ADU Contractors in Moreno Valley, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Moreno Valley, 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
350 license-verified contractors based in Moreno Valley — page 6 of 7
Pro Co Electric
C-10R & A Tank Technologies LLC
ABR & R Engineering Co
AR A D Plumbing Inc
C-36R C C Concrete & Pipeline
AC-8R R Diesel Electric
C-10R W C Construction
BR W Electrical
C-10Ramirez Inc
BRaw Construction & Design Co
BRb Electrical Contractors Inc
C-10Real Service Plumbing Inc
C-36Red Sky Concrete Inc
BC-27C-8Reliable Construction Plus Inc
BReyes Ricardo
C-10Rice Fire Protection
AC-10C-16Rivco Contracting Inc
BC-20Rj Construction
BRocon Building Interiors
Rocon Group Inc
BRodriquez - Haslam Inc
BRojo Tech Plumbing
C-36Rondecas Plumbing & General Construction Co
BC-36Ross Andy Construction
BRoss Electric
C-10Royal Design Builders Inc
BRr Pro Synthetic Surfacing
BD-12D-34Ruiz Diversified Plumbing
C-36S V A Construction Services
BSalcedo Earthworks Inc
AC-12HAZSame Day Services Inc
BC-20C-36D-16D-35San Gabriel Valley Roofing Inc
BC-39Santacruz Enterprises LLC
BSantana General Construction Inc
BSantizo Plumbing Services
Santizo Services
BC-36Sedo Electric
C-10Semco Builders
BSerna Builders Inc
BShelby Plumbing Inc
C-36Shepard Walter Lee
BShukla Pravin
BSilnata Construction
BSilver Star Painting
Improvement Solutions Inc
BC-33So - Cal Manufactured Housing Construction Inc
BC-47So Cal Dream Construction Inc
BSo Cal Plumbing Contractors Inc
C-36Sonrise Electric Incorporated
C-10Spartek Builder
BSrp Framing
C-5Ssg Electric Inc
C-10Data source: CSLB public records as of November 6, 2026 · Verify any license at CSLB