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 13 of 24
Klean Plumbing Inc
C-36Koala Design & Build LLC
BKoh Koh Plumbing
C-36Kohler Travis Tile Contracting
BC-54Kore Construction
BC-10C-36C-39Koshi Darin Takeshi
BC-54Kpc Construction
BKrause Construction
BKuskie Frank
BL F M Construction Inc
BL G Electric
C-10L S Construction
BL U Electric Inc
BC-10Labonte Plumbing Inc
C-36Lai Thang
BC-10C-36Lam Tinh
BLam Viet
BLamarc Prime Builders Inc
BLanning George Development
BLarry's Glass & General Contracting Inc
BC-17Laslo Construction And Design LLC
BLcb General Construction Services LLC
BLegacy One Builders
Legacy One Systems Inc
BLegacy Pro Plumbing
C-36Legendary Calrep Windows And Doors
Legendary Group Incorporated
BC-17Lehrbass General Contractors
BLenar Construction
ABC-10Lenora Plumbing Company
C-36Leo General Construction Service
BLet There Be Light Electric Inc
C-10Levon Construction Group Inc
ALewis Carl Co
BLezco Plumbing
C-36Lincoln Construction Corporation
ALindley Fire
Expedite Fire Inc
AC-10C-16C-34Lindley Systems Alarm Inc
C-10Linear Plumbing Inc
C-36LINK4 Corporation
C-10Linzaga Construction Inc
BLiquid Plumbing Inc
C-36Liscum & Associates
BLlp Power Electric
C-10Llt Construction Inc
ABLocalized Plumbing
Localized Plumbing Heating And Air Inc
C-36Lof Construction
BC-29Lonestar Construction Inc
BC-29C-35C-39D-39Lopez Ortiz General Contractor
BLos Gavilanes Electric Inc
C-10Lovineh Design And Construction Group
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB