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 10 of 16
Martineau Development
BMartinez General Builders Inc
BMartyn Field Services Incorporated
AMason Nicholas Walter
BC-53Matic Design And Build
BMatt La Brie General Contractor
BMatthew Minkus
BMayan Landscaping
BC-27D-49Mc Allister Construction Corp
BMc Carty William H Electric Inc
C-10Mc Caslin Vernon Lamar
BMc Kean Construction
BMc Toldridge Construction Inc
BMc Williams Micah Construction
BMcquarry Construction Services
BMead J W Construction
BMelgoza Construction Company
BMelgoza Sergio
C-36Metzner Paul
BMichealsen Builders
BMichealsen Construction Co Inc
BMichel Plumbing Inc
BC-16C-36Milham Tim Development
BMillar Barton
BMiller Group Construction And Development
BMiranda Plumbing Inc
C-36Modisette Daniel Ford
BC-46Molchan Jim Construction
BMontecito Building Inc
BMontecito Custom Builders Inc
BMontecito Electric
C-10Montecito Plumbing LLC
C-36Moore Contracting Concepts Inc
BMorales Electric Inc
C-10Morales Matthew F
C-36Morales Onate Gonzalo
Gonzalo Morales Onate
BMorelos Stephen
C-34C-36Morris Lynn Contracting Inc
BMountain Construction
BC-10C-36Msm Construction
BMunoz Electric
C-10Munoz Plumbing Repair
C-34C-36Murillo Joe
C-34C-36Murray Bob General Contractor
BN Evans Construction Services LLC
BNautilus Pools
C-10C-53Nelson Construction
BNelson L J Construction
BNew Horizon Solar Electric
C-10Data source: CSLB public records as of November 6, 2026 · Verify any license at CSLB