SOUTHWEST STONE LLC
USDOT 4074885
Active, intrastate (non-hazmat) carrier, small fleet (3 power units) — no FMCSA safety rating on record (common). Insurance filings show 1 coverage gap in this carrier's history.
Vetting summary
At a glance
- Insurance on filePioneer Specialty Insurance Company
- Coverage gaps1 in filing history
- Out-of-service rate0% vs 19.1% national avg
- Authority ageGranted 12 months ago
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 4074885 |
|---|---|
| MC Number | MC-1748797 |
| Legal Name | SOUTHWEST STONE LLC |
| DBA Name | — |
| Entity Type | — |
| Phone | 2066593604 |
| Address | 5820 147TH PL NE, Marysville, WA, 98271 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Filings
Insurance
| Current Insurer | Pioneer Specialty Insurance Company |
|---|---|
| Coverage on File | $750,000 |
| Insurance on File Since | 2026-05-20 |
1 coverage gap detected in filing history.
| Insurer | Coverage | Form | Effective | Cancelled |
|---|---|---|---|---|
| Pioneer Specialty Insurance Company | $750,000 | BMC-91X | 2026-05-20 | — |
| UNITED FINANCIAL CASUALTY COMPANY | $1,000,000 | BMC-91X | 2025-08-05 | 2026-07-10 |
Timeline
Authority history
| Authority First Granted | 2025-09-11 Authority less than 2 years old |
|---|---|
| Authority Events on Record | 2 |
- 2025-09-11 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED
- 2026-07-10 — Revoked — Motor Carrier of Property (Except Household Goods) Operating Authority Involuntary Suspension Notice
Safety events
Inspections & crashes (last 24 months)
| Inspections | 1 |
|---|---|
| Out-of-Service Rate | 0% vs 19.1% national average |
Most frequent violation categories: 30 (4), 19 (2), 24 (2).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 3 |
|---|---|
| Drivers | 2 |
| Recent Annual Mileage | 80,000 |
| Last MCS-150 Filing | 23-MAR-26 |
SOUTHWEST STONE LLC operates 3 power units — a larger fleet than 77% of carriers registered in WA.
Nearby
Other carriers in Marysville, WA
- MANN & CIE LLC — USDOT 3744444, 5 power units
- I HAUL FREIGHT LLC — USDOT 3771166, 5 power units
- HOUSER FAMILY LLC — USDOT 4093459, 5 power units
- NEW LIFE ROCKERIES LLC — USDOT 3789398, 4 power units
- SMART TRANSPORTATION LLC — USDOT 3886662, 4 power units
Browse all carriers in Marysville, WA or all WA carriers.