Licensed Contractors in Livermore, California

Livermore has 763 licensed contractors registered with the California Contractors State License Board across 65 trade classifications. The most common specialties are Electrical Contractor (110), Plumbing Contractor (62), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (52). 368 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 (400)
Electrical (148)
Painting (81)
Limited (79)
HVAC (77)
Plumbing (70)
Roofing (67)
Landscaping (64)
Earthwork (38)
Fire (29)
Welding (12)
Solar (5)
Niles Electric Company Active
License #168342 C-10 Livermore, CA Est. 1957
J & M Inc Active
License #176709 A Livermore, CA Est. 1958
Red Top Electric Co Emeryville Inc Active
License #187698 B, C-7 +1 more Livermore, CA Est. 1959
Polishedcrete Active
License #242104 C-8 Livermore, CA Est. 1966
Miller'S Air Conditioning & Heating Active
License #253756 C-10, C-20 Livermore, CA Est. 1968
Tucknott Electric Co Active
License #272838 A, ASB +3 more Livermore, CA Est. 1971
Mission City Rebar Inc Active
License #273978 C-50 Livermore, CA Est. 1972
Fremont Paving Company Inc Active
License #279637 A Livermore, CA Est. 1972
Sansei Gardens Inc Active
License #291612 A, C-8 +1 more Livermore, CA Est. 1974
Power Systems Testing Co Active
License #306378 C-10 Livermore, CA Est. 1975
Sposeto Engineering Inc Active
License #310292 A, C-8 Livermore, CA Est. 1975
Architectural Glass & Aluminum Co Inc Active
License #313758 B, C-17 +1 more Livermore, CA Est. 1975
Ross Mc Donald Company Inc Active
License #314333 B, D34 Livermore, CA Est. 1975
G & K Carpets Inc Active
License #328485 C-15 Livermore, CA Est. 1976
Ok Heating And Air Conditioning Inc Active
License #332447 C-20, C-43 Livermore, CA Est. 1977
Carefree Toland Pools Inc Active
License #334958 C-53 Livermore, CA Est. 1977
Quartaroli Construction Co Active
License #353641 B Livermore, CA Est. 1978
Sherman D Balch Active
License #355488 B Livermore, CA Est. 1978
Kares Construction Inc Active
License #374120 B Livermore, CA Est. 1979
Sunrise Construction Co Active
License #377252 B Livermore, CA Est. 1979
Moran Roofing And Inspection Company Inc Active
License #382400 B, C-39 Livermore, CA Est. 1979
Contract Floor Coverings Inc Active
License #385256 B, C-15 +1 more Livermore, CA Est. 1979
Kerry Taylor Active
License #388080 B Livermore, CA Est. 1980
Magnum Construction Active
License #390246 B Livermore, CA Est. 1980
J D General Construction Inc Active
License #391749 A, B +8 more Livermore, CA Est. 1980
Golden State Landscaping Active
License #393345 A, B +2 more Livermore, CA Est. 1980
Earl Ising Inc Dba Culligan Water Conditoning Active
License #398975 C-55 Livermore, CA Est. 1980
Spacetone Acoustics Inc Active
License #397494 B, C-2 +1 more Livermore, CA Est. 1981
All-Guard Alarm Systems Inc Active
License #398874 C-7, C-10 Livermore, CA Est. 1981
G S E Construction Company Inc Active
License #401498 A, B +4 more Livermore, CA Est. 1981
Laser Security Systems Inc Active
License #404142 C-7 Livermore, CA Est. 1981
Pacific Rim Plumbing Inc Active
License #404372 C-36 Livermore, CA Est. 1981
Smart Energy Upgrade Co Active
License #405505 B, C-17 Livermore, CA Est. 1981
Tritek Construction Inc Active
License #410182 B, C-5 +1 more Livermore, CA Est. 1981
Vintage Roofing Active
License #411617 C-39 Livermore, CA Est. 1981
Marina Mechanical Services Active
License #416198 C-2, C-4 +5 more Livermore, CA Est. 1981
Forrest Bodily Active
License #421652 B Livermore, CA Est. 1982
Mountain Cascade Inc Active
License #422496 A, HAZ Livermore, CA Est. 1982
David Keith Nelson Active
License #423899 B Livermore, CA Est. 1982
Kollias Construction Company Active
License #425152 A, B Livermore, CA Est. 1982
Vision Scapes & Associates Inc Active
License #432659 C-27 Livermore, CA Est. 1982
Randazzo Constructions Inc Active
License #433590 B Livermore, CA Est. 1983
Pacheco Landscape & Construction Inc Active
License #435415 A, C-27 +1 more Livermore, CA Est. 1983
Evans Brothers Inc Active
License #443018 A, B +2 more Livermore, CA Est. 1983
J M O'Neill Inc Active
License #447618 B Livermore, CA Est. 1983
Mcgrath Rentcorp Active
License #450299 B Livermore, CA Est. 1983
Ezell'S Telephone Company, E-Z Tel Inc Active
License #452985 C-7 Livermore, CA Est. 1984
Ahboltin Construction Inc Active
License #456781 B Livermore, CA Est. 1984
Calco Fence Inc Active
License #458341 C-13 Livermore, CA Est. 1984
Green Valley Group Active
License #458951 A, C-27 Livermore, CA Est. 1984

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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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