Licensed Contractors in Monrovia, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.
Contractors by Classification
General Contractors
Specialty Contractors
C-10: Electrical Contractor
(36)
C-36: Plumbing Contractor
(29)
C-27: Landscaping Contractor
(19)
C-33: Painting and Decorating Contractor
(18)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(17)
C-7: Low Voltage Systems Contractor
(12)
C-53: Swimming Pool Contractor
(11)
C-8: Concrete Contractor
(10)
C-15: Flooring and Floor Covering Contractor
(8)
C-35: Lathing and Plastering Contractor
(6)
Rokni Electric Company Inc
Active
License #554336
A, C-10
Monrovia, CA
Est. 1989
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
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
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
Brown - United Inc
Active
License #646890
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
License #672532
A
Monrovia, CA
Est. 1993
Aryco H V A C
Active
License #673436
C-20
Monrovia, CA
Est. 1993
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
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
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
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
License #725227
D35
Monrovia, CA
Est. 1996
Pipeman
Active
License #740665
C-36
Monrovia, CA
Est. 1997