SOUTHBAY TRANSPORT INC

Calexico, CA · Intrastate (Non-Hazmat) · 1 power unit · Not rated · USDOT since Dec 15, 2008 (17 years)

Do not book until these are resolved · 1 signal

How risk signals work

At least one fact in the FMCSA record should stop a booking until it is cleared up. Confirm the current record on Motus first; it is not a finding of wrongdoing. Authority and insurance are last known from May 14, 2026.

  • Operating authority is inactive (last known)Without active authority the company may not haul or broker interstate freight for hire.
Confirm on Motus ↗ Call (760) 618-9226 Safety: SAFER ↗
Operating authority
Last known: Inactive
MC723987: Contract carrier inactive
Last known · FMCSA snapshot May 14, 2026
Liability insurance (BI&PD)
None on file
Not required without active authority
No cargo cover filed with FMCSA
Last known · FMCSA snapshot May 14, 2026
Vehicle out-of-service rate
19.5%
16 of 82 vehicle inspections · California avg 19.8%
FMCSA inspections · Oct 19, 2024 – Oct 19, 2026

Green means the FMCSA record shows it. It does not confirm who you are talking to, or that a policy covers your specific load.

Not a live check. FMCSA has not published a Motus record for this carrier, so authority and insurance show the last known status from May 14, 2026. Confirm on Motus ↗ before booking.

Confirm on Motus ↗Call

Operating authority

MC723987 Last known · FMCSA snapshot May 14, 2026

Contract carrier
Contract Carrier
Inactive

Last known status. This authority record comes from the FMCSA snapshot of May 14, 2026, the last one published before FMCSA moved registration to Motus. It may have changed since. Confirm current authority: Motus record for USDOT 1837973 ↗

Insurance on file

No insurance filings were found in the public FMCSA data for this carrier.

Check: Motus record for USDOT 1837973 ↗

Roadside inspections Oct 19, 2024 – Oct 19, 2026

89inspections
19.5%vehicle out-of-service
16 of 82 · California avg 19.8%
0.0%driver out-of-service
0 of 89 · California avg 6.3%
161violations written on inspection reports
10 most recent inspections
DateStateLevelViolationsOut of service
Oct 28, 2025CA23No
Oct 25, 2025NM20No
Oct 23, 2025TX34No
Oct 21, 2025CA30No
Oct 13, 2025CA22No
Oct 2, 2025CA30No
Oct 1, 2025CA10No
Sep 23, 2025CA10No
Sep 18, 2025CA12Yes
Sep 15, 2025CA10No
How these rates are calculated

Period: Oct 19, 2024 – Oct 19, 2026. Vehicle rate = vehicle inspections with a vehicle out-of-service order ÷ vehicle inspections (levels 1, 2, 5 and 6). Driver rate uses levels 1, 2, 3 and 6. The California average covers 398,742 vehicle and 510,354 driver inspections of all California-based carriers in this period. It mixes every type of operation, so compare with care; rates based on a handful of inspections say little. FMCSA's own SMS measures are weighted differently: SMS profile ↗ · SAFER snapshot ↗

Violations in FMCSA's SMS last 24 months

158 violations counted in FMCSA's Safety Measurement System (SMS), 24 of them serious enough to put the driver or vehicle out of service.

Why is this different from the 161 violations above?

The inspections section's number counts every violation written on the inspection reports in our Oct 19, 2024 – Oct 19, 2026 window. The SMS count comes from FMCSA's own monthly SMS snapshot, which uses its own 24-month window and only the violations it scores. Both are FMCSA figures; they measure different things.

Category (FMCSA BASIC)ViolationsOut of serviceShareCalifornia share
Vehicle Maintenance1162073.4%71.7%
Hazardous Materials Compliance27417.1%0.3%
Hours-of-Service Compliance704.4%16.6%
Driver Fitness402.5%3.2%
Unsafe Driving402.5%8.0%
10 most frequent violations
ViolationTimesOut of service
Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998
Brakes All Others · Vehicle Maintenance · code 39355EB
170
Washers - Inoperative washing system.
Windshield/ Glass/ Markings · Vehicle Maintenance · code 39378AWS
90
Air Brake - Audible air leak at a proper connection
Brakes All Others · Vehicle Maintenance · code 39345DB
60
Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 1997 and each single unit CMV on or after 1998.
Brakes All Others · Vehicle Maintenance · code 39355D1B
50
HM (Highway Carriage) - Driver accepted/transported HM not prepared in accordance with this Subchapter. Explain
HM Other · Hazardous Materials Compliance · code 177801HMHCNP
40
Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle.
Brakes All Others · Vehicle Maintenance · code 39355D2B
40
Failing to correct the violation(s)/defect(s) noted on the roadside inspection report
Inspection Reports · Vehicle Maintenance · code 3969D2FTF
40
Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS
Tires · Vehicle Maintenance · code 39375A3TAOL
33
HM (Markings) - Failing to mark a manual remote shut-off device as required
Documentation - HM · Hazardous Materials Compliance · code 172328DHMM
30
HM (Testing) - Failing to properly mark cargo tank test dates as required
Package Testing - HM · Hazardous Materials Compliance · code 180415HMTMC
30

Source: FMCSA SMS violation file, inspections in the last 24 months, published Oct 19, 2026. "Share" is this company's mix of violations; the California column is the mix across all California-based carriers, so you can see which kinds of problems stand out. A high count partly reflects fleet size and how often trucks are inspected.

Crashes Oct 19, 2024 – Oct 19, 2026

No reportable crashes in this period.

Company details FMCSA census · Oct 19, 2026

USDOT number1837973
MC / docketMC723987
Legal nameSOUTHBAY TRANSPORT INC
OperationIntrastate (Non-Hazmat)
Business type—
Power units1
Drivers1
Annual mileage280,000 (2025)
HazmatYes
Safety ratingNot rated (no compliance review on record)
USDOT number addedDec 15, 2008 · 17 years ago
Last MCS-150 updateMar 30, 2026

Cargo carried

General FreightMachinery, Large ObjectsLiquids/GasesChemicalsOtherLube Oil,Asphalt

Change history

No changes to name, contact details, authority or insurance since we started tracking on Oct 18, 2026. We compare every company's FMCSA record each day.

to see it on your watchlist when something changes.

Questions about SOUTHBAY TRANSPORT INC

What does SOUTHBAY TRANSPORT INC's operating authority allow?

FMCSA records show no active operating authority for SOUTHBAY TRANSPORT INC (MC723987), so it may not haul regulated interstate freight for hire or broker loads under these dockets.

Which information about SOUTHBAY TRANSPORT INC