california-contractor-license-records

Licensed contractors in Diamond Bar, CA

145 company licenses with a clear status in Diamond Bar, CA, in the CSLB file of October 1, 2026.

ContractorLicenseMain classificationExpires
3 T MEDIA INC987903C-7 — Low Voltage SystemsOct 31, 2027
5 ZERO INC1105104B — General BuildingMay 31, 2027
ACEMD CORPORATION1111963B — General BuildingOct 31, 2027
AIRPROPOWER1150732C-10 — ElectricalFeb 29, 2028
ALLIANT CONSTRUCTION SERVICES INC1061441B — General BuildingDec 31, 2027
ALLWAYZ HEATING & AIR CONDITIONING INC1097372C-20 — Warm-Air Heating, Ventilating and Air-ConditioningOct 31, 2026
ALPHA CONSTRUCTION SERVICES INC1015331B — General BuildingJun 30, 2028
AMERICAN RESOURCES CORPORATION895201B — General BuildingApr 30, 2027
APEX CONSTRUCTION BUILDER INC1074739B — General BuildingApr 30, 2027
APT CONSTRUCTION INC1149695B — General BuildingJan 31, 2028
AQUARENA WATER CONDITIONING
US WATER MART		1160847C-55 — Water ConditioningSep 30, 2028
ARKIUS INC673454B — General BuildingMar 31, 2027
ATLANTIC AIR CONDITIONING INC613226C-20 — Warm-Air Heating, Ventilating and Air-ConditioningMar 31, 2027
AVANTI MEMBRANE TECHNOLOGY INC1091779C-55 — Water ConditioningMay 31, 2028
AVEO INC969881A — General EngineeringFeb 29, 2028
B7 BUILDERS
BEIT 7 LLC		1065231B — General BuildingApr 30, 2028
BIG ELEPHANT CONSTRUCTION INC1031703B — General BuildingOct 31, 2027
BIG MANGO RENOVATION INC1121648B — General BuildingJun 30, 2028
C - THIRTY - SIX INC739644B — General BuildingMay 31, 2028
C F P CONSTRUCTION INC700920B — General BuildingJan 31, 2027
C M INNOVATE INC992367C-54 — Ceramic and Mosaic TileApr 30, 2028
CABINETS 4 YOU LLC1112243B — General BuildingMay 31, 2028
CAL STEAM COMPANY
C S D M INC		674646C-4 — Boiler, Hot Water Heating and Steam FittingApr 30, 2027
CANY FIRE PROTECTION INC1142986C-16 — Fire ProtectionSep 30, 2027
CARVE MODULAR CORPORATION1154699B — General BuildingMay 31, 2028
CENTALINE CONSTRUCTION INC1145427B — General BuildingOct 31, 2027
CLIFTON JOE TILE CONTRACTOR INC401939C-54 — Ceramic and Mosaic TileMar 31, 2027
CLIMATE SPECIALISTS1003654C-20 — Warm-Air Heating, Ventilating and Air-ConditioningMay 31, 2027
COLONY ON GREEN
WINTECH DEVELOPMENT INC		951899C-27 — LandscapingSep 30, 2028
CONSMA INC951561B — General BuildingApr 30, 2028
CT & T CONCRETE PAVING INC875627A — General EngineeringApr 30, 2028
D A S BUILDER INC1044031B — General BuildingJul 31, 2027
D D Y IMPROVEMENT CORP925637B — General BuildingDec 31, 2026
DATANG BUILDING SERVICE INC1103658B — General BuildingApr 30, 2027
DAYONE CONSTRUCTION
DAYONE INVESTMENT CORP		1157614B — General BuildingJul 31, 2028
DCLOUD HOMES1106436B — General BuildingAug 31, 2027
DIAMOND ELEVATOR SERVICES1021983C-11 — ElevatorDec 31, 2026
DREAM SPACE CONSTRUCTION
DREAM PAINTING INC		1071725B — General BuildingDec 31, 2026
DREAMER CONSTRUCTION AND DEVELOPMENT1125664B — General BuildingAug 31, 2028
DUKE BUILDERS CORP635180B — General BuildingJan 31, 2028
DUX TECHNOLOGY CONSULTING INC1050592C-7 — Low Voltage SystemsFeb 28, 2027
DYCONN INC1093822B — General BuildingJul 31, 2028
DZ PRIME CONSTRUCTION1129072B — General BuildingNov 30, 2026
ECHO DEVELOPMENT INC993395A — General EngineeringJun 30, 2028
ECP CONSTRUCTION1150062B — General BuildingFeb 29, 2028
EDESH CONSTRUCTION
EDESH ENTERPRISE INC		1020843B — General BuildingNov 30, 2026
ENERVISION ELECTRIC POWER LLC1144854C-10 — ElectricalOct 31, 2027
EVERCRAFT CONSTRUCTION INC1122597B — General BuildingJun 30, 2028
FALKON CONSTRUCTION INC911791A — General EngineeringMar 31, 2028
FILL GOOD LANDSCAPING
FILL GOOD LLC		1053396C-27 — LandscapingMay 31, 2027
FUELTEC INC1011678A — General EngineeringMar 31, 2028
G A N SIGNS & GRAPHIC INC1008442C-45 — SignOct 31, 2027
G L CONSTRUCTION GROUP INC994049B — General BuildingJun 30, 2028
GARY & SON CONSTRUCTION1138649B — General BuildingJun 30, 2027
GIANT PALMS CONSTRUCTION INC1072035B — General BuildingDec 31, 2026
GOOD TIDINGS CONSTRUCTION INC577154B — General BuildingSep 30, 2027
GRAND SPACE1075915A — General EngineeringMay 31, 2027
GREEN AIR & REFRIGERATION839148C-20 — Warm-Air Heating, Ventilating and Air-ConditioningJun 30, 2027
H J R CONTRACTING INC1041548B — General BuildingJul 31, 2028
H4 INVESTMENT INC950924B — General BuildingAug 31, 2028
HAMMOND DRYWALL CONSTRUCTION
HAMMOND CONSTRUCTION SERVICES INC		956694C-2 — Insulation and AcousticalJan 31, 2027
HARDY LANDSCAPE CONSTRUCTION INC905954C-27 — LandscapingNov 30, 2027
HOFFICE BEAUTIFUL INC965248B — General BuildingSep 30, 2027
HOME BUILDERS INCORPORATED1047096B — General BuildingNov 30, 2026
HONEST PRO AIR CONDITIONING AND HEATING
HONEST PROTECTION INC		1106190C-20 — Warm-Air Heating, Ventilating and Air-ConditioningJun 30, 2027
HONG DING CONSTRUCTION INC1038313B — General BuildingApr 30, 2028
HUAMEI CONSTRUCTION INC1051093B — General BuildingMar 31, 2027
ICE MAN POWER LLC1158034C-10 — ElectricalJul 31, 2028
IMPERIUM ROOFING INC1141782C-39 — RoofingAug 31, 2027
INTEGRATED WIRING CONCEPTS INC1076152C-10 — ElectricalMay 31, 2027
ISANVO CONSTRUCTION INC1146026B — General BuildingNov 30, 2027
J K Z GROUP INC1080141B — General BuildingAug 31, 2027
JH BUILDER AND REMODELING INC751479B — General BuildingJun 30, 2027
JIANCAI CONSTRUCTION INC1141118B — General BuildingJul 31, 2027
JOE CONSTRUCTION GROUP1140095B — General BuildingJul 31, 2027
JT PROJECT MANAGEMENT INC1116801B — General BuildingFeb 29, 2028
JUSTPRIME CONSTRUCTION INC1153105B — General BuildingApr 30, 2028
K 3 G S LLC1064281C-7 — Low Voltage SystemsMar 31, 2028
KERTLAND ROOFING INC510174B — General BuildingMay 31, 2027
KITCHEN AND FLOORING CENTER INC968078B — General BuildingDec 31, 2027
L L L DEVELOPMENT INC923665B — General BuildingJun 30, 2028
LA ELECTRICAL & CONSTRUCTION INC1119000A — General EngineeringApr 30, 2028
LANYI USA INC1121762C-20 — Warm-Air Heating, Ventilating and Air-ConditioningJun 30, 2028
LEXAR CONSTRUCTION1074012B — General BuildingMar 31, 2027
LHW CONSTRUCTION INC1095664B — General BuildingAug 31, 2028
LIKAI CHEN HVAC INC926434C-20 — Warm-Air Heating, Ventilating and Air-ConditioningDec 31, 2027
M & E MANAGEMENT GROUP INC969068B — General BuildingJan 31, 2028
M S T CONSTRUCTION
M S T GROUP INC		837086B — General BuildingFeb 28, 2027
MCMASTER MECHANICAL879152C-20 — Warm-Air Heating, Ventilating and Air-ConditioningFeb 28, 2027
MILLER G DEVELOPMENT CO325200B — General BuildingDec 31, 2027
MING'S CONSTRUCTION AND HOTEL RENOVATION973795B — General BuildingJun 30, 2028
MONARCH INFORMATION SYSTEMS LLC1007648C-10 — ElectricalFeb 28, 2027
NEW LIFE CONSTRUCTION AND RENOVATION1039347B — General BuildingAug 31, 2028
NEXVILLE CONSTRUCTION INC1035410B — General BuildingJan 31, 2028
OCEANLUX CONSTRUCTION INC1153579B — General BuildingMay 31, 2028
PACHUCA CONSTRUCTION
PRECAST INSTALLERS INC		1023592B — General BuildingFeb 28, 2027
PARK S ROOFING USA1142782C-39 — RoofingAug 31, 2027
PATHFINDER CONSTRUCTION
PATHFINDER REAL ESTATE INC		1141723B — General BuildingAug 31, 2027
