Licensed Contractors in Los Altos, California

Los Altos has 154 licensed contractors registered with the California Contractors State License Board across 22 trade classifications. The most common specialties are Electrical Contractor (12), Landscaping Contractor (10), Plumbing Contractor (5). 122 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 (116) A: General Engineering Contractor (6)

Specialty Contractors

Show all 20 specialty classifications

T A Slack Plumbing Co Active
License #247392 C-36 Los Altos, CA Est. 1967
James R Rogers Active
License #300822 B Los Altos, CA Est. 1974
People Places Construction Active
License #353772 B, C-39 Los Altos, CA Est. 1978
James Marino Active
License #361917 B, D29 Los Altos, CA Est. 1978
Axsis Construction Co Active
License #375199 B Los Altos, CA Est. 1979
R J Dailey Construction Co Active
License #379562 B Los Altos, CA Est. 1979
Greg Paullus & Associates Active
License #421551 B Los Altos, CA Est. 1982
Wiklander Construction Active
License #467138 B Los Altos, CA Est. 1984
Los Altos Landscape Development Active
License #474772 C-27 Los Altos, CA Est. 1985
Loretz Construction Inc Active
License #481726 B Los Altos, CA Est. 1985
E T Associates Active
License #489738 B, C-10 Los Altos, CA Est. 1986
T T Construction Co Active
License #494977 B Los Altos, CA Est. 1986
Robert M Gounod Construction Active
License #495308 B Los Altos, CA Est. 1986
Haase Const Active
License #502860 B Los Altos, CA Est. 1986
Milton J Nicholas Active
License #508969 B Los Altos, CA Est. 1987
Tri City Lock Company Active
License #527534 D16 Los Altos, CA Est. 1988
Edward Berwick Active
License #535842 B Los Altos, CA Est. 1988
Schues Heating/Air Conditioning Active
License #538155 C-36 Los Altos, CA Est. 1988
Sturdy Fence Company Active
License #542867 C-13 Los Altos, CA Est. 1988
Matthew A Kansky Active
License #549008 B Los Altos, CA Est. 1988
Woodstock Builders Active
License #555991 B Los Altos, CA Est. 1989
Ag Enterprises Llc Active
License #565186 B Los Altos, CA Est. 1989
Midco Electric Active
License #567071 C-10 Los Altos, CA Est. 1989
Mclennan Construction Active
License #572745 B, C-36 Los Altos, CA Est. 1989
B G W Construction Active
License #577599 B Los Altos, CA Est. 1989
Nelson Development Inc Active
License #580215 B Los Altos, CA Est. 1989
Mec Electrical Construction Active
License #583390 C-10 Los Altos, CA Est. 1989
Keeth Building Contractors Inc Active
License #589313 B Los Altos, CA Est. 1990
New Growth Landscape And Garden Active
License #620487 C-27 Los Altos, CA Est. 1991
Rene Hardoy Inc Active
License #643337 C-27 Los Altos, CA Est. 1992
Premiere Builders Active
License #663706 B, C-10 Los Altos, CA Est. 1993
Bergman Construction Co Active
License #668572 B, C-10 Los Altos, CA Est. 1993
Butch Bland Active
License #677596 C-15 Los Altos, CA Est. 1993
Bay View Homes Inc Active
License #699311 B Los Altos, CA Est. 1994
Hense Construction Active
License #702086 B Los Altos, CA Est. 1995
Shepherd Construction Co Active
License #714710 B Los Altos, CA Est. 1995
Hammerschmidt Construction Inc Active
License #716400 A, B Los Altos, CA Est. 1995
Via Builders Inc Active
License #717805 B Los Altos, CA Est. 1996
Excel Construction & Development Inc Active
License #724415 B Los Altos, CA Est. 1996
Adria Design Build Llc Active
License #741871 B Los Altos, CA Est. 1997
Wolverton Construction Inc Active
License #742585 B Los Altos, CA Est. 1997
John Mansch Construction Active
License #747292 B Los Altos, CA Est. 1998
J A Netzel Construction Active
License #764234 B Los Altos, CA Est. 1999
Acqua Pura Pool Services Inc Active
License #766341 D35 Los Altos, CA Est. 1999
Arcune Plumbing Active
License #779298 C-36 Los Altos, CA Est. 2000
Andy'S Pool Service Active
License #779840 C-53 Los Altos, CA Est. 2000
Hps Palo Alto Inc Active
License #782552 B Los Altos, CA Est. 2000
T C H Construction Active
License #783041 B Los Altos, CA Est. 2000
Vladimir Freidin Active
License #784595 C-10 Los Altos, CA Est. 2000
E S R Construction Incorporated Active
License #806964 A, B Los Altos, CA Est. 2002

↑ Back to top