ADU Contractors in Borrego Springs, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Borrego Springs, 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
19 license-verified contractors based in Borrego Springs
Back Country Electric
Farley David
C-10Big Drip Plumbing
C-36Borrego Electric
C-10Borrego Springs Construction
BC-36Chelgren Developers
BD & G Quality Construction Inc
BD & G Quality Engineering Inc
AFredericks Issac
AGehring M Const
BHall Wj Construction
BHoward W Mann
Mann W Howard
BC-33Laidlaw Plumbing
BC-36M L E Construction
BMeeks Construction Corporation
BN E B Construction
BNative Electrical Construction Inc
ABC-10C-20Salvin Construction
BSanta Rosa & Sons Construction
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB