Licensed contractors in Diamond Bar, California

Contractors with an active California license and a business address in Diamond Bar (Los Angeles County). Each listing shows what the state has on file.

• Pathfinder Construction
  General Contractors · #1141723
  Active No insurance on file
• Paul Quijano
  General Contractors · #1115522
  Active No insurance on file
• Perspective Landscaping INC
  General Contractors, Landscaping · #541581
  Active Insurance current
• Peter Yiping Hu
  General Contractors · #1053475
  Active No insurance on file
• Petrie Custom Woodworks
  General Contractors, Carpentry & Cabinets · #914575
  Active No insurance on file
• Pjcy Renovation
  General Contractors · #1095968
  Active No insurance on file
• Place Construction & Development INC
  General Contractors, Electrical · #515653
  Active Insurance current
• Plhk HVAC INC
  HVAC · #1151997
  Active Insurance current
• Post Electric Company INC
  Electrical · #768204
  Active No insurance on file
• Power Painting INC
  Painting · #711007
  Active Insurance current
• Primo Hand Construction & Services
  General Contractors · #962220
  Active No insurance on file
• Professional Tile Installation
  Tile & Stone · #712185
  Active No insurance on file
• Promise Development Group INC
  General Contractors · #925512
  Active No insurance on file
• Property Investment and Development Group
  General Contractors · #1006865
  Active No insurance on file
• Pub Construction INC
  General Contractors, Painting · #788668
  Active Insurance current
• Qd Power INC
  Electrical · #1157184
  Active Insurance expiring soon
• Qed Factory INC
  General Contractors · #1153759
  Active No insurance on file
• Qi Tian
  General Contractors · #971912
  Active No insurance on file
• Quality Contract Glazing
  Windows & Glass · #826550
  Active Insurance current
• R H Construction and Design INC
  General Contractors · #1054283
  Active Insurance current
• Ralph Salazar
  General Contractors · #819223
  Active Insurance current
• Raul Manuel Magana
  General Contractors, HVAC · #1005647
  Active Insurance current
• Ray Bi Electrical & Energy LLC
  Electrical · #1125153
  Active No insurance on file
• Ray Electrical Engineering INC
  Electrical · #1039207
  Active Insurance current
• Regional Signs & Lighting
  Sign (c45) · #1036143
  Active No insurance on file
• Ricardo a Lizarraga
  General Contractors · #1109743
  Active No insurance on file
• Richard Glen Roberts Jr
  Pools & Spas · #963131
  Active No insurance on file
• Richard L Baugh DBA Cornerstone Construction CO
  General Contractors, Drywall · #427183
  Active No insurance on file
• Riva Property Management
  General Contractors · #1053668
  Active No insurance on file
• Robert Velazquez Construction
  General Contractors · #1072001
  Active No insurance on file
• Roger Henry
  General Contractors · #980170
  Active No insurance on file
• S V L Construction Operations
  General Contractors · #1131331
  Active No insurance on file
• Samuel J Lee
  General Contractors · #1060372
  Active No insurance on file
• Sean Krubinski
  General Contractors, Painting · #992919
  Active No insurance on file
• Service Wizards
  Plumbing, HVAC · #797071
  Active Insurance current
• Servicemaster Restoration by Disaster Services
  General Contractors · #1113356
  Active Insurance current
• Seven Diamonds INC
  General Contractors · #1143632
  Active No insurance on file
• Shoreline Construction and Development
  General Contractors · #1141851
  Active No insurance on file
• Smart Construction
  General Contractors, Electrical · #1056267
  Active No insurance on file
• So Cal Hardwood Floors
  Flooring · #824420
  Active Insurance current
• Song Construction
  General Contractors · #1151604
  Active No insurance on file
• Steven Jiang
  General Contractors · #1158255
  Active No insurance on file
• Stl Home Build INC
  General Contractors · #1136498
  Active No insurance on file
• Sturdi-Quick Building Systems
  General Contractors · #862157
  Active No insurance on file
• Suncoast Home Elevators Corp
  Elevator (c11) · #1073048
  Active Insurance current
• Sundial Concrete Constructors
  Concrete · #1009010
  Active Insurance current
• Sunrise Building Group INC
  General Contractors · #1155622
  Active No insurance on file
• Sunshine Roofing INC
  Roofing · #755126
  Active Insurance current
• T&l Building Group
  General Contractors · #1137830
  Active No insurance on file
• Tahada Construction
  General Contractors · #934622
  Active No insurance on file
• Tasco Pacific Fire Protection
  Electrical · #750602
  Active Insurance expiring soon
• Tetra Tech Bas INC
  General Contractors · #572017
  Active Insurance current
• The Hot Mopper
  Roofing · #978099
  Active Insurance current
• Thlc Corporation
  General Contractors, Electrical · #1077041
  Active Insurance current
• Thm Associates INC
  Low Voltage Systems (c7) · #1052347
  Active No insurance on file
• To the Max Construction
  General Contractors · #998426
  Active No insurance on file
• Todd Clark DBA Rooter Shooter
  General Contractors, Plumbing · #800418
  Active No insurance on file
• Todd Michael Halstead
  General Contractors, Electrical · #685211
  Active No insurance on file
• Top Choice Construction Service INC
  General Contractors · #1105149
  Active No insurance on file
• Top Point Construction INC
  General Contractors · #1016784
  Active Insurance current
• Touchstone Construction Development INC
  General Contractors · #938018
  Active Insurance current
• Uni Construction
  General Contractors · #1026926
  Active No insurance on file
• Unicorn Construction
  General Contractors · #1042772
  Active No insurance on file
• Urbanedge Construction INC
  General Contractors · #1145858
  Active Insurance expiring soon
• V C Construction & Development
  General Contractors · #959583
  Active No insurance on file
• Vanguard Plumbing
  Plumbing · #1161936
  Active No insurance on file
• Vanta Construction & Design
  General Contractors, Electrical · #1100647
  Active No insurance on file
• Vision Tree Experts INC
  Tree Service · #1004697
  Active Insurance current
• Viviluxe Construction INC
  General Contractors · #1151920
  Active No insurance on file
• Walnut Housing Tech INC
  General Contractors · #1142816
  Active No insurance on file
• Wang Ziyi Construction
  General Contractors · #1145455
  Active No insurance on file
• Wh Electrical
  Electrical · #1147623
  Active No insurance on file
• Wkh Construction Service INC
  General Contractors · #1136117
  Active No insurance on file
• Xiaoqing
  Electrical · #1113933
  Active No insurance on file
• Xiating Chen
  General Contractors · #1155347
  Active No insurance on file
• Xinlongyuan Construction INC
  General Contractors · #1118997
  Active No insurance on file
• Xpertcom Solutions INC
  Low Voltage Systems (c7) · #844669
  Active No insurance on file
• Yellowstone Workx INC
  General Contractors, Tile & Stone · #1084592
  Active Insurance current
• Yin Construction Enterprises LLC
  General Contractors · #1128987
  Active No insurance on file
• Yin Ping Liu
  Electrical · #960083
  Active No insurance on file
• Yiu Ming Yuen
  General Contractors · #1142834
  Active No insurance on file
• Young Chai Jung
  General Contractors · #1051661
  Active Insurance current
• Youngjin Steel INC
  Structural Steel (c51) · #1119273
  Active Insurance current
• Yq Air Condition Solution
  HVAC · #1077548
  Active Insurance current
• Yu General Construction INC
  General Contractors · #1155644
  Active No insurance on file
• Yuan Zhang
  General Contractors · #1042983
  Active No insurance on file
• Yuze Air Conditioning
  HVAC · #1086305
  Active Insurance current
• Zhibin Su
  General Contractors · #1155412
  Active No insurance on file
• Zhuoxin Construction
  General Contractors, Electrical · #1116182
  Active Insurance current
• Zip Renovation & Air
  General Contractors, Electrical · #762505
  Active Insurance current
• Zy HVAC Equipment Services
  HVAC · #1133374
  Active Insurance current

Last checked against state records on Oct 4, 2026. How we get this data.