION INC
B · Lic. #978642 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
D D INSTALLATION
B · Lic. #706559 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DAMON INC
B · Lic. #463003 · Downey 90240
Workers' comp policy on file
Active — CSLB flag: "FAM Sup Tmp Lic"
DELGADO CONSTRUCTION
B · Lic. #867961 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DEPENDABLE GENERAL CONSTRUCTION SERVICES INC
B · Lic. #963940 · Downey 90239
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DESIGN CONSTRUCTION
B · Lic. #767534 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DESIGNER BUILDERS INC
B · also A · Lic. #844359 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DIAMANTE CONSTRUCTION
B · Lic. #278217 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DIAZ CONSTRUCTION
B · also C-27 · Lic. #1072792 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DOWNEY PROPERTY SERVICES
B · Lic. #821199 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
E & R ELITE PRIME CONSTRUCTION CORP
B · Lic. #1081393 · Downey 90239
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
E&R MANAGEMENT CONTRACTORS INC
B · Lic. #1000539 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
EASTSIDE CONSTRUCTION CO INC
B · Lic. #212643 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
EBENEZER CONSTRUCTION
B · Lic. #657529 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ECONOMY IMPROVEMENT CONSTRUCTION SERVICES
B · Lic. #1016055 · Downey 90241
Workers' comp: License does not have current W/C
✓License Verified CSLB file · Oct 20, 2026
ELITE RAMOS CONSTRUCTION
B · also A, C-36 · Lic. #1094720 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ENTRE RIOS IRON WORKS INC DBA THE SOUTHERN CALIFORNIA
B · also C-23, C-39, D-28 · Lic. #530139 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ENVISION DEVELOPMENT GROUP
B · Lic. #1155712 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
EUGENE BARBEAU III INC DBA COASTLINE ROOFING
B · also C-39 · Lic. #1007248 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EUGENIO MAYANS
B · Lic. #430171 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
EXACT RECONSTRUCTION INC
B · Lic. #1157030 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
F C CONSTRUCTION
B · also C-10 · Lic. #946435 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
F S Z BROS GENERAL CONTRACTORS INC
B · Lic. #794097 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FAR BETTER HOME IMPROVEMENT
B · also C-33 · Lic. #996183 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FIBER TECH COMMUNICATION & CONSTRUCTION
B · also C-7 · Lic. #865554 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FIBERTECH COMMUNICATION & CONSTRUCTION INC
B · also C-7 · Lic. #1120753 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FLORES CONSTRUCTION
B · Lic. #752304 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FLORES CONSTRUCTION COMPANY
B · also ASB · Lic. #576151 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FRANK'S REMODELING 4 YOU INC
B · Lic. #1008230 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FRASCA CONSTRUCTION
B · Lic. #926872 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FRONTIER BUILDING INC
B · Lic. #1104894 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FUENTES CONSTRUCTION DESIGN / BUILD
B · Lic. #845592 · Downey 90242
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GALINDO BUILDERS INC
B · Lic. #1148374 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GAMMA PLUMBING & HEATING & AIR CONDITIONING
B · also C-10, C-20, C-36 · Lic. #546523 · Downey 90241
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GAROS CONSTRUCTION INC
B · Lic. #1089695 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GENERAL CONTRACTOR
B · Lic. #960412 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GENERATIONS CONSTRUCTION
B · also C-6 · Lic. #939649 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GMP BUILDERS INC
B · Lic. #731568 · Downey 90240
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GO IRON BUILDERS INC
B · Lic. #1122038 · Downey 90241
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GRANT WAYNE NEILAN
B · Lic. #1072282 · Downey 90240
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GREENE'S REWORK
B · Lic. #742483 · Downey 90242
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GREENTECH DEVELOPMENT INC
B · also C-10, C-20, C-36 · Lic. #1072897 · Downey 90241
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending