Licensed Contractors in Windsor, California

Windsor has 315 licensed contractors registered with the California Contractors State License Board across 51 trade classifications. The most common specialties are Electrical Contractor (45), Plumbing Contractor (26), Landscaping Contractor (26). 132 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 (149)
Electrical (49)
Painting (32)
Landscaping (30)
Limited (30)
Plumbing (29)
Roofing (16)
HVAC (15)
Earthwork (11)
Fire (7)
Welding (6)
Solar (3)
Werner Nase Jr Active
License #258630 B Windsor, CA Est. 1969
Fred Adriano Masonry Contractor Inc Active
License #302834 C-29 Windsor, CA Est. 1975
Rich Worden Masonry Active
License #325368 C-29 Windsor, CA Est. 1976
Earl Construction Co Active
License #372867 B Windsor, CA Est. 1979
Gallaher Construction Inc Active
License #419991 B Windsor, CA Est. 1982
B D Compton Construction Inc Dba Compton Construction Company Active
License #429008 B, C-51 Windsor, CA Est. 1982
Knights Electric Incorporated Active
License #432135 C-10 Windsor, CA Est. 1982
Precision Crane Service Inc Active
License #440078 D07, D36 Windsor, CA Est. 1983
Circuit Rider Community Services Active
License #457067 C-27 Windsor, CA Est. 1984
Petersen Builders Inc Active
License #476311 B Windsor, CA Est. 1985
Nor-Coast Utility Design Inc Active
License #478415 C-7 Windsor, CA Est. 1985
Landmark Associates Active
License #484150 B Windsor, CA Est. 1985
Ettlin Construction Active
License #484309 B Windsor, CA Est. 1985
Flum Construction Active
License #485669 A, B Windsor, CA Est. 1986
B E S - Brandalick Energy Service Active
License #494680 C-46 Windsor, CA Est. 1986
North Coast Waterworks Inc Active
License #498434 B, C-46 +1 more Windsor, CA Est. 1986
Euro Construction Active
License #508266 B Windsor, CA Est. 1987
Connolly Construction Active
License #508764 B Windsor, CA Est. 1987
K & P Kelly Inc Active
License #510770 A, C-21 Windsor, CA Est. 1987
R C Construction Active
License #525979 A Windsor, CA Est. 1988
Cervantes Landscaping Active
License #538804 C-27 Windsor, CA Est. 1988
Paul Carmichael Active
License #545942 B Windsor, CA Est. 1988
Keller Construction Active
License #563548 B Windsor, CA Est. 1989
Maudlin Drywall Inc Active
License #576093 C-9 Windsor, CA Est. 1989
Robert Cheyenne Warner Dba Just Floor You Active
License #576259 C-15 Windsor, CA Est. 1989
Budd Elliff Active
License #577425 D21 Windsor, CA Est. 1989
Shook & Waller Construction Inc Active
License #577955 B Windsor, CA Est. 1989
Luke'S Construction Service Active
License #590689 B Windsor, CA Est. 1990
Johnson Pools Inc Active
License #602946 C-53 Windsor, CA Est. 1990
Construction Art Active
License #608640 B, C-7 Windsor, CA Est. 1991
Azevedo Plumbing Active
License #610882 C-36 Windsor, CA Est. 1991
Peter Murray Landscaping Active
License #612634 C-27 Windsor, CA Est. 1991
North Bay Concrete Inc Active
License #622331 C-8 Windsor, CA Est. 1991
Paintmasters Llc Active
License #635615 C-33 Windsor, CA Est. 1992
Budget Landscape And Maintenance Inc Active
License #641366 B, C-27 Windsor, CA Est. 1992
Wards Tile Works Active
License #649565 C-54 Windsor, CA Est. 1992
John Dericco Construction Active
License #673413 B Windsor, CA Est. 1993
Empire Building And Restoration Inc Active
License #674617 B Windsor, CA Est. 1993
Rebich Construction Inc Active
License #675200 A, B +1 more Windsor, CA Est. 1993
Keech Painting Contractors Inc Active
License #675879 C-33 Windsor, CA Est. 1993
Waterworks Industries Incorporated Active
License #678182 A, B +4 more Windsor, CA Est. 1993
Sunshine Aquatics Inc Active
License #687129 C-53 Windsor, CA Est. 1994
Tobon'S Floor Covering Active
License #690558 C-15 Windsor, CA Est. 1994
John Borg Plumbing Incorporated Active
License #690949 C-36 Windsor, CA Est. 1994
Sunset Pools Active
License #697545 D35 Windsor, CA Est. 1994
Trans Tech Consultants Active
License #697833 A, HAZ Windsor, CA Est. 1994
Tonole Electrical Inc Active
License #699955 C-10 Windsor, CA Est. 1994
Ronald Brown Construction Active
License #699982 B Windsor, CA Est. 1994
Riverside Electric Active
License #706815 C-10, C-36 Windsor, CA Est. 1995
Windsor Painting Active
License #707643 C-33 Windsor, CA Est. 1995

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Licensing Resources

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

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