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State files updated Nov 1, 2026

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California general contracting licenses

General Contractors in Ontario

234 businesses in Ontario hold an active California general contracting license in the CSLB file dated Nov 1, 2026. 21 got licensed in the past year, 48% have held a license 10 years or more and 62 have a workers' comp exemption on file.1

General Contractors in Ontario, page 2 of 3

BusinessClassLicensed sinceStatus
Groundbreaking Design BuildingB2022Active
Guerrero ElginA2023Active
H D C Construction IncB + C9, C542002Active
HDZ Construct IncB2025Active
HDZ Construction IncB2025Active
Heritage Design & Build LLCB + C102025Active
Heritage Design Build And ConsultingB + C102014Active
Herron Construction IncB1990Active
HHS Construction LLCA, B + C7, C10, C312003Active
High Ridge Construction IncB + C332017Active
High Speed Rooter And Plumbing IncA + C10, C20, C36 +12016Active
Hillwood Construction Services Of California L PB2005Active
Hiyawill Construction IncB2026Active
HR Garcia Construction IncB2019Active
Hy Global LLCB2020Renew by Dec 31, 2026
Iegb Home Builders IncB2026Active
Inland Design BuildA, B2015Active
Inter-City Energy Systems IncB + C10, C20, C361990Active
Interior Experts General Builders IncB + C91992Active
Island Construction & MaintenanceB + C10, D40, HAZ1993Active
Island Petroleum Builders IncB + C10, D40, HAZ2000Active
J & J Industrial ServicesB + C10, D21, D282002Active
J P Addison Construction IncB2017Active
J&N Maintenance ServicesB2025Active
Ja Construction IncB2019Active
JCSV Builders IncB2025Active
Jewel Construction IncB2008Active
Jewels Construction IncA1999Active
Jewett W H IncB + C82012Active
JFP Construction Company IncB2011Active
JN Construction IncA, B + C10, C16, C20 +12015Active
JNSD Construction IncB + C10, C16, C362021Active
Jorcast Enterprises IncB1989Renew by Dec 31, 2026
JW Builders IncB2016Active
K A R Construction IncB + C81990Active
K P Construction Co IncB + C8, C512001Active
Kemcorp Construction IncA, B2009Active
Kormex Construction IncA + C272021Active
Kornerstone ConstructionB2026Active
KP BuildersB + C512013Active
L D M Construction ServicesB + D342011Active
La Barge J P Construction ManagementB1999Active
Lee's General Construction CorpB2019Active
Legend Construction Services IncB + C8, C392018Active
Leothacue Enterprises IncA, B2017Active
Linx Construction IncB2021Active
LVL Construction IncB2021Active
M & R Construction Services IncB + C8, C27, C291987Active
M J Pacific IncA2019Active
Marlu ConstructionA, B + C82011Active
MC Ghee Construction IncA, B + C82006Active
McGee Thomas Development IncB2024Active
MCQ Construction IncB2025Active
Mega Construction LLCB2025Active
Mendoza Home RemodelingB22023Active
Metro RF Services IncB + C7, C102007Active
Moonlite ConstructionB2014Active
Moore United Construction IncB + C10, C15, C541999Active
Moreno's Construction IncB2022Active
Murguia Construction IncB1999Active
Myco ConstructionB + C17, C20, C27 +22005Active
Navona PlacemakingB2026Active
Neff Construction IncB2001Active
Next Level Contractors IncB2022Active
Nolte R W Construction IncB2018Active
Pac Builders CorpB2023Active
Parkcrest Construction IncB1990Active
Pascal & Ludwig Constructors IncA, B + HAZ1979Active
PBS Construction Service LLCB2021Active
Pennco Construction Group IncB2012Active
Perera Construction & Design IncB1990Active
Power Grade IncA + C102009Active
Powerhouse Grading IncA2008Active
Practicore Solutions IncA2025Active
Prefab Granite & Tile Depot IncB + C542012Active
Premier Paving IncA + C121992Active
Prime Construction Services IncB2013Active
Prime Renovate IncB + C272021Active
Primebore Directional Boring CorpA + C72004Active
Proffitt Excavating IncA2010Active
Progressive Fueling Construction IncA + HAZ2007Active
Project Countertops Company IncB + C542016Renew by Dec 31, 2026
Project X Developer IncB2023Active
Property Builders Concepts & Maintenance IncB2011Active
Q A T General ConstructionB2022Active
Quality Framing JC IncB2026Active
R C A Construction Clean Up IncB + C9, D632014Active
R3 PaintingB + C331998Active
Ramirez Construction Services IncB2016Active
Red & Purple IncB2022Active
Rema BuildersB + C10, C292025Active
Rico IncB + C332004Active
Riggio Construction IncB2002Active
Right Call Services IncB2026Active
Riptide IndustriesA2019Active
Robert Alan Construction IncA + C82016Renew by Dec 31, 2026
Rockwall Construction CompanyB2000Active
Rodriguez Brothers Engineering IncA + C421993Active
S C M Construction IncB2009Active
Shark General Building IncB2024Renew by Dec 31, 2026

More licensed contractors near Ontario

Sources

  1. CSLB License Master (cslb.ca.gov, Nov 1, 2026)
  2. Contractors State License Board (CSLB)