1 Tom Plumber Anaheim / Brea
Coast View Plumbing And Restoration Inc
C-36Every 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 1 of 24
Coast View Plumbing And Restoration Inc
C-36Sanfer Electric Inc
C-10C-20Lensaro Inc
ABHAZ2 J's Custom Plumbing Inc
C-36American Republic Enterprises Inc
BC-17C-46D-28Designed Renovations Inc
BC-13C-23Tgfb Inc
BAlpha Construction Elite Inc
AC-7Otrambo Don Edward
C-10Ryan Danny Precision Contracting Inc
BC-21C-22HAZData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB