ADU Contractors in Apple Valley, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Apple 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
286 license-verified contractors based in Apple Valley — page 5 of 6
Quality Plumbing
AC-36Quality Plumbing Services
C-36Quandt Enterprises Inc
BR & A Electric Technology
C-10R & J Electric
C-10R Houston Builders
BR J & G's Construction Inc
BR J Henson Construction
BRam Development
BRaygoza Jaime J
BRedwood Plumbing And Engineering Inc
AC-36Refined Mechanical Plumbing Inc
C-36Renn Construction Inc
BRenn Gregory R
BReyes Electrical Services
C-10Rivas Constructive Services & Maintenance LLC
BRivera Construction
BRocca Company
BRocca Construction
BRocca Corp
BRocca J Company Inc
BRock Edge Construction
BD-28Roland Engineering Inc
ARoto-rooter Plumbers And Septic Service
T.r. Stewart Corporation
AC-36C-42Ryan's Custom Flooring
BC-15C-54Ryan's Plumbing
C-36S A General Contracting And Remodel
BS A Plumbing & Repair
C-36S G Construction
BC-10S W Roberts Construction
BSage Constructors
ASciens Av Communications Division
Apple Valley Communications Inc
C-10C-7Scott's Electric LLC
C-10Sevillanos Framing
C-5Shattles Clayton Construction
Clayton Shattles Constructiohn
BShelton Construction
Shelton Wireless Communications LLC
BSiebert Electric
C-10Simpson Construction
BSmith Richard Clarence
BD-28Socal Compliance Services Inc
AHAZSparkys Electrical & P V
C-10Spectrum West Builders
BSpektra Electric Co
C-10Spiker's Grading And Excavating LLC
ASR Villa Construction Inc
BStraight Line General Building Contractors
Straight Line Infrastructure's LLC
BSTRUCTURED1 Inc
BSubstation Solutions Inc
ABHAZSuperior Well Drilling
BC-57Data source: CSLB public records as of November 6, 2026 · Verify any license at CSLB