ADU Contractors in Anaheim, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Anaheim, 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
1,169 license-verified contractors based in Anaheim — page 21 of 24
Sky Rider Equipment Company Inc
AD-39Sky Technology Solutions Inc
C-10C-7Smith Mark Construction
BSmith Mark D
BC-17Sms Custom Cabinets
BSocal Repipes
C-36Solar Power Installation And Construction
BSolepacific
BC-16Sons Of Thunder Painting The West
BC-33Sorcias Builders Of Pacific
BSorrento Valley Plumbing
C-36Source One Contracting Inc
BC-36South Coast Electrical Inc
C-10South Coast Facility Services
South Coast Mechanical LLC
BC-10C-20C-36C-4South St Investments LLC
BC-10C-20C-38D-62Southern California Leak Detection
C-36Southland Leak Detection Of Orange County
C-36Southshore Homes LLC
BSouthwest Handyman Service
BSouthwest Hydrotech
Delco Service Inc
C-36Sp Holland Construction
BSpaceworx Construction
BSpecialized Environmental Inc
ASBBC-21C-22Specialty Siding
Axel Building Products Inc
BC-17D-03D-24D-41D-65Splash Plumbing
Advanced Backflow & Rooting Plumbing Inc
C-36Sps Inc
BSsd Alarm Systems
Security Signal Devices Inc
C-10C-16C-7Starr Christian M
BStmco Construction
The Moon Alliance Inc
BD-34Stone Age
Stone Age Tile Inc
BC-54C-6Stone Collector The
BStratton Construction
BStuds Building And Construction Co
BSummit Construction & Restoration Inc
BSunco Construction
Diamond Window & Door Inc
BSuncrest Construction & Repairs
Suncrest Exterminating
BSundance I Construction
BSunset Construction Company
BC-9Sunwest Electric Inc
C-10Swain Smith M
BSwank Interiors Inc
BSystems X T Inc
BC-10C-20C-38T L Construction Services
BC-51T L S Construction
BTaba Construction Co
BTag Design Build Inc
BC-33Tak Builders Inc
BTak Construction
BTarasco Apex Builders Inc
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB