Mars Construction Industries Corp
ADU Cities' own design-build team — we design it, permit it, and build it.
CSLB #1138550 · A · B · C-36 · C-20
Building ADUs across Los Angeles, Orange, Riverside, San Bernardino, San Diego & Ventura counties
License Facts (CSLB Record)
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #1138550 |
|---|---|
| Classifications | A — General Engineering · B — General Building · C-36 — Plumbing · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning |
| Office of record | 1119 W Collins Ave Orange, CA 92867 |
| Phone | 888.627.1131 |
| Contractor bond | $25,000 — American Contractors Indemnity Company |
| Workers' comp (CSLB record) | Workers' Compensation Insurance — Technology Insurance Company Inc |
| License issued | June 9, 2025 |
| License expires | June 30, 2027 |
Service Area
Los Angeles CountyADU contractors →Orange CountyADU contractors →Riverside CountyADU contractors →San Bernardino CountyADU contractors →San Diego CountyADU contractors →Ventura CountyADU contractors →Santa Barbara CountyADU contractors →San Luis Obispo CountyADU contractors →Kern CountyADU contractors →Imperial CountyADU contractors →