Licensed Contractors in Walnut, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: May 24, 2026.

Contractors by Trade

Building (196)
Electrical (41)
HVAC (31)
Plumbing (24)
Limited (23)
Painting (14)
Roofing (8)
Landscaping (8)
Fire (6)
Earthwork (5)
Solar (4)
Welding (3)
Excellent Gmep Construction Inc Active
License #1026917 B, C-10 +1 more Walnut, CA Est. 2017
Ab Construction Services Active
License #1027083 B Walnut, CA Est. 2017
Steve'S Heating & Air Conditioning Active
License #1029672 C-20 Walnut, CA Est. 2017
J F Shea / Parsons A Joint Venture Active
License #1030038 A, C-10 +1 more Walnut, CA Est. 2017
U S Construction Enterprises Corp Active
License #1032091 A, B Walnut, CA Est. 2017
Gentry Vasquez Electric Inc Active
License #1035047 C-10 Walnut, CA Est. 2018
Kna Construction Inc Active
License #1036481 B Walnut, CA Est. 2018
Anchao Pan Active
License #1037685 B Walnut, CA Est. 2018
Scmj Construction Inc Active
License #1038049 B Walnut, CA Est. 2018
L Brothers Investment Group Inc Active
License #1038280 B Walnut, CA Est. 2018
Atlas Construction Clean-Up Services Active
License #1038375 D63 Walnut, CA Est. 2018
American Vector Inc Active
License #1038463 B Walnut, CA Est. 2018
Tundra Construction Design & Build Active
License #1040237 B Walnut, CA Est. 2018
Gabriel Frausto Underground Construction Inc Active
License #1040416 A, C-42 Walnut, CA Est. 2018
Top One (L.M.) Inc Active
License #1042151 B Walnut, CA Est. 2018
Kp Plumbing Inc Active
License #1044093 C-36 Walnut, CA Est. 2018
Rrsw Construction Inc Active
License #1045349 B Walnut, CA Est. 2018
Herui Construction Active
License #1048427 B Walnut, CA Est. 2018
I Go Heating & Air Conditioning Inc Active
License #1049231 C-20 Walnut, CA Est. 2019
Citisign Active
License #1050442 C-45 Walnut, CA Est. 2019
Zr Square Construction Active
License #1050887 B Walnut, CA Est. 2019
Gofg Construction Inc Active
License #1051182 B Walnut, CA Est. 2019
Corona Air And Water Balancing Active
License #1051200 C-55, D62 Walnut, CA Est. 2019
Maximum Mechanical Plumbing Active
License #1051536 C-36 Walnut, CA Est. 2019
Galactric Technology Co Active
License #1052828 C-7 Walnut, CA Est. 2019
Skyland Builders Inc Active
License #1053627 B Walnut, CA Est. 2019
Air Caresaver Corp Active
License #1054832 C-20 Walnut, CA Est. 2019
Leon L Liao Active
License #1059474 B Walnut, CA Est. 2019
King Young Investments Inc Active
License #1059807 B Walnut, CA Est. 2019
Shnc Gc Inc Active
License #1060327 A, B Walnut, CA Est. 2019
Skyland Construction And Remodeling Co Active
License #1060663 B Walnut, CA Est. 2019
Aplicano Construction Inc Active
License #1060797 B Walnut, CA Est. 2019
Glc Capital Group Inc Dba Glc Group Construction Active
License #1061258 B Walnut, CA Est. 2019
Finishing Experts Inc Dba Coating Finishes Active
License #1061501 C-33 Walnut, CA Est. 2019
Shalc Gc Inc Active
License #1062050 A, B Walnut, CA Est. 2020
Concept Electric Inc Active
License #1062738 C-10 Walnut, CA Est. 2020
Alan Lung Wong Active
License #1062950 B Walnut, CA Est. 2020
Shan Gao Electrical Services Active
License #1066744 C-10 Walnut, CA Est. 2020
Ustairs Active
License #1067337 B, C-13 Walnut, CA Est. 2020
Mengge Liu Active
License #1067520 B Walnut, CA Est. 2020
Hyrich Construction & Supply Llc Active
License #1070346 B Walnut, CA Est. 2020
Spymicro Surveillance Technologies Active
License #1072230 C-7 Walnut, CA Est. 2020
Rockstone Plastering Inc Active
License #1072373 B, C-33 +1 more Walnut, CA Est. 2020
Yusheng Song Active
License #1076196 B Walnut, CA Est. 2021
Lz Comfort Home Active
License #1081673 C-10, C-20 Walnut, CA Est. 2021
Wonevista Construction Active
License #1082394 B, C-6 Walnut, CA Est. 2021
Quinto Heating And Air Active
License #1082953 C-20 Walnut, CA Est. 2021
Vv Construction Active
License #1083193 B Walnut, CA Est. 2021
Fz Great Construction Inc Active
License #1085842 B Walnut, CA Est. 2022
126 Builders Inc Active
License #1086031 B Walnut, CA Est. 2022

Get Quotes from Walnut Contractors

Compare quotes from licensed, pre-screened contractors in Walnut. Check ratings and reviews before you hire.

Find top-rated pros in your area →

Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

↑ Back to top