PERSPECTIVE LANDSCAPING INC541581B — General BuildingJan 31, 2028
PJCY RENOVATION1095968B — General BuildingAug 31, 2028
PLACE CONSTRUCTION & DEVELOPMENT INC515653A — General EngineeringMar 31, 2027
PLHK HVAC INC1151997C-20 — Warm-Air Heating, Ventilating and Air-ConditioningMar 31, 2028
POST ELECTRIC COMPANY INC768204C-10 — ElectricalNov 30, 2026
POWER PAINTING INC711007C-33 — Painting and DecoratingNov 30, 2027
PROMISE DEVELOPMENT GROUP INC925512B — General BuildingNov 30, 2026
PROPERTY INVESTMENT AND DEVELOPMENT GROUP
C G I MARKETING CORP		1006865B — General BuildingAug 31, 2027
PUB CONSTRUCTION INC788668A — General EngineeringDec 31, 2026
QD POWER INC1157184C-10 — ElectricalJun 30, 2028
QED FACTORY INC1153759B — General BuildingApr 30, 2028
R H CONSTRUCTION AND DESIGN INC1054283B — General BuildingAug 31, 2027
RAY BI ELECTRICAL & ENERGY LLC1125153C-10 — ElectricalMay 31, 2028
RAY ELECTRICAL ENGINEERING INC1039207C-10 — ElectricalMay 31, 2028
RIVA PROPERTY MANAGEMENT1053668B — General BuildingMay 31, 2027
RODRIGUEZ & SONS GENERAL CONSTRUCTION INC976744B — General BuildingSep 30, 2026
SERVICEMASTER RESTORATION BY DISASTER SERVICES
MATEAS DISASTER SERVICES		1113356B — General BuildingNov 30, 2027
SEVEN DIAMONDS INC1143632B — General BuildingSep 30, 2027
SHORELINE CONSTRUCTION AND DEVELOPMENT1141851B — General BuildingAug 31, 2027
SMART CONSTRUCTION
SUNOOON INC		1056267B — General BuildingJul 31, 2027
STL HOME BUILD INC1136498B — General BuildingApr 30, 2027
SUNCOAST HOME ELEVATORS CORP1073048C-11 — ElevatorJan 31, 2027
SUNRISE BUILDING GROUP INC1155622B — General BuildingMay 31, 2028
SUNSHINE ROOFING INC755126C-39 — RoofingJan 31, 2027
T H M ASSOCIATES INC1052347C-7 — Low Voltage SystemsApr 30, 2027
T&L BUILDING GROUP
TOUCHSTONE CONSTRUCTION		1137830B — General BuildingMay 31, 2027
TETRA TECH BAS INC572017A — General EngineeringJun 30, 2027
THE HOT MOPPER978099C-39 — RoofingMay 31, 2028
THLC CORPORATION1077041B — General BuildingJun 30, 2027
TO THE MAX CONSTRUCTION998426B — General BuildingNov 30, 2026
TOP CHOICE CONSTRUCTION SERVICE INC1105149B — General BuildingMay 31, 2027
TOP POINT CONSTRUCTION INC1016784B — General BuildingAug 31, 2028
TOUCHSTONE CONSTRUCTION DEVELOPMENT INC938018B — General BuildingSep 30, 2027
UNI CONSTRUCTION
OREP DEVELOPMENT INC		1026926B — General BuildingMar 31, 2028
URBANEDGE CONSTRUCTION INC1145858B — General BuildingNov 30, 2027
VANTA CONSTRUCTION & DESIGN
UP 4 U CONSTRUCTION INC		1100647B — General BuildingJan 31, 2027
VISION TREE EXPERTS INC1004697D-49 — Tree ServiceJun 30, 2027
VIVILUXE CONSTRUCTION INC1151920B — General BuildingMar 31, 2028
WALNUT HOUSING TECH INC1142816B — General BuildingAug 31, 2027
WKH CONSTRUCTION SERVICE INC1136117B — General BuildingMar 31, 2028
XINLONGYUAN CONSTRUCTION INC1118997B — General BuildingApr 30, 2028
XPERTCOM SOLUTIONS INC844669C-7 — Low Voltage SystemsAug 31, 2028
YELLOWSTONE WORKX INC1084592B — General BuildingDec 31, 2027
YIN CONSTRUCTION ENTERPRISES LLC1128987B — General BuildingNov 30, 2026
YOUNGJIN STEEL INC1119273C-51 — Structural SteelApr 30, 2028
YU GENERAL CONSTRUCTION INC1155644B — General BuildingMay 31, 2028
ZY HVAC EQUIPMENT SERVICES
ZY EQUIPMENT SERVICES INC		1133374C-20 — Warm-Air Heating, Ventilating and Air-ConditioningFeb 28, 2027

Alphabetical order — this site ranks no one. Company licenses with a clear status in the CSLB file of October 1, 2026. Sole owners are not on this site; for today's status and complaints, use the CSLB's Instant License Check. How to read this.