Licensed Contractors in Danville, California

Danville has 334 licensed contractors registered with the California Contractors State License Board across 46 trade classifications. The most common specialties are Electrical Contractor (32), Landscaping Contractor (20), Plumbing Contractor (18). 223 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 (226)
Electrical (39)
Painting (32)
Landscaping (31)
Plumbing (22)
HVAC (22)
Limited (21)
Roofing (13)
Earthwork (7)
Fire (6)
Welding (6)
Solar (3)
Michael J Doyle Active
License #240251 B Danville, CA Est. 1966
Parshall Construction Active
License #242928 B, C-10 Danville, CA Est. 1966
H C Jensen Plumbing Inc Active
License #265318 C-20, C-36 +1 more Danville, CA Est. 1970
Victor Electric Active
License #276468 C-10 Danville, CA Est. 1972
Cadinha Landscaping & Design Active
License #279939 C-27 Danville, CA Est. 1972
California Air Inc Active
License #300798 C-20, C-43 Danville, CA Est. 1974
Don Nelson Roofing Active
License #310534 C-39 Danville, CA Est. 1975
Jacoby Painting & Sandblasting Active
License #326040 C-33 Danville, CA Est. 1976
Pool Time Active
License #327433 C-53, D35 Danville, CA Est. 1976
Beamans Inc Active
License #333377 B, C-10 +1 more Danville, CA Est. 1977
S E Bright Construction Company Active
License #339219 B, C-21 +1 more Danville, CA Est. 1977
Alex R Mathews Inc Active
License #355393 B, C-20 +1 more Danville, CA Est. 1978
Johnson Mechanical Llc Active
License #357683 C-36, C-53 Danville, CA Est. 1978
James E Roberts-Obayashi Corporation Active
License #358519 A, B Danville, CA Est. 1978
Collins Construction Active
License #360156 B, C-27 Danville, CA Est. 1978
Michael Lemaster Construction Active
License #364708 B Danville, CA Est. 1978
Sandmann Construction And Finishing Active
License #382525 B Danville, CA Est. 1979
Gayler Design Build Inc Active
License #384275 B, C-15 Danville, CA Est. 1979
Polyzos Construction Inc Active
License #388391 B Danville, CA Est. 1980
Richard B Moore Active
License #398523 B Danville, CA Est. 1981
Gil'S Plumbing Active
License #411709 C-36 Danville, CA Est. 1981
Martin & Martin Construction Active
License #418913 A Danville, CA Est. 1982
Diablo Iron & Fence Inc Active
License #418902 B, C-23 +1 more Danville, CA Est. 1982
R W Williams Construction Inc Active
License #424855 B Danville, CA Est. 1982
Lloyd E Kristof Construction Active
License #426155 B Danville, CA Est. 1982
Hi-Voltage Splicing Co Inc Active
License #427621 C-10 Danville, CA Est. 1982
Olsson Plumbing Company Active
License #443706 C-4, C-20 +3 more Danville, CA Est. 1983
Riviera Pools Active
License #449582 C-53 Danville, CA Est. 1983
Better Builders Construction Active
License #451444 B Danville, CA Est. 1984
Carlson Painting Active
License #454065 C-33 Danville, CA Est. 1984
S E Clare Construction And General Contractor Active
License #456622 B Danville, CA Est. 1984
Dan Schilling Dba Home Plumbing Active
License #460572 C-36 Danville, CA Est. 1984
Mac Phee Construction Active
License #464852 B Danville, CA Est. 1984
Brennan Construction Co Inc Active
License #466689 B Danville, CA Est. 1984
Hfa/Howard Frakes & Associates Active
License #475328 B Danville, CA Est. 1985
Technical Flooring Professionals Inc Active
License #493456 C-15 Danville, CA Est. 1986
Rod Burkholder Construction Active
License #496463 B Danville, CA Est. 1986
Environmental Cpr Inc Active
License #498511 ASB, B Danville, CA Est. 1986
Northern Lights Electric Inc Active
License #503828 C-10 Danville, CA Est. 1987
Quality Painting & Construction Active
License #507693 B, C-33 Danville, CA Est. 1987
Sierra Crest Inc Active
License #508522 B Danville, CA Est. 1987
Vandenberghe Construction Inc Active
License #510878 B Danville, CA Est. 1987
Repair -A - Medic Active
License #512689 B Danville, CA Est. 1987
Elson Painting Inc Active
License #522687 C-33 Danville, CA Est. 1988
Casale Custom Builder Active
License #525984 B Danville, CA Est. 1988
Casale Construction Active
License #526182 B Danville, CA Est. 1988
W Foster & Company Active
License #528132 B Danville, CA Est. 1988
Lewkowicz & Associates Inc Active
License #535906 B Danville, CA Est. 1988
R & J Construction Inc Active
License #539313 B, C-20 Danville, CA Est. 1988
Richard Dean Painting Active
License #540063 C-33 Danville, CA Est. 1988

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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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