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 7 of 11
Mark Kerr Electric
C-10Marshman Construction Inc
BC-2C-9Masterflow Plumbing And Drain
C-36Mathison Robert III
AMatrix Construction Services
D C C Companies Inc
BC-10C-36Maxx Systems
C-10Mc Coy Construction
ABMcmullen Michael Enterprises Inc
BMedina Renovation & Construction Inc
BMejia Construction
BMiko Mountain Lion Inc
ABMiller Precision Construction
BC-6Mining & Development Management Inc
AModerno Inc
BC-27Monteleone Michael Nicholas SR
ABMontoya Billy Jo Able Construction
BMoonhill Construction Inc
BMora C E
BC-10Morgan Brothers Construction
Am Customs LLC
BMossa Jesse
BC-6Moulton Shanon U
BMr Electric Of Murrieta
Too Bright For Shades LLC
C-10Mullen Construction Company
BMunford Electric
C-10Murrieta Pool Company
C-10C-53Murrieta Valley Construction
BMurrieta Valley Plumbing Inc
C-36Mw Industrial
Fountain Heating And Air Conditioning Inc
C-10C-20My Install Guy
Protekton Inc
BC-36Nadeaus M
ANagel Joel
BC-15C-54D-12Netschke Larry
BC-20New Day Solar
C-10C-46Next Level Construction Services Inc
ABC-8HAZNext Level Up Remodeling LLC
BNice Restoration Inc
BNicholson David Construction
BNighthawk Integrated Services
ABNimmo Construction
BNixc Construction
BNolasco Bros Plumbing Inc
C-36D-64Nootbaar Plumbing Inc
BC-36C-4Nuenergy Atlanta Electrical
C-10Nxt Lvl Electric
C-10O C Home Improvement
BC-47Ohana Plumbing Inc
C-36Old Town Construction And Restoration
BOld Town Kitchen & Bath LLC
BOlde Towne Construction
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB