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Licensed general contractors and ADU builders in Westminster

152 contractors with a Westminster 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 Westminster 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 152 licensed general contractors and ADU builders

Order: A–Z by business name (neutral, stated). Showing 1–100.
32 DIMENSIONS MAINTENANCE INC
B · also C-20 · Lic. #1121432 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A TO Z CONSTRUCTION
B · also C-16 · Lic. #951360 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
AFFORDABLE HARDWOOD FLOORS
B · also C-15 · Lic. #860603 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AFFORDABLE HOUSING CONSTRUCTION INC
B · Lic. #1111428 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALLAN PETERSON
B · also C-6, C-10 · Lic. #704551 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ALLEGIANT MECHANICAL INC
B · also C-20, C-36, C-43 · Lic. #1132804 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALPHA BUILDING STRUCTURES
B · Lic. #1135606 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ANH NGOC NGUYEN
B · Lic. #772141 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ANTAMCONCEPTS
B · Lic. #1154445 · Westminster 92683
Workers' comp: exempt
Active — CSLB flag: "FAM Sup Tmp Lic"
ARIEL GOMEZ
B · Lic. #583986 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
AV PRO BUILDER INC
B · also C-10, C-27 · Lic. #1025361 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AXIO TRADES CONSTRUCTION
B · Lic. #1144043 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
B BAILEY
B · Lic. #935307 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
B F CONSTRUCTION INC
B · also A, C-8, C-10, C-15 · Lic. #918675 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B KRAMER INC
B · also C-13, D-24 · Lic. #677305 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BEN CAO DESIGN AND CONSTRUCTION
B · Lic. #921163 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BILLY LEN CONSTRUCTION
B · Lic. #877203 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BINH LE
B · Lic. #1161037 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BJSKM INC
B · Lic. #1054186 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BKR SERVICES INC DBA BKR CONSTRUCTION SERVICES
B · Lic. #1031979 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BL BUILDERS INC
B · Lic. #1076408 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BLACK DIAMOND BUILDS & RENOVATIONS INC
B · Lic. #1120428 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BLAKE CONSTRUCTION
B · Lic. #884243 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BLEICH CONSTRUCTION
B · Lic. #545781 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BOLSA CONSTRUCTION INC
B · Lic. #1130264 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BP GENERAL INC
B · Lic. #1123936 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BRYSON CONSTRUCTION
B · Lic. #868329 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BTK CAL PACIFIC CONTRACTORS INC
B · also D-28 · Lic. #1057284 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUILDING AND CONSTRUCTION CONTRACTORS
B · Lic. #759677 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUILDOV LLC
B · Lic. #1154742 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BUP NGUYEN CONSTRUCTION
B · Lic. #986786 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
C & G LABORATORY CONSTRUCTION
B · Lic. #1118356 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
C D V BUILDERS
B · Lic. #907257 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
C D V BUILDERS INC
B · Lic. #1002590 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
C L TAYLOR CONSTRUCTION INC
B · Lic. #990103 · Westminster 92685
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CAL ADU BUILDERS INC
B · Lic. #1156647 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CALI STAR CONSTRUCTION
B · also D-34 · Lic. #862162 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CAPITAL CONSTRUCTION
B · Lic. #890081 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CARLSON CONSTRUCTION
B · Lic. #708475 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHAY SOK TAING
B · Lic. #972042 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHI TRONG DAO
B · Lic. #846076 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHRIS HUY HO DBA Q & C GRANITE TOPS
B · Lic. #796455 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHRIS MARTIN CONSTRUCTION SERVICES
B · Lic. #1101942 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
CHRIS RIGGINS CONSTRUCTION INC RIGGINS WOOD PRODUCTS
B · also C-6 · Lic. #906800 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
CUSTOM-BUILT CONSTRUCTION
B · Lic. #669783 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
D-ONE BUILDER & DESIGN INC
B · also A · Lic. #1058273 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DAN VU NGUYEN
B · Lic. #1086298 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DATRA GENERAL CONTRACTOR
B · Lic. #818188 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DAVID LEONI CONSTRUCTION
B · also C-36, C-54 · Lic. #742431 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DAVID LUONG
B · Lic. #1096657 · Westminster 92683
Workers' comp: exempt
Active — CSLB flag: bond payment pending (entity)
DE THAT TON
B · also C-6, C-10, C-15, C-36 · Lic. #904826 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
DELTA REMODELING SERVICE
B · Lic. #1162900 · Westminster 92083
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DMC CONSTRUCTION
B · also C-6 · Lic. #672503 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DRAGON CONSTRUCTION COMPANY
B · Lic. #929525 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DUNG VAN DONG
B · also C-36 · Lic. #963451 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
E M F CONSTRUCTION
B · Lic. #613157 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ELROD CONSTRUCTION
B · Lic. #905817 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ENVIRO TECH CONSTRUCTORS LLC
B · Lic. #1028978 · Westminster 92684
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
FIX CONSTRUCTION
B · Lic. #836653 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GADEG INC
B · Lic. #1062102 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GEORGE LINE CONSTRUCTION
B · Lic. #615352 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
H&N CONTRACTOR CORP
B · Lic. #1139254 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HARBOUR ELECTRIC
B · also C-10 · Lic. #707899 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HOMAZ BUILDERS
B · Lic. #814024 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HUNG HUYNH C P I
B · Lic. #669073 · Westminster 92684
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
HUNG QUANG DANG
B · Lic. #854494 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
J P CONSTRUCTION & DEVELOPMENT
B · Lic. #978192 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JACOB ROBINSON CONSTRUCTION
B · Lic. #1065091 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JAKE SANFORD CONSTRUCTION INC
B · also C-8 · Lic. #1021326 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JAMES CUSTOM BUILDING
B · Lic. #898891 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JCL & SONS HVAC INC
B · also C-20 · Lic. #759146 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOE RHODES MAINT SERVICE INC
B · also A, C-10 · Lic. #445204 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOHN VIET QUOC VO
B · Lic. #620258 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOJO CONSTRUCTION INC
B · also C-10 · Lic. #1124758 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JONES-Z CONSTRUCTION
B · Lic. #1084368 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
K N ENGINEERING & CONSTRUCTION COMPANY
B · Lic. #599652 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
KAIZEN INDUSTRIES
B · also A, C-10, C-15 · Lic. #946457 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KENNY NGUYEN
B · Lic. #817092 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
KIMLIEN T DANG
B · also A · Lic. #857497 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
LANDING CONSTRUCTION GROUP INC
B · also C-36 · Lic. #963678 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LE'S BUILDERS INC
B · also A, C-10, C-36 · Lic. #708253 · Westminster 92685
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
LION AND LAMB CONSULTING LLC DBA LION AND LAMB CONSTRUCTION
B · Lic. #1129361 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
M D CONSTRUCTION
B · Lic. #656895 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
M T CONSTRUCTION
B · also HAZ · Lic. #903796 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
M T N CONSTRUCTION
B · Lic. #691326 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
M9 BUILDERS LLC
B · Lic. #1139812 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MAISON COMPANY
B · Lic. #634624 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MI BONITA QUALITY CONSTRUCTION
B · Lic. #1000870 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MICHAEL RICHARD DOUTHWAITE
B · Lic. #872630 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MIGUEL BRAMBILA
B · Lic. #1161128 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MODBOX BUILDER
B · Lic. #1154615 · Westminster 92983
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NATIONAL FAIL SAFE
B · also C-7, C-10, C-16 · Lic. #329699 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NATIONAL FAIL SAFE
B · also C-7, C-10 · Lic. #708445 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ND CONSTRUCTION
B · also A · Lic. #1141222 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NEIGHBORS BUILD & DESIGN INC
B · Lic. #1155153 · Westminster 92683
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NEWEDGE CONSTRUCTION AND DEVELOPMENT LLC
B · also C-36 · Lic. #435419 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NEWSTAR DESIGN AND CONSTRUCTION INC
B · Lic. #998542 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
NJC CONSTRUCTION INC
B · Lic. #1131426 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
OCEANVIEW DESIGN
B · Lic. #949492 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
OLBERDING CONSTRUCTION INC
B · also D-12 · Lic. #816458 · Westminster 92683
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026