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VALIDATED

SOUTHWEST MOBILE STORAGE INC

Trust Score

95 Excellent
Excellent Why this score?
Company CheckSOUTHWEST MOBILE STORAGE INC · DOT 901662
1005 N 50TH ST, PHOENIX, AZ, 85008
DOT# 901662 MC# 435257 Phoenix, Arizona 22 years
CARRIER
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46
Power Units
29
Drivers
1
Crashes (24-Month)
$1,000,000
Insurance
Satisfactory
Safety Rating
74
Inspections
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Public record

6 events tracked · latest Sep 8, 2026 Show details
Safety & compliance 5
  • Jul 31, 2026
    Roadside inspection, 4 violations (no OOS).
  • Jul 6, 2026
    Roadside inspection, 1 violation (no OOS).
  • Jul 1, 2026
    Roadside inspection, 1 out-of-service violation.
  • Jun 29, 2026
    Roadside inspection, 1 violation (no OOS).
  • Mar 3, 2025
    Crash reported (no fatalities).
Insurance 1
  • Current
    Active insurance on file ($1,000,000).
Public FMCSA record · blue clean · orange change · red risk.

Company Information

Legal NameSOUTHWEST MOBILE STORAGE INC
DOT Number901662
MC Number435257
Entity TypeCarrier
Operating StatusA - Active
LocationPhoenix, Arizona
Added08/25/2000
MCS-15010/23/2025

Contact Details

Physical Address1005 N 50TH ST, PHOENIX, AZ, 85008
Mailing Address1005 N 50TH ST, PHOENIX, AZ, 85008

Operating Authorities

Authority TypePRIVATE PROPERTY;AUTHORIZED FOR HIRE
Carrier OperationA - Interstate
DocketMC435257
CommonNot Active
ContractActive
BrokerNot Active
Operating22 years

Operation Classification

Authorized For HirePrivate (Property)

SMS BASIC Scores

FMCSA safety categories, last 24 months. Above Cutoff = FMCSA flags a problem · Below cutoff = within limits · Clean = no violations.
Unsafe Driving
measure .29 · 2 insp with violations
Below cutoff
Hours-of-Service Compliance
measure 0 · 0 insp with violations
Clean
Driver Fitness
measure 0 · 0 insp with violations
Clean
Controlled Substances / Alcohol
measure 0 · 0 insp with violations
Clean
Vehicle Maintenance
measure 6.38 · 23 insp with violations
Below cutoff
Source: FMCSA SMS, updated monthly.

Mileage

Annual Mileage1,648,000 miles
Mileage Year2023
VMT SourceMCS-150 Form

Drivers

29
Interstate
0
Intrastate
0
CDL
29
Total
Interstate >100mi0
Interstate <100mi0
Intrastate >100mi0
Intrastate <100mi0

Safety Summary

Safety RatingSatisfactory
Total Crashes (24-mo)1
Fatal0
Driver OOS0.0% avg 5.5%
Vehicle OOS25.7% avg 20.7%
SmartWay PartnerNo
Last Review10/23/2019

Insurance

Amount$1,000,000
Type91X
VerifiedFMCSA · 08/18/2026
CompanyNATIONWIDE MUTUAL INSURANCE COMP
Policy #ACP BA01 3009430155
Last checked09/08/2026

Quick Facts

StatusActive
TypeCarrier
Fleet46 units
Drivers29
Mileage1,648,000 mi
Operating22 years
MCS-15010/2025

Safety & Inspection Data

Crash Summary
Total Crashes (24-mo)1
Fatal0
Injury1
Tow-Away0
Safety RatingSatisfactory
Driver Inspections
Total39
Out of Service0
OOS Rate0.0%
National Avg5.5%
Below National Average
Vehicle Inspections
Total35
Out of Service9
OOS Rate25.7%
National Avg20.7%
Above National Average
Last FMCSA Review: 10/23/2019 | Rated: 12/11/2008

Safety Trends by Year

Roadside inspections and crashes on file, year over year. The red portion of each inspection bar is the out-of-service share; ▲/▼ compares to the prior year.

Inspections · red = OOS
2023
1 · 0 OOS -
2024
13 · 3 OOS
2025
14 · 3 OOS =
2026
21 · 4 OOS
Crashes
2023
0 crashes -
2024
0 crashes =
2025
1 crash
2026
0 crashes
Based on FMCSA crash and roadside inspection records (rolling 3-year window). The latest year may be partial.

Out-of-Service Summary Last 24 months

Live FMCSA roadside inspections through Jul 2026, 38 inspections, 8 resulted in out-of-service (21.1% OOS rate).

Vehicle Out-of-Service 10 OOS
Live FMCSA roadside inspection records, refreshed monthly.

Crash Records (1)

Full crash history on file (all years), newest first. This list may show more than the headline Crashes figure above, because that figure follows the official FMCSA 24-month SMS window used for the Trust Score, older crashes still appear here for transparency.
DateLocationStateFatalInjuriesTowVehiclesWeatherRoadLight
03/03/2025 JURUPA VALLEY CA 0 1 1 2 Clear Dry Daylight

Roadside Violations by Safety Category Last 24 months

69 roadside violations across 38 inspections, grouped into FMCSA safety-behavior categories. The shaded portion shows how many were serious enough to result in an out-of-service order.

ViolationsOut-of-service
Vehicle Maintenance 61 violations · 11 OOS
Unsafe Driving 6 violations · 0 OOS
Other (General) 2 violations · 0 OOS
Categories follow FMCSR violation parts (Part 393/396 = Vehicle Maintenance, Part 395 = HOS; "Other" = general/administrative parts such as 390). Raw violation counts and out-of-service results, not FMCSA percentile rankings, which are not published for property carriers.

Inspection Records (49)

DateStateLevelLocationViolationsOOSDriver ViolDriver OOSVehicle ViolVehicle OOSHazMat
07/31/2026 CA Full (Level I) CA 4 0 0 0 4 0 - Detail
07/06/2026 CA Full (Level I) CA 1 0 0 0 1 0 - Detail
07/01/2026 CA Walk-Around (Level II) CA 2 1 0 0 2 1 - Detail
06/29/2026 CO Driver-Only (Level III) FORT COLLINS CO 1 0 1 0 0 0 - Detail
05/29/2026 CO Driver-Only (Level III) MONUMENT CO 0 0 0 0 0 0 - Detail
05/13/2026 CA Driver-Only (Level III) CA 1 0 0 0 1 0 - Detail
04/28/2026 AZ Driver-Only (Level III) GREEN VALLEY AZ 0 0 0 0 0 0 - Detail
04/07/2026 CA Walk-Around (Level II) LEBEC 0 0 0 0 0 0 - Detail
04/07/2026 CO Full (Level I) DUMONT CO 0 0 0 0 0 0 - Detail
03/24/2026 CO Walk-Around (Level II) FORT COLLINS CO 4 0 0 0 4 0 - Detail
03/20/2026 CA Full (Level I) DESERT HILLS IF 1 0 0 0 1 0 - Detail
03/17/2026 AZ Walk-Around (Level II) SEDONA AZ 0 0 0 0 0 0 - Detail
03/10/2026 CO Walk-Around (Level II) BYERS CO 2 0 0 0 2 0 - Detail
03/04/2026 CA Walk-Around (Level II) NORTH CAJON SCALES 1 1 0 0 1 1 - Detail
01/30/2026 CA Full (Level I) CARSON PLATFORM SCALES 1 0 0 0 1 0 - Detail
01/28/2026 CO Driver-Only (Level III) DUMONT CO 0 0 0 0 0 0 - Detail
01/22/2026 TX Walk-Around (Level II) US-0290 IN HARRIS CO. (706-738 2 0 0 0 2 0 - Detail
01/22/2026 AZ Walk-Around (Level II) MARANA AZ 2 0 0 0 2 0 - Detail
01/15/2026 AZ Full (Level I) CASA GRANDE AZ 5 1 0 0 5 1 - Detail
01/06/2026 AZ Walk-Around (Level II) CASA GRANDE AZ 3 1 0 0 4 1 - Detail
01/02/2026 CO Walk-Around (Level II) MONUMENT CO 0 0 0 0 0 0 - Detail
10/21/2025 CA Full (Level I) DESERT HILLS IF 5 2 0 0 5 2 - Detail
09/23/2025 AZ Full (Level I) EHRENBERG AZ 0 0 0 0 0 0 - Detail
08/29/2025 AZ Full (Level I) LITCHFIELD PARK AZ 3 0 0 0 0 0 - Detail
08/25/2025 CA Full (Level I) SAN ONOFRE NB IF 0 0 0 0 0 0 - Detail
07/30/2025 AZ Walk-Around (Level II) TUCSON AZ 1 1 0 0 0 1 - Detail
07/28/2025 CA Full (Level I) SAN DIEGO 6 0 1 0 5 0 - Detail
07/23/2025 CA Walk-Around (Level II) CARSON PLATFORM SCALES 0 0 0 0 0 0 - Detail
07/22/2025 CA Full (Level I) DESERT HILLS IF 5 2 1 0 4 2 - Detail
07/03/2025 AZ Full (Level I) DOUGLAS AZ 1 0 0 0 0 0 - Detail
07/01/2025 CO Full (Level I) PARKER CO 2 0 0 0 0 0 - Detail
06/27/2025 CA Walk-Around (Level II) CASTAIC IF 1 0 0 0 1 0 - Detail
05/15/2025 CA Full (Level I) DESERT HILLS IF 0 0 0 0 0 0 - Detail
05/09/2025 CO Walk-Around (Level II) GOLDEN CO 0 0 0 0 0 0 - Detail
05/05/2025 CO Driver-Only (Level III) DUMONT CO 1 0 0 0 0 0 - Detail
12/05/2024 AZ Walk-Around (Level II) MESA AZ 3 0 0 0 0 0 - Detail
10/11/2024 AZ Full (Level I) MESA AZ 3 1 0 0 0 1 - Detail
09/12/2024 CA Full (Level I) SR-14 NB PIT SCALE 0 0 0 0 0 0 - Detail
08/29/2024 CA Full (Level I) NB CARSON PLATFORM SCALES 0 0 0 0 0 0 - Detail
08/29/2024 CA Full (Level I) CARSON PLATFORM SCALES 3 2 0 0 3 2 - Detail
08/20/2024 CA Full (Level I) RAINBOW IF 1 1 0 0 1 1 - Detail
07/16/2024 CA Walk-Around (Level II) LIMONITE AVE. & HAMNER AVE. 0 0 0 0 0 0 - Detail
06/13/2024 CA Driver-Only (Level III) RAINBOW IF 1 0 1 0 0 0 - Detail
05/22/2024 CA Walk-Around (Level II) ONTARIO 1 0 0 0 1 0 - Detail
05/11/2024 CA Full (Level I) DESERT HILLS IF 0 0 0 0 0 0 - Detail
04/29/2024 CA Full (Level I) EB SR-91 PERALTA SCALE 2 0 0 0 2 0 - Detail
04/11/2024 CO Full (Level I) FORT COLLINS CO 0 0 0 0 0 0 - Detail
01/24/2024 CA Driver-Only (Level III) RIVERSIDE AREA 1 0 1 0 0 0 - Detail
10/05/2023 AZ Full (Level I) STATE ROUTE 202 3 0 0 0 3 0 - Detail
Detailed Inspection Report

Safety Performance Percentiles

FMCSA SMS percentile rankings. Higher percentile = worse performance relative to peers.

Total Inspections40
Unsafe Driving 2 viols
Vehicle Maintenance 23 viols

Licensing & Insurance

FormTypeInsurance CompanyPolicyCoverageEffectiveCancel DateMethod
91XBIPD/PrimaryMARKEL AMERICAN INSURANCE COMPANY1021 RS 00 3958-0$1,000,00009/07/200509/07/2012Cancelled
91XBIPD/PrimaryTRANSCONTINENTAL INSURANCE CO.1080207282$1,000,00009/07/200208/17/2005Cancelled
91XBIPD/PrimaryTRANSCONTINENTAL INSURANCE CO.1080207282$1,000,00008/17/200509/07/2005Replaced
91XBIPD/PrimaryNATIONWIDE MUTUAL INSURANCE COMPACP BA 3009430155$750,00008/16/202309/07/2024Replaced
34CARGOFIREMAN'S FUND INSURANCE CO.MZI98384033$006/03/200406/03/2008Replaced

No active insurance policies.

DocketTypeActionServedDispositionDisp Date
MC435257MOTOR PROPERTY CONTRACT CARRIERREINSTATED08/18/2023--
MC435257MOTOR PROPERTY COMMON CARRIERDISMISSED07/22/2002--
MC435257MOTOR PROPERTY CONTRACT CARRIERGRANTED07/02/2004REVOKED08/23/2005
MC435257MOTOR PROPERTY CONTRACT CARRIERREINSTATED05/09/2006REVOKED09/17/2012

No revocation records.

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