Carrier profile · USDOT 3891002 · Updated Jun 13, 2026

Tri-county Building Products of California LLC

DBA TRI-COUNTY INSULATION AND ACOUSTICAL CONTRACTORS

18 power unitsavg 5.5 yrLocal · 1 statesSANTA CRUZ, CA50/100
AUTHORITY STATUS UNKNOWNHAZMAT

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (3 trucks · 1 carriers)
Across all inspections on record: USDOT 3016051

Shares a registration email domain with other carriers

Shares a company officer with other carriers

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)18
Observed (24 mo)2
Shared w/ other carriers3

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
3ALACWD34RDVG8744View sourced platform decode27Apr 10, 2024Jun 16, 2026
3ALACWD32RDVG8760View sourced platform decode29Mar 20, 2024May 13, 2026
3ALACWDTXGDHU9853View sourced platform decode25Sep 13, 2023Feb 12, 2025

Owner / group view· confidence: email domain + officer

Owner / group view

Affiliated authorities

Collapses 113 related authorities · joined by email domain + officer

Authorities
113
Combined power
2,856
States
36
Oldest authority
Apr 18, 1989
Active now
97