Licensed Contractors in Downey, 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

B: General Building Contractor (280) A: General Engineering Contractor (30) B-2: Residential Remodeling Contractor (4)

Specialty Contractors

Show all 54 specialty classifications

Rg Drywall Construction Inc Active
License #610636 C-9 Downey, CA Est. 1991
Russell Keene Plumbing Active
License #612529 C-36 Downey, CA Est. 1991
Abe'S Plumbing Inc Active
License #613580 C-36 Downey, CA Est. 1991
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
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

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