ADU Contractors in San Clemente, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in San Clemente, 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
478 license-verified contractors based in San Clemente — page 10 of 10
Trestles Toolworks LLC
C-10Trette Jacob Meyer Construction
BTriton Air Inc
C-20C-36Tucci Construction
BTuder James Micheal
BTurner Greg Construction
BTyler J Construction
BV C I Framing Inc
BC-5V K Electric
C-10Valdez Construction
BVanguard Security Systems Inc
C-10Vaughn Builders Inc
BVaughn David Construction Inc
BVesque Voltage LLC
C-10Walker William
BWeld David A
BWelty Gary Construciton
BWestern States Construction Management Group
BWestway Development Services Inc
BWhitaker Thomas W And Associates
BWilliams Scott R
BWills Drake Gregory
C-36Wilt Eric Construction
BYeilding Fred Gen Contractor
BYoung Bruce Builders Inc
BYour Home Plumber
Future Solutions Integrated Inc
C-36Yoways Robert Electric
C-10Data source: CSLB public records as of November 6, 2026 · Verify any license at CSLB