ADU Contractors in Murrieta, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Murrieta, 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
529 license-verified contractors based in Murrieta — page 6 of 11
Joshua Nadav
BJoshua Yaron
BJw Engineering Inc
AK M Construction
BKairos Construction
BKasa Nandor Construction Co
BKb Plumbing & Remodeling Inc
BC-36Keen Energy Inc
C-10Kelco Builders Inc
BC-17Kennedy Brian Construction
BKennedy/jenks Consultants Inc
AKip Incorporated
AKlr Engineering Inc
AKonakis Plumbing
Konakis LLC
C-36Kontiki Construction Services
BL M C & Associates
BC-36La Cresta Holdings Inc
ABC-10C-39C-46La Rue Jim
BC-21D-52Lamp Of Faith Electric
C-10Land Mike Construction Inc
BLatchford Brian K
BC-39Laursen Electrical Contractors Inc
C-10Ld Electrical Services
C-10Lee Billy Joe
BLee Construction
BLegacy Construction & Design
BLeonhart Steven Thomas
BLEOSPLUMBING24SEVEN
C-36Level Up Contracting Inc
BLiberty Plumbing Heating & Air Conditioning Inc
C-20C-36Lighthouse Plumbing
C-36Lions Den General Constrution Inc
BLittle Electric
C-10Liu Yonghong
C-10Lj - 21 Construction & Design Studio Inc
BLJ-21 Construction & Design Studio
BLlewellyn Lynn Electric
C-10Locke John Charles
BC-27Lopez Raul Plumbing Service Inc
C-36Louies Plumbing, Heating & Air
Jorge Arenas
C-20C-36Low Cost Heating And Air Conditioning Inc
C-20C-36Lowe Electrical Contractors
C-10Lucky Leak Plumbing
Mcminn Construction Inc
BC-36C-8M J S Plumbing
C-36M W D Specialists
Windowfits.com
BC-6Mac's Property Services
BMag Wire Electric
C-10Mako Construction
BMaples & Associates Inc
ABData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB