ADU Contractors in Guadalupe, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Guadalupe, verified against CSLB public data as of November 6, 2026: general builders — A (General Engineering) and B (General Building), the classifications that can build an ADU — and the licensed trades ADU construction uses, C-10 Electrical, C-36 Plumbing and C-5 Framing & Rough Carpentry. Listings are alphabetical; the featured builder is labeled, never ranked.
ADU rules — setbacks, size limits, parking, and fees — are set by the local jurisdiction and change often. Before you hire, read the ADU permit process guide and the Southern California ADU cost guide, and verify any license free at CSLB.
Mars Construction Industries Corp
ADU Cities' own design-build team
CSLB #1138550 · A · B · C-36 · C-20
Building ADUs across Los Angeles, Orange, Riverside, San Bernardino, San Diego & Ventura counties
14 license-verified contractors based in Guadalupe
Bluetec Home Remodeling
Bluetec Innovations LLC
BCreative Roofing
Riggs Home Builders
BC-39Evangelista's Construction
BH-m Construction
BIndustrial Farm Electric Service
C-10J Andrew General Construction Inc
BMario's Remodeling And General Contracting
BRamirez Construction
ASolid Coast Construction
BTd Electric
Drexhage Tom
C-10Upstream Plumbing Repair
C-36Water Works Plumbing & Water Specialists
C-36Zepeda Engineering Inc
AData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB