ADU Contractors in Pine Valley, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Pine Valley, 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
18 license-verified contractors based in Pine Valley
A / G General Contracting And Painting Inc
BC-33All Good Works Inc
BAntigua Builders
BB & W Construction
BBack Country Mechanical Inc
BC-20C-36Bradley William Schumacher
BCupp Plumbing
C-36Davidson Harley Construction
BC-33Hurtubise Peter Construction
BMountain Electric
C-10Priax Corporation
C-10C-7Ross James M Construction
BSan Diego Wire Nut Inc
C-10Southwest Builders
Axis Consulting Services Inc
BTgi General Engineering LLC
AUlitmate Plumbing Solutions
C-36Wespak Builders
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB