Licensed Contractors in Rosemead, California
Rosemead has 233 licensed contractors registered with the California Contractors State License Board across 32 trade classifications. The most common specialties are Electrical Contractor (37), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (25), Plumbing Contractor (23). 150 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
Specialty Contractors
C-10: Electrical Contractor
(37)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(25)
C-36: Plumbing Contractor
(23)
C-33: Painting and Decorating Contractor
(7)
C-17: Glazing Contractor
(6)
C-38: Refrigeration Contractor
(4)
C-27: Landscaping Contractor
(4)
C-6: Cabinet, Millwork and Finish Carpentry Contractor
(3)
C-39: Roofing Contractor
(3)
C-8: Concrete Contractor
(3)
Irish Construction
Active
License #97962
A, C-10 +1 more
Rosemead, CA
Est. 1947
J & M Service
Active
License #259939
C-20
Rosemead, CA
Est. 1969
Mission Builders
Active
License #265251
B, C-8 +3 more
Rosemead, CA
Est. 1970
E Cardona Electric
Active
License #348252
C-10
Rosemead, CA
Est. 1977
License #396031
C-33
Rosemead, CA
Est. 1980
Premier Construction Co
Active
License #400321
B
Rosemead, CA
Est. 1981
Marvista Const Co
Active
License #408754
B, D12
Rosemead, CA
Est. 1981
Alhambra Backflow
Active
License #416044
C-36
Rosemead, CA
Est. 1981
License #441713
B, C-8 +3 more
Rosemead, CA
Est. 1983
Di-Peng Yang
Active
License #442758
B
Rosemead, CA
Est. 1983
Sunrise Construction Co
Active
License #461338
B
Rosemead, CA
Est. 1984
License #477676
C-20
Rosemead, CA
Est. 1985
Ampert Development Inc
Active
License #482800
B
Rosemead, CA
Est. 1985
Air Care Mechanical Co
Active
License #516562
B, C-20
Rosemead, CA
Est. 1987
Paul Lai
Active
License #518704
C-36
Rosemead, CA
Est. 1987
C A P Construction Co
Active
License #518707
B, C-36
Rosemead, CA
Est. 1987
T D T Contractor Inc
Active
License #521176
B, C-10 +1 more
Rosemead, CA
Est. 1987
Sunny Construction Co
Active
License #526986
B
Rosemead, CA
Est. 1988
Michael Chan
Active
License #538162
C-36
Rosemead, CA
Est. 1988
R Vq Air Systems Inc
Active
License #540093
C-20
Rosemead, CA
Est. 1988
Diaz Landscape & Nursery
Active
License #547505
C-27
Rosemead, CA
Est. 1988
License #557191
B
Rosemead, CA
Est. 1989
Tuan Nghi Diep
Active
License #568623
B
Rosemead, CA
Est. 1989
License #599254
A, D06
Rosemead, CA
Est. 1990
William Tran
Active
License #600616
B
Rosemead, CA
Est. 1990
Sevilla Electric
Active
License #602875
C-10
Rosemead, CA
Est. 1990
Metropole Construction Co
Active
License #603270
B
Rosemead, CA
Est. 1990
Leavon Development Inc
Active
License #613257
B
Rosemead, CA
Est. 1991
License #613934
B, C-10
Rosemead, CA
Est. 1991
E T Electrical Inc
Active
License #615866
C-10
Rosemead, CA
Est. 1991
J P Construction Co
Active
License #642751
B, C-10 +1 more
Rosemead, CA
Est. 1992
License #649827
C-10, C-20
Rosemead, CA
Est. 1992
Aldis Browne Construction
Active
License #650299
B
Rosemead, CA
Est. 1992
License #661359
C-20, C-38
Rosemead, CA
Est. 1992
American Tech Construction
Active
License #662300
B
Rosemead, CA
Est. 1993
Tai'S Plumbing Corp
Active
License #673382
C-36
Rosemead, CA
Est. 1993
J G M Const
Active
License #688602
B
Rosemead, CA
Est. 1994
Antonio The Drain Specialist
Active
License #693288
B, C-36
Rosemead, CA
Est. 1994
Amco Glass & Mirror Inc
Active
License #716239
C-17
Rosemead, CA
Est. 1995
T Y Construction Inc
Active
License #716679
B, C-36
Rosemead, CA
Est. 1995
Hang Truu
Active
License #730746
B
Rosemead, CA
Est. 1996
Tom F Gu
Active
License #746624
B
Rosemead, CA
Est. 1998
Otto Cuongquoc Ngoquach
Active
License #750408
B
Rosemead, CA
Est. 1998
Michael Cheng Ko Sun
Active
License #764512
B
Rosemead, CA
Est. 1999
J & M Refrigeration
Active
License #769790
C-10, C-38
Rosemead, CA
Est. 1999
Nu Way Builders
Active
License #771401
B
Rosemead, CA
Est. 1999
License #774980
B
Rosemead, CA
Est. 2000
Raymond Sooc
Active
License #776722
C-10, C-20
Rosemead, CA
Est. 2000
Pan Construction Inc
Active
License #779866
B
Rosemead, CA
Est. 2000
Henry Kyin Lun Wong
Active
License #781401
B
Rosemead, CA
Est. 2000