SOUTHWEST MOBILE STORAGE INC
USDOT 901662
Active, interstate carrier, mid-size fleet (46 power units) — safety rating: satisfactory.
Vetting summary
At a glance
- Out-of-service rate25% vs 19.1% national avg
- Crashes (24 months)1 reported — involvement does not imply fault
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 | 901662 |
|---|---|
| MC Number | MC-435257 |
| Legal Name | SOUTHWEST MOBILE STORAGE INC |
| DBA Name | — |
| Entity Type | — |
| Phone | 6022574484 |
| Address | 1005 N 50TH ST, Phoenix, AZ, 85008 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Interstate |
| Safety Rating | S — Satisfactory (rated 20081211) |
| 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.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 0 / 100 |
| Driver Fitness | 0 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 82 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 40 |
|---|---|
| Out-of-Service Rate | 25% vs 19.1% national average |
| Crashes | 1 total (0 fatal, 1 with injuries, 1 towaway) |
- 2025-03-03 — CA — 1 injured, towaway
- 2023-07-20 — CA — towaway
Most frequent violation categories: 20 (17), 16 (9), 28 (7).
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) | 46 |
|---|---|
| Drivers | 29 |
| Recent Annual Mileage | 1,870,000 |
| Last MCS-150 Filing | 23-OCT-25 |
SOUTHWEST MOBILE STORAGE INC operates 46 power units — a larger fleet than 99% of carriers registered in AZ.
Nearby
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Browse all carriers in Phoenix, AZ or all AZ carriers.