ADU Contractors in Santa Barbara, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Santa Barbara, 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
761 license-verified contractors based in Santa Barbara — page 8 of 16
J E Villegas
BJ Kendall Design
BJ M Construction
BJ R R Electric Inc
C-10J T C
BJ W Plumbing
C-36Jack 'n Tool Box Inc
BC-33Jackson A Contracting Inc
BJacobs M W Construction
BJacobsen Builders
BJakob Electric
C-10Jcv Plumbing Inc
C-36Jed Hirsch General Building Contractor Inc
BJenkins D K Plumbing
C-36C-42Jerry The Plumber Incorporated
C-34C-36John Henderson Construction
Apex Building & Restoration Inc
BJohn Lambe Construction Inc
BJohnson James Construction Inc
BJohnston Mark Carl Construction Inc
BJones Ken Plumbing
C-36Joshua Moore Engineering
AJoshua Tree Custom Construction Inc
BJstilco
BJz Builders Corporation
BK H G Specialties
Kalon Hans Gronquist
BKaster Ted Electric
C-10Kd Constructiono Services
BKea Plumbing Inc
C-36Kelley Mike Construction Inc
ABC-8Kellow Construction Inc
BKennedy Wm Patrick Tile
BC-54Kenneth P Slaught
BKenney Construction
Kenney John Construction Inc
ABC-8Kenney Engineering Inc
AKerwood Howell Construction Inc
BKiel General Contracting
BKiesling David E Const Co
BKifer Construction
Beachside Associates Inc
BC-36Kimbell Construction
BKirkbride Construction
BKitchen Company The
BKl Plumbing LLC
C-36Klaus Graf
BKlien Electric
C-10Knight E B Construction Inc
BKnight Electric
Ryan Knight Electric Inc
C-10Kontos Paul
BKovacs Builders Inc
BKreitsek Michael Howard
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB