Licensed Contractors in Monrovia, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (165)
Electrical (49)
Plumbing (32)
Painting (31)
Landscaping (31)
Limited (23)
HVAC (21)
Earthwork (16)
Roofing (9)
Welding (8)
Fire (7)
Solar (2)
R J L Electrical Active
License #555636 C-10 Monrovia, CA Est. 1989
I J Rager Floor Covering Inc Active
License #568171 C-15 Monrovia, CA Est. 1989
Martin Construction Active
License #574945 A, B Monrovia, CA Est. 1989
Karl E Pearson Active
License #578614 B Monrovia, CA Est. 1989
R J Collins Plumbing Co Inc Active
License #583305 C-36 Monrovia, CA Est. 1989
Robyn Eric Pender Active
License #583971 C-10 Monrovia, CA Est. 1989
Johnssons Plumbing Service Active
License #586319 C-36 Monrovia, CA Est. 1990
Custom Woodworking Active
License #595207 C-6 Monrovia, CA Est. 1990
Quality Craft Home Improvement Active
License #596849 B, C-54 Monrovia, CA Est. 1990
Scott A Bednar Construction Active
License #597543 B Monrovia, CA Est. 1990
Carl Maertens Active
License #601255 B, C-36 Monrovia, CA Est. 1990
Chris Walters Construction Active
License #611019 B Monrovia, CA Est. 1991
Rocket Plumbing Active
License #612976 C-36 Monrovia, CA Est. 1991
S P Construction Active
License #613529 B Monrovia, CA Est. 1991
General Development Group Active
License #619507 B Monrovia, CA Est. 1991
Century Sewer Services Active
License #626528 C-36, C-42 Monrovia, CA Est. 1991
Complete Painting & Restoration Active
License #627160 C-33 Monrovia, CA Est. 1991
Laret Construction Active
License #628688 B Monrovia, CA Est. 1991
John W Allen Active
License #641272 C-36 Monrovia, CA Est. 1992
Wildrose Landscape Active
License #641885 C-27 Monrovia, CA Est. 1992
Concept Builders Active
License #643751 B Monrovia, CA Est. 1992
M J And L Construction Active
License #646286 B Monrovia, CA Est. 1992
Spaeth Construction Company Active
License #655551 B Monrovia, CA Est. 1992
Barsam Construction Active
License #663904 B Monrovia, CA Est. 1993
Paul Albrecht Active
License #665654 B Monrovia, CA Est. 1993
Michael G Flaaten Active
License #670444 C-10 Monrovia, CA Est. 1993
Rod Construction Managers Active
License #671634 B, C-10 Monrovia, CA Est. 1993
Perry C Thomas Construction Inc Active
License #672532 A Monrovia, CA Est. 1993
Aryco H V A C Active
License #673436 C-20 Monrovia, CA Est. 1993
Carlson Construction And Remodeling Active
License #681122 B Monrovia, CA Est. 1993
Daniel A Fedorka Active
License #686355 B Monrovia, CA Est. 1994
Raffi'S Metal Design Active
License #687467 B, C-23 Monrovia, CA Est. 1994
Garvey Roofing Company Incorporated Active
License #692839 B, C-2 +2 more Monrovia, CA Est. 1994
The Koi Pond Active
License #694430 C-27 Monrovia, CA Est. 1994
Bakewell Construction Active
License #700071 B Monrovia, CA Est. 1994
Kirton Construction Active
License #700992 B Monrovia, CA Est. 1995
Peter A Kirsch-Korff Active
License #701028 B Monrovia, CA Est. 1995
Wagner Refrigeration Active
License #703697 C-38 Monrovia, CA Est. 1995
S H Plumbing Heating & Air Conditioning Active
License #707018 C-20, C-36 Monrovia, CA Est. 1995
Sullivan Construction Active
License #708490 B Monrovia, CA Est. 1995
Proficient Electric Active
License #709483 C-10 Monrovia, CA Est. 1995
Chelsea Construction Corp Active
License #710035 B Monrovia, CA Est. 1995
Westport Construction Inc Active
License #712732 B Monrovia, CA Est. 1995
Daniel Howard Ham Active
License #712773 B Monrovia, CA Est. 1995
R C Masonry Active
License #714667 C-29 Monrovia, CA Est. 1995
Pratt Cooling & Heating Inc Active
License #715545 C-20 Monrovia, CA Est. 1995
Chm Construction Active
License #724419 B Monrovia, CA Est. 1996
Ever Clear Pool And Spa Maintenance Active
License #725227 D35 Monrovia, CA Est. 1996
Pipeman Active
License #740665 C-36 Monrovia, CA Est. 1997
Mountain Aire Services Active
License #742211 B, C-10 +2 more Monrovia, CA Est. 1997

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
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