Licensed Contractors in Walnut Creek, California

Walnut Creek has 584 licensed contractors registered with the California Contractors State License Board across 49 trade classifications. The most common specialties are Electrical Contractor (56), Painting and Decorating Contractor (37), Plumbing Contractor (33). 395 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 (411)
Electrical (66)
Painting (57)
Landscaping (41)
Plumbing (34)
Limited (33)
Roofing (32)
HVAC (23)
Earthwork (18)
Fire (16)
Solar (4)
Welding (4)
W E Lyons Construction Co Active
License #180607 A, B Walnut Creek, CA Est. 1959
Strand Builders Active
License #221887 B Walnut Creek, CA Est. 1963
L I G Corporation Dba Scharmer Sprinklers & Landscape Active
License #256942 C-27 Walnut Creek, CA Est. 1969
Mka Constructors Inc Active
License #262916 B Walnut Creek, CA Est. 1970
Robert Brosamer Active
License #267780 A, HAZ Walnut Creek, CA Est. 1971
Thomas Albert Seeno Active
License #281272 A, B Walnut Creek, CA Est. 1973
Busch Electric Inc Active
License #290199 C-10 Walnut Creek, CA Est. 1974
Maida Construction Company Active
License #293985 B Walnut Creek, CA Est. 1974
Neumann Construction Co Active
License #300599 B Walnut Creek, CA Est. 1974
Woznak Construction Active
License #305875 B Walnut Creek, CA Est. 1975
Mike Williams Plumbing Active
License #311842 C-36 Walnut Creek, CA Est. 1975
Hearthstone Building & Restoration Active
License #319036 B, C-10 +2 more Walnut Creek, CA Est. 1976
G E T Electric Active
License #367187 C-10 Walnut Creek, CA Est. 1978
Brunswig Electric Co Active
License #368497 C-10 Walnut Creek, CA Est. 1979
Michael H Day Const Co Active
License #376422 B Walnut Creek, CA Est. 1979
Mackay Enterprises Ltd Active
License #380087 B Walnut Creek, CA Est. 1979
Denalect Inc Active
License #382961 C-7, C-10 Walnut Creek, CA Est. 1979
Achelis Construction Company Active
License #391207 B Walnut Creek, CA Est. 1980
Steven C Black Active
License #398292 B Walnut Creek, CA Est. 1981
Rivers Plumbing Heating And Air Active
License #406446 B, C-10 +2 more Walnut Creek, CA Est. 1981
Charles A Wall Active
License #412142 A, B Walnut Creek, CA Est. 1981
M D Two Active
License #414801 B Walnut Creek, CA Est. 1981
All Wall Company Active
License #417997 B Walnut Creek, CA Est. 1982
M G Farrell Co Active
License #421460 C-10, C-33 Walnut Creek, CA Est. 1982
Robert Gardner Company Active
License #421896 B Walnut Creek, CA Est. 1982
Crouse Construction Company Inc Active
License #426650 B Walnut Creek, CA Est. 1982
H G L Construction Active
License #435571 B Walnut Creek, CA Est. 1983
Curt Riess Construction Active
License #436663 B Walnut Creek, CA Est. 1983
Western Construction Active
License #437259 B, C-13 +1 more Walnut Creek, CA Est. 1983
Lon B Williams Active
License #437820 B Walnut Creek, CA Est. 1983
Brown And Caldwell Active
License #445796 A Walnut Creek, CA Est. 1983
Crinnion Construction Inc Active
License #448999 B Walnut Creek, CA Est. 1983
Terra Nova Industries Active
License #460854 B Walnut Creek, CA Est. 1984
Gordon Reese Design Build Active
License #463153 B Walnut Creek, CA Est. 1984
M E M Engineering Active
License #463645 A Walnut Creek, CA Est. 1984
Providence Development Corporation Active
License #466413 B Walnut Creek, CA Est. 1984
Accent Sprinklers And Landscaping Active
License #467076 C-27 Walnut Creek, CA Est. 1984
Chris D Soukoulis Dba Cds Active
License #471084 B Walnut Creek, CA Est. 1985
Dave Mc Namar Construction Co Active
License #478268 B Walnut Creek, CA Est. 1985
M I C Electric Inc Active
License #479517 C-10 Walnut Creek, CA Est. 1985
J S Kendall Construction Inc Active
License #489031 B Walnut Creek, CA Est. 1986
Mary A Ramos Active
License #492317 A, HAZ Walnut Creek, CA Est. 1986
Alder Pool & Landscape Co Active
License #492439 C-27, C-53 Walnut Creek, CA Est. 1986
Comtech Electric Active
License #495622 C-10 Walnut Creek, CA Est. 1986
Donisi Landscape Construction Active
License #500006 C-27 Walnut Creek, CA Est. 1986
J F Nickels Construction Active
License #501712 B Walnut Creek, CA Est. 1986
Adam Gonzales - Builder Active
License #506507 B Walnut Creek, CA Est. 1987
Gardencrafters Landscape & Design Active
License #508892 C-27 Walnut Creek, CA Est. 1987
Diablo Rooter Active
License #510112 C-36 Walnut Creek, CA Est. 1987
Bf Datacom Inc Active
License #515342 C-7 Walnut Creek, CA Est. 1987

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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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