Licensed Contractors in Diamond Bar, California

Diamond Bar has 305 licensed contractors registered with the California Contractors State License Board across 39 trade classifications. The most common specialties are Electrical Contractor (46), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (33), Plumbing Contractor (25). 192 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Local dataset stamp: N/A. Verify current status before hiring.

Find a trade in Diamond Bar

Search all matching records in this city.

Building & structure Electrical & low voltage HVAC & mechanical Plumbing & water Painting & finishes Landscaping & outdoor Fire & safety Limited specialties Roofing & exterior Earthwork & concrete Solar & energy Welding & fabrication
G Miller Development Co Active
License #325200 B Diamond Bar, CA Licensed since 1976
Joe Clifton Tile Contractor Inc Active
License #401939 C-54 Diamond Bar, CA Licensed since 1981
Richard L Baugh Dba Cornerstone Construction Co Active
License #427183 B, C-9 Diamond Bar, CA Licensed since 1982
Dolores K Martin Active
License #430320 C-27 Diamond Bar, CA Licensed since 1982
A E D Contractors Active
License #441036 A, B +2 more Diamond Bar, CA Licensed since 1983
Adams Electric Active
License #448001 C-10 Diamond Bar, CA Licensed since 1983
A W Pirelli Active
License #463755 B Diamond Bar, CA Licensed since 1984
Kertland Roofing Inc Active
License #510174 B, C-39 Diamond Bar, CA Licensed since 1987
Jay Arora Active
License #512179 B, C-54 Diamond Bar, CA Licensed since 1987
Place Construction & Development Inc Active
License #515653 A, ASB +6 more Diamond Bar, CA Licensed since 1987
Edward Caruso Electric Active
License #529763 C-10 Diamond Bar, CA Licensed since 1988
Henry'S Custom Painting Active
License #530987 C-33 Diamond Bar, CA Licensed since 1988
Ace Iron Works Active
License #539620 C-23 Diamond Bar, CA Licensed since 1988
Perspective Landscaping Inc Active
License #541581 B, C-27 Diamond Bar, CA Licensed since 1988
All About T-Bar Active
License #570421 C-2 Diamond Bar, CA Licensed since 1989
Tetra Tech Bas Inc Active
License #572017 A, C-57 +1 more Diamond Bar, CA Licensed since 1989
Good Tidings Construction Inc Active
License #577154 B Diamond Bar, CA Licensed since 1989
Mac Refrigeration And Air Conditioning Co Active
License #580557 C-20 Diamond Bar, CA Licensed since 1989
Oxford Painting Active
License #580795 C-33 Diamond Bar, CA Licensed since 1989
Gregory George Shockley Active
License #584514 B Diamond Bar, CA Licensed since 1990
M T Quality Construction Active
License #586957 B, C-33 Diamond Bar, CA Licensed since 1990
Atlantic Air Conditioning Inc Active
License #613226 C-20 Diamond Bar, CA Licensed since 1991
Jay'S Plumbing Active
License #622850 C-36 Diamond Bar, CA Licensed since 1991
Joe Cledera Ablay Active
License #629389 B Diamond Bar, CA Licensed since 1991
Ace Rodil Heating And Air Conditioning Active
License #631042 C-20 Diamond Bar, CA Licensed since 1991
Duke Builders Corp Active
License #635180 B Diamond Bar, CA Licensed since 1992
M D B Design Associates Active
License #653762 B Diamond Bar, CA Licensed since 1992
Master Painting Co Active
License #658145 C-33 Diamond Bar, CA Licensed since 1992
Chyr-Shin Paul Tsao Active
License #670052 C-10 Diamond Bar, CA Licensed since 1993
Arkius Inc Active
License #673454 B Diamond Bar, CA Licensed since 1993
C S D M Inc Dba Cal Steam Company Active
License #674646 C-4, C-20 +1 more Diamond Bar, CA Licensed since 1993
Monair Contractors Active
License #677543 B, C-10 +1 more Diamond Bar, CA Licensed since 1993
G C Plumbing Active
License #681446 C-36 Diamond Bar, CA Licensed since 1993
Todd Michael Halstead Active
License #685211 B, C-10 Diamond Bar, CA Licensed since 1994
Cfp Construction Inc Active
License #700920 B Diamond Bar, CA Licensed since 1995
Power Painting Inc Active
License #711007 C-33 Diamond Bar, CA Licensed since 1995
Hsu - Da Wang Active
License #712058 B, C-6 Diamond Bar, CA Licensed since 1995
Professional Tile Installation Active
License #712185 C-54 Diamond Bar, CA Licensed since 1995
Jae H Lim Active
License #721424 C-27 Diamond Bar, CA Licensed since 1996
Hardy Landscape Active
License #734646 C-27 Diamond Bar, CA Licensed since 1997
C - Thirty - Six Inc Active
License #739644 B, C-36 Diamond Bar, CA Licensed since 1997
I S Firepro Active
License #740006 C-16 Diamond Bar, CA Licensed since 1997
Tasco Pacific Fire Protection Active
License #750602 C-10, C-16 Diamond Bar, CA Licensed since 1998
Jh Builder And Remodeling Inc Active
License #751479 B, C-16 +1 more Diamond Bar, CA Licensed since 1998
D R O - West Construction Active
License #754069 B Diamond Bar, CA Licensed since 1998
Sunshine Roofing Inc Active
License #755126 C-39 Diamond Bar, CA Licensed since 1998
Jorge Lambarena Active
License #759138 B Diamond Bar, CA Licensed since 1999
Zip Renovation & Air Active
License #762505 B, C-10 +3 more Diamond Bar, CA Licensed since 1999
Post Electric Company Inc Active
License #768204 C-10 Diamond Bar, CA Licensed since 1999
Hsueh Yu Liao Active
License #769733 B, C-10 +1 more Diamond Bar, CA Licensed since 1999

Planning a project in Diamond Bar?

Explore local contractor options for your project. Continue on Angi to describe your project and request quotes.

Compare quotes on Angi → Affiliate partner. We may earn a commission.

Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

↑ Back to top