Licensed Contractors in Danville, California
Danville has 333 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), Painting and Decorating Contractor (17). 221 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: February 20, 2026.
Contractors by Classification
General Contractors
B: General Building Contractor
(193)
A: General Engineering Contractor
(24)
B-2: Residential Remodeling Contractor
(4)
Specialty Contractors
C-10: Electrical Contractor
(32)
C-27: Landscaping Contractor
(20)
C-33: Painting and Decorating Contractor
(17)
C-36: Plumbing Contractor
(17)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(16)
C-53: Swimming Pool Contractor
(11)
C-15: Flooring and Floor Covering Contractor
(10)
C-7: Low Voltage Systems Contractor
(7)
D35: Pool and Spa Maintenance
(7)
C-43: Sheet Metal Contractor
(5)
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
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
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
License #358519
A, B
Danville, CA
Est. 1978
Collins Construction
Active
License #360156
B, C-27
Danville, CA
Est. 1978
License #364708
B
Danville, CA
Est. 1978
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
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
License #456622
B
Danville, CA
Est. 1984
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
License #475328
B
Danville, CA
Est. 1985
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
License #507693
B, C-33
Danville, CA
Est. 1987
Sierra Crest Inc
Active
License #508522
B
Danville, CA
Est. 1987
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