Licensed contractors in Ontario, California
Contractors with an active California license and a business address in Ontario (San Bernardino County). Each listing shows what the state has on file.
- J S C Gardens & Landscape
Active No insurance on file
- J S Painting CO
Active Insurance current
- J&n Maintenance Services
Active No insurance on file
- Jake Sandoval DBA Clearwater Plumbing & Construction
Active No insurance on file
- James Dekoker Electrical Contractor
Active No insurance on file
- James East Electrical INC
Active Insurance current
- Jason Jang
Active Insurance current
- Javier Tavares Ornelas
Active No insurance on file
- Jay Vee Electric INC
Active Insurance current
- Jb Power DBA Generator Supercenter of Inland Empire
Active Insurance current
- Jbm Electric CO
Active No insurance on file
- Jcc Construction
Active Insurance current
- Jcsv Builders INC
Active Insurance expired
- Jd Construction Electrical Services
Active No insurance on file
- Jdk Demo
Active Insurance current
- Je Home Construction
Active No insurance on file
- Jeffrey Andrew Renne
Active Insurance current
- Jesse Morales & Sons
Active Insurance current
- Jesse's Air Systems a / C & Heating
Active Insurance current
- Jesse's Iron Works
Active No insurance on file
- Jewel Construction INC
Active No insurance on file
- Jewels Construction INC
Active No insurance on file
- Jfp Construction Company INC
Active Insurance current
- Jimmy a General Construction INC
Active No insurance on file
- Jimmy's Tree Care INC
Active No insurance on file
- Jl Professional Tree Service Corp
Active Insurance current
- Jmd Electric
Active No insurance on file
- Jml Electric
Active No insurance on file
- Jn Construction INC
Active Insurance current
- Jnsd Construction INC
Active No insurance on file
- Jocael Palomino
Active No insurance on file
- Jod Dominguez
Active Insurance current
- Joe Landscape
Active No insurance on file
- John Fitzgerald Devine
Active No insurance on file
- John Schwab Newport Beach Deck Waterproofing
Active No insurance on file
- John Yacko
Active No insurance on file
- Johnnie Rightmer
Active No insurance on file
- Jorcast Enterprises INC
Active No insurance on file
- Jose L Diaz DBA Empire Roofing CO
Active Insurance current
- Jose Luis Palacios
Active Insurance current
- Jose Salas
Active No insurance on file
- Joseph Construction
Active No insurance on file
- Journeyman Iron Works Corporation
Active Insurance current
- Jr Landscaping
Active No insurance on file
- Julan Hao
Active Insurance current
- Julio Antonio Castillo
Active Insurance current
- Junior's Carpet & Floor Covering
Active Insurance current
- Just Everything Heating & Air INC
Active Insurance current
- Just in Time Communications INC
Active Insurance current
- Just Temperature INC
Active Insurance current
- Jvr Enterprises INC
Active Insurance current
- Jw Builders INC
Active Insurance current
- K & Z Cabinet CO INC
Active Insurance current
- K a R Construction INC
Active Insurance current
- K P Construction CO INC
Active Insurance current
- K&d Landscape INC
Active No insurance on file
- Kemcorp Construction INC
Active Insurance current
- Ken Lee
Active No insurance on file
- Kennedy Steel
Active No insurance on file
- Kingdom Flooring
Active No insurance on file
- Kisba Contracting INC
Active Insurance current
- Klaus Norbert Kraemer
Active No insurance on file
- Klear Sand
Active Insurance current
- Klondike Roof Construction Service
Active Insurance current
- Knjm Chiller Services INC
Active Insurance current
- Koguma Sweet Home
Active No insurance on file
- Kor Glass and Door LLC
Active No insurance on file
- Kormex Construction INC
Active Insurance current
- Kp Builders
Active No insurance on file
- Kyle Yang Construction
Active No insurance on file
- L D M Construction Services
Active Insurance expiring soon
- Larry Methvin Installations INC DBA Lmi
Active Insurance current
- Lassiter Construction
Active Insurance current
- Lee's General Construction Corp
Active Insurance current
- Legend Construction Services INC
Active Insurance current
- Leo Hao Liu
Active No insurance on file
- Leothacue Enterprises INC
Active No insurance on file
- Life Builders
Active No insurance on file
- Lighthouse Construction & Remodel
Active Insurance current
- Linx Construction INC
Active Insurance current
- Lionel Rodirguez
Active Insurance current
- Lloyd Electric
Active No insurance on file
- Los Angeles Fencing CO
Active Insurance current
- Los Serrano Construction
Active No insurance on file
- Louie the Pool Technician
Active Insurance current
- Louis Joseph Enriquez
Active No insurance on file
- Low Volt INC
Active Insurance current
- Lozano Marble Granite & Tile
Active Insurance current
- Lr Masonry INC
Active Insurance current
- Ls Construction
Active No insurance on file
- Ls Rack INC
Active Insurance current
- Lssi LLC
Active Insurance current
- Lucio's Landscaping INC
Active No insurance on file
- Luevano Elite Electric LLC
Active No insurance on file
- Luis Drywall
Active No insurance on file
- Luisa Margarita Jimenez Herrera
Active No insurance on file
- Lujano Electric
Active No insurance on file
- Luna's Garage Doors INC
Active No insurance on file
- Luxedge Electric
Active Insurance current
- Lvl Construction INC
Active Insurance current
Last checked against state records on Oct 4, 2026. How we get this data.