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 12 of 24
James Electric Inc
BC-10C-21James Lecourt Plumbing
Advanced Backflow & Rooting Plumbing Inc
C-36James Lee
BC-27Jamg Bailon Construction Corp
BJas Construction Inc
BJb Bostick LLC
AC-12Jb Fire Protection Inc
C-16C-34C-36Jcor Plumbing & General Contractor Anaheim
J Cor Construction
BC-10C-36Jds Remodeling & Construction Inc
BJessica Fitzmaurice
BJg & Son Construction
BJigga Watt Electric
C-10Jimenez Daniel Engineering
AJlrr Construction
BJm Brothers Electric Inc
C-10Jmi Electric
C-10Jmx Electrical Inc
C-10Johersan General Construction
BC-27Jots Hoa Construction Services
C&n Construction Services Inc
BC-13C-29C-53C-8Jp Prime Inc
C-36Jport Construction
BK & K Construction And Janitorial
BK & M Construction
Shondi Inc
BK B E C Inc
BC-20K B Kitchens, Floors & Furniture Inc
BK L S Building Corporation
BK N Construction
BK R Commercial Interiors Inc
BK&a Homes Construction
Main Table Inc
BKahuna Comfort Plumbing Heating & Air
Homex Plumbing & Rooter Inc
C-20C-36C-42Kairos Electric And Construction
BKaiser Foundation Health Plan Inc
BKang's Electric
BC-10Kap Equipment Inc
ABKaraki Wsc
Western States Construction Inc
ABKarcher Environmental Inc
ASBBC-21C-22HAZKayekjian Armen
BKedin L Construction Inc
BC-10Keenan Hopkins Suder & Stowell Contractors Inc
BC-35C-9D-50D-64Kennedy Bruce Inc
BC-33Kenneth K Park
BKensicki Company The
BKeq Construction Engineering
BKeystone Builders Inc
BKim James Young
BKirby David J
BKitchen And Bath Design Center Inc
BKitchen Bathrooms Remodeling Inc
BKitchen Cabinets And Beyond Inc
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB