Licensed Contractors in Downey, California

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

Contractors by Trade

Building (330)
Electrical (104)
Painting (63)
Plumbing (56)
Roofing (38)
HVAC (35)
Limited (29)
Welding (19)
Earthwork (14)
Fire (12)
Landscaping (11)
Solar (4)
New Wave Door & General Construction Active
License #616384 B, D28 Downey, CA Est. 1991
United Maintenance & General Contracting Active
License #624659 B Downey, CA Est. 1991
Majestic Wood Works Inc Active
License #625529 C-6 Downey, CA Est. 1991
Pauls Concrete Inc Active
License #629220 B, C-8 Downey, CA Est. 1991
Alfonso Barajas Active
License #633240 C-10 Downey, CA Est. 1991
Specialized Business Systems Inc Active
License #634814 D24, D34 Downey, CA Est. 1992
Ovidio Diaz Active
License #636137 B Downey, CA Est. 1992
Pacific Power Engineering Technology Inc Active
License #645405 A, B +3 more Downey, CA Est. 1992
Ragusa Plumbing Heating & Air Conditioning Active
License #651553 C-36 Downey, CA Est. 1992
Roofing Plus Co Active
License #656855 B, C-39 Downey, CA Est. 1992
Ebenezer Construction Active
License #657529 B Downey, CA Est. 1992
J B Construction Active
License #657928 B Downey, CA Est. 1992
C C Machinery Service Co Active
License #658118 C-8, C-10 Downey, CA Est. 1992
Donate'S Boiler Corporation Active
License #663324 C-4, C-36 Downey, CA Est. 1993
Pulido'S Construction Active
License #663370 B Downey, CA Est. 1993
A & G Sales Active
License #664063 C-13 Downey, CA Est. 1993
Galvez Glass Service Active
License #671648 C-17 Downey, CA Est. 1993
Shawnan Active
License #679962 A, B Downey, CA Est. 1993
Martir Contracting Inc Active
License #685437 B Downey, CA Est. 1994
M D Plumbing Active
License #688243 C-36 Downey, CA Est. 1994
Gutierrez Taurus G Construction Active
License #695850 B Downey, CA Est. 1994
Valdovinos Construction Active
License #699888 B Downey, CA Est. 1994
Mercy Builders Active
License #701618 B Downey, CA Est. 1995
A D Improvements Inc Active
License #704437 A, ASB +5 more Downey, CA Est. 1995
D D Installation Active
License #706559 B Downey, CA Est. 1995
Jose A Magana Active
License #707057 B Downey, CA Est. 1995
Cal West Lighting Services Inc Active
License #712704 C-10 Downey, CA Est. 1995
Marquis Roofing Inc Active
License #718573 C-39 Downey, CA Est. 1996
Mark Anthony Plumbing Active
License #720060 C-36 Downey, CA Est. 1996
Jar General Contractor Active
License #721766 B Downey, CA Est. 1996
St George Construction Co Active
License #725074 B Downey, CA Est. 1996
J Abad Construction Active
License #728841 B Downey, CA Est. 1996
Downey Plumbing Heating & Air Conditioning Co Inc Active
License #731172 C-20, C-36 Downey, CA Est. 1997
Gmp Builders Inc Active
License #731568 B Downey, CA Est. 1997
Javier Loya Active
License #731681 B, C-36 Downey, CA Est. 1997
Ramirez Construction Co Active
License #731838 C-9 Downey, CA Est. 1997
Jose M Herrera Electric Active
License #736250 C-10 Downey, CA Est. 1997
Royal Construction & Development Active
License #741918 B Downey, CA Est. 1997
Greene'S Rework Active
License #742483 B Downey, CA Est. 1997
Vinnie'S Plumbing Active
License #743581 C-36 Downey, CA Est. 1997
Hamid Rahmanipour Active
License #744418 B Downey, CA Est. 1998
Medina Construction Active
License #750626 B, C-36 Downey, CA Est. 1998
Salvador Cornejo Floor Covering Active
License #756409 C-15 Downey, CA Est. 1998
Pin Roofing Inc Active
License #758000 C-39 Downey, CA Est. 1999
Elite Concrete Restoration Inc Active
License #758300 D06, D12 Downey, CA Est. 1999
Strickland Construction Active
License #759227 A, B +2 more Downey, CA Est. 1999
Cook Brothers Insulation Company Active
License #762205 C-2 Downey, CA Est. 1999
L J Construction A Partnership Active
License #762389 B, C-36 Downey, CA Est. 1999
Ivy Electric Active
License #764553 C-10 Downey, CA Est. 1999
Chapin H C J Electric Inc Active
License #767382 C-10 Downey, CA Est. 1999

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Licensing Resources

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

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