Licensed Contractors in Petaluma, California

Petaluma has 891 licensed contractors registered with the California Contractors State License Board across 60 trade classifications. The most common specialties are Electrical Contractor (105), Landscaping Contractor (74), Painting and Decorating Contractor (57). 470 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 (511)
Electrical (117)
Painting (109)
Landscaping (82)
Plumbing (68)
Limited (59)
HVAC (48)
Roofing (44)
Earthwork (29)
Fire (20)
Welding (14)
Solar (4)
Midstate Construction Corporation Active
License #89455 B Petaluma, CA Est. 1946
Tri-County Heating And Sheet Metal Inc Active
License #212733 C-20, C-43 Petaluma, CA Est. 1962
Ernest Ongaro & Sons Inc Dba Ongaro & Sons Active
License #215233 C-4, C-10 +9 more Petaluma, CA Est. 1963
Henris Roofing Co Active
License #220964 C-39 Petaluma, CA Est. 1963
W K Mc Lellan Co Active
License #240701 A, C-21 Petaluma, CA Est. 1966
Oasis Pump & Drilling Active
License #242168 C-10, C-38 +1 more Petaluma, CA Est. 1966
J And M Building Specialties Inc Active
License #248675 D24 Petaluma, CA Est. 1967
Kozy Homes Active
License #262090 B, C-10 +1 more Petaluma, CA Est. 1970
Curran Environmental Services Inc Active
License #269122 A, ASB +3 more Petaluma, CA Est. 1971
Bryan Masterson Enterprises Active
License #271933 A, B +6 more Petaluma, CA Est. 1971
Adams Refrigeration Service Inc A California Corporation Active
License #279103 C-20, C-38 Petaluma, CA Est. 1972
Joe L Long Custom Builder Active
License #279674 B Petaluma, CA Est. 1972
Goltermann Construction Inc Active
License #304928 B Petaluma, CA Est. 1974
O'Brien Painting Active
License #302145 C-33 Petaluma, CA Est. 1975
Orion Homes Incorporated Active
License #316357 B Petaluma, CA Est. 1976
Aguiar Construction Active
License #319589 A Petaluma, CA Est. 1976
Bruce Allen Rettick Active
License #329285 C-7 Petaluma, CA Est. 1976
Gold Construction Active
License #332792 B Petaluma, CA Est. 1977
Robert W Von Ahn Plumbing & Electrical Contractor Active
License #334286 C-10, C-36 Petaluma, CA Est. 1977
North Bay Sunspace Inc Active
License #337713 B Petaluma, CA Est. 1977
Terry Boyer Property Active
License #338592 B Petaluma, CA Est. 1977
Ralph Tiemann Enterprises Active
License #340741 C-9 Petaluma, CA Est. 1977
Jones Garage Door Company Incorporated Active
License #345502 D28 Petaluma, CA Est. 1977
Wheeler Construction Co Active
License #346104 A Petaluma, CA Est. 1977
Goebel Construction Inc Active
License #348449 A, B +6 more Petaluma, CA Est. 1977
William James Gargan Active
License #351395 A, B Petaluma, CA Est. 1978
Anthony Bertotti Landscaping Inc Active
License #373488 A, B +1 more Petaluma, CA Est. 1979
Curtis Custom Building Active
License #376946 B Petaluma, CA Est. 1979
Cooney Construction Inc Active
License #379542 B Petaluma, CA Est. 1979
Castle Contracting Active
License #380406 B, C-6 Petaluma, CA Est. 1979
John Oliver Active
License #380756 B Petaluma, CA Est. 1979
Michael Paul Company Inc Active
License #386001 A, C-12 +2 more Petaluma, CA Est. 1979
Spurgeon Painting Inc Active
License #390008 C-33 Petaluma, CA Est. 1980
Paramount Plmg & Htg Active
License #390434 C-20, C-36 Petaluma, CA Est. 1980
David Papenhausen Active
License #396374 B Petaluma, CA Est. 1980
Nick Ryan Construction Active
License #399511 B Petaluma, CA Est. 1981
Schaefer Painting Active
License #402793 C-33 Petaluma, CA Est. 1981
Steve Clark Active
License #405900 B, C-33 Petaluma, CA Est. 1981
Prestige Finishes Active
License #406324 B, C-33 Petaluma, CA Est. 1981
D L Cameron Construction Inc Active
License #406109 B, C-8 Petaluma, CA Est. 1981
Able Fence Company Inc Active
License #409607 C-13 Petaluma, CA Est. 1981
Dea Construction Active
License #413376 B Petaluma, CA Est. 1981
Ed J Roualdes Contractor Active
License #414807 B, C-33 Petaluma, CA Est. 1981
Dixon Custom Builders Active
License #415100 B Petaluma, CA Est. 1981
De Rutte Builders Corporation Active
License #416695 A, B Petaluma, CA Est. 1982
Wedge Roofing Inc Active
License #416737 B, C-2 +3 more Petaluma, CA Est. 1982
Thomas E Bottorff General Contractor Active
License #418014 A, B Petaluma, CA Est. 1982
O F D Electric Inc Active
License #421881 C-10 Petaluma, CA Est. 1982
Mickelson Enterprises Inc Dba Jerry And Don'S Yager Pump And Well Active
License #424778 C-36, C-57 Petaluma, CA Est. 1982
R H Dias And Son Active
License #428222 B Petaluma, CA Est. 1982

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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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