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 3 of 6
Gen Con Enviro Serv Group
AASBBC-12C-21C-22C-31HAZGold Standard Plumbing Services
Gold Standard Services Incorporated
C-36Gramajo's Landscape
C-27C-36D-49Granada Construction Inc
BGrecco's Construction
BGround Down Engineering
Ground Down Construction
AGuevara Josue E
BHarris Construction
BHavasu Concrete And Construction
BC-8Helping Hand Plumbing And Drain Cleaning Services
C-36Hi Desert Construction
ABHigh Desert Elite Construction Inc
BHigh Desert Fire Sprinklers
BC-16C-36High Desert General Construction Inc
BHigh Desert Plumbing And Rooter
C-36High Desert Underground Inc
AC-34High Q Construction And Restoration
BD-52Hitt Construction Co Inc
BHitt Plumbing Inc
C-36Honest Johns Underground
Honest Johns Septic Service Inc
ABC-42Housatchenko Development Co
BHoward Dean Heat & Air Inc
BC-20Huber Construction
BC-9Huerta Construction & Remodeling
BIdeal Homes
BInnovation Carpet Inc
BC-15Irwin Diane Lee
BJ & L Electrical
C-10J B Specialty Contractor
BJ D Engineering And Contracting
ABC-10J Joe Jones
C-10J N A Building Company
BJ R H Construction
BJ W D Electric
C-10J&r General Engineering Inc
AJaf Electric Inc
C-10Jazz Construction Inc
BJerry's Concrete Inc
BC-8D-06John William Vonk JR
BK E M Electric
C-10K N C Construction Inc
ABKelley's Underground Construction Inc
AKilmer Construction
BL & S Plumbing Inc
C-36L V L Framing Corp
BC-5Latanzio Electric
C-10Leal Ken Plumbing Inc
C-36LEGACY3 Contracting
BLerma Premier Construction
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB