Contractors in RANCHO CUCAMONGA, CA

920 licensed · 12 trades · Last verified 2026-08-31

RANCHO CUCAMONGA, California has 920 contractors with a current state license as of 2026-08-31. The most listed trades here are electrical & lighting, hvac, plumbing. Each listing is verified against California CSLB records and shows its license number and expiry date.

Trades in this city

Electrical & Lighting

Painting & Drywall

Concrete, Masonry & Driveways

Roofing & Gutters

Landscaping & Hardscaping

Kitchen & Bath Remodeling

Windows & Doors

Solar & Energy Upgrades

Insulation & Weatherization

General Builder

Nearby

LOS ANGELES 6,376 SAN DIEGO 5,758 SAN JOSE 4,904 SACRAMENTO 3,990 SAN FRANCISCO 3,779 BAKERSFIELD 2,651 RIVERSIDE 2,611 FRESNO 2,472

License data from state licensing authorities, refreshed on each state’s own schedule; every listing names the register it came from. Place data © OpenStreetMap contributors, ODbL. Nothing here is purchased, estimated, or user-submitted. How we get our data