ADU Contractors in Silverado, CA — License-Verified Contractors
Every contractor below holds an active California license with an office of record in Silverado, 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
13 license-verified contractors based in Silverado
Compendium International Inc
ABC-10C-13Estates Site Services
BFidelis Servus LLC
ABIn - Tek Construction Services
AASBBC-12C-2C-21C-50C-57HAZJ C S Group Inc
BLee Thanh Construction Inc
BMoore Brian Woodworks
C-5Muenzer Michael John
BSavoy Construction
BTristan Novotny Construction Company
BWestern Home Builders Inc
BWilson Works
BData source: CSLB public records as of November 6, 2026 · Verify any license at CSLB