Licensed Contractors in Hillsborough, California

Hillsborough has 23 licensed contractors registered with the California Contractors State License Board across 9 trade classifications. The most common specialties are Electrical Contractor (4), Landscaping Contractor (2), Plumbing Contractor (2). 19 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 (16) A: General Engineering Contractor (3)

Specialty Contractors

Liddell Electric Company Active
License #280299 C-10 Hillsborough, CA Est. 1972
Warren Cheung Construction Active
License #294646 B Hillsborough, CA Est. 1974
Camp Curry Construction Active
License #397946 B Hillsborough, CA Est. 1980
Art'S Plumbing Active
License #418141 C-36 Hillsborough, CA Est. 1982
Frank Costaglio Painting Active
License #523126 B, C-33 Hillsborough, CA Est. 1988
Pietro Construction Co Active
License #562969 B Hillsborough, CA Est. 1989
Beale Construction Active
License #565705 B Hillsborough, CA Est. 1989
C W K Electrical Inc Active
License #584641 C-10 Hillsborough, CA Est. 1990
Lewis Wiseman Active
License #635738 B Hillsborough, CA Est. 1992
Asia K Kan Dba A K A Construction Co Active
License #713423 B Hillsborough, CA Est. 1995
Whiley Builders Active
License #794498 B Hillsborough, CA Est. 2001
Anthony John Najib Batshon Active
License #903007 B, C-10 Hillsborough, CA Est. 2007
Thalle Construction Co Inc Active
License #939863 A Hillsborough, CA Est. 2009
A P Consulting Engineers Inc Active
License #961752 B Hillsborough, CA Est. 2011
Sissco Active
License #978345 D21 Hillsborough, CA Est. 2012
New Grove Construction Inc Active
License #981110 B, C-27 Hillsborough, CA Est. 2013
Bg Design Build Pc Active
License #982312 B Hillsborough, CA Est. 2013
Clix Systems Active
License #983258 B, C-7 +2 more Hillsborough, CA Est. 2013
Ballyfin Consulting Active
License #993219 A Hillsborough, CA Est. 2014
Pacific Heights Construction Inc Active
License #1025404 B Hillsborough, CA Est. 2017
Calvin Ng Active
License #1031040 B, C-27 Hillsborough, CA Est. 2017
Jary Llc Active
License #1147938 B, C-54 Hillsborough, CA Est. 2025
Natural Systems Utilities-Ca Inc Suspended
License #751807 A Hillsborough, CA Est. 1998

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