Licensed Contractors in Glendora, California

Glendora has 448 licensed contractors registered with the California Contractors State License Board across 51 trade classifications. The most common specialties are Electrical Contractor (73), Plumbing Contractor (35), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (33). 237 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (253)
Electrical (88)
HVAC (38)
Painting (38)
Limited (38)
Plumbing (37)
Landscaping (33)
Roofing (19)
Earthwork (16)
Fire (8)
Welding (3)
Solar (2)
Seidner Construction Co Active
License #214890 B Glendora, CA Est. 1963
Collett Construction Co Active
License #272341 B Glendora, CA Est. 1971
Stewart J Lamb Dba Lamb & Sons Construction Co Active
License #275545 B Glendora, CA Est. 1972
Ross D Oswald Active
License #294143 C-10 Glendora, CA Est. 1974
Cypress Heating & Air Conditioning Active
License #302865 C-20, C-36 +1 more Glendora, CA Est. 1975
The Lopez Group Corp Dba Lopez Engineering Active
License #305971 A Glendora, CA Est. 1975
Romart Development Active
License #330756 B Glendora, CA Est. 1977
Pioneer Construction Company Active
License #354045 B, C-33 Glendora, CA Est. 1978
Stump Fence Co Active
License #361065 C-13 Glendora, CA Est. 1978
Pine Bark Construction Active
License #361856 B Glendora, CA Est. 1978
Dowd Industries Corporation Active
License #380611 C-39 Glendora, CA Est. 1979
Russo Construction Company Active
License #382741 B Glendora, CA Est. 1979
Glendora Plumbing & Heating Inc Active
License #388123 C-20, C-36 Glendora, CA Est. 1980
Floyd Auten Electric Inc Active
License #394877 C-10 Glendora, CA Est. 1980
Richard D Gorden Active
License #400164 C-15 Glendora, CA Est. 1981
Anderson Reconstruction Inc Active
License #403642 B Glendora, CA Est. 1981
Gayton Painting Active
License #407196 C-33 Glendora, CA Est. 1981
Jack Ricci Active
License #411837 C-36 Glendora, CA Est. 1981
California Commercial Pools Inc Active
License #415172 B, C-53 Glendora, CA Est. 1981
Interstate Electrical Contractors Active
License #415324 C-10 Glendora, CA Est. 1981
Echo Fire Protection Co Active
License #429191 C-16 Glendora, CA Est. 1982
Roset Construction Active
License #449219 B, C-10 Glendora, CA Est. 1983
Bruce F Dougherty Active
License #454435 B Glendora, CA Est. 1984
John Lee Starkey Active
License #455197 B Glendora, CA Est. 1984
Landworks Landscape Active
License #460158 C-27 Glendora, CA Est. 1984
Crestwood Corporation Active
License #460320 B Glendora, CA Est. 1984
Arroyo Hardwood Floors Active
License #461313 C-15 Glendora, CA Est. 1984
Barney Ellis Cole Active
License #464015 B, D28 Glendora, CA Est. 1984
James Ross Robertson Active
License #467070 B Glendora, CA Est. 1984
Tuzzolino Enterprises Active
License #469219 B Glendora, CA Est. 1985
Steven C Haines Dba Haines Electric Active
License #471488 C-10 Glendora, CA Est. 1985
Clean Air Testing Inc Active
License #474291 D40, HAZ Glendora, CA Est. 1985
R E S Construction And Electric Active
License #474535 B, C-10 Glendora, CA Est. 1985
Carpet Touch Active
License #476460 C-15 Glendora, CA Est. 1985
David Reid Development Active
License #484474 B Glendora, CA Est. 1985
Tellmen Electric Active
License #486155 C-10 Glendora, CA Est. 1986
Pabon Construction Company Active
License #488615 B Glendora, CA Est. 1986
J D Goss Construction Company Inc Active
License #495609 B, C-8 Glendora, CA Est. 1986
Felix-Electrical Contractor Active
License #496886 C-10 Glendora, CA Est. 1986
Vinski Floor Covering Active
License #502703 C-15 Glendora, CA Est. 1986
Corona Aluminum Co Active
License #502986 C-17, D24 Glendora, CA Est. 1986
K C'S Electric Active
License #512108 C-10 Glendora, CA Est. 1987
Curtis R Elliott Construction Active
License #514543 B Glendora, CA Est. 1987
Daniel Joseph Casciato Active
License #515613 B Glendora, CA Est. 1987
Keith A New Construction Inc Active
License #519169 B Glendora, CA Est. 1987
King Unlimited Active
License #523208 C-20 Glendora, CA Est. 1988
Fulham Landscape Services Active
License #523265 C-27 Glendora, CA Est. 1988
Rick Peterson General Contractor Inc Active
License #529155 B Glendora, CA Est. 1988
J - K Insulation Company Inc Active
License #531108 C-2 Glendora, CA Est. 1988
Positive Plumbing Inc Active
License #540754 B, C-16 +1 more Glendora, CA Est. 1988

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
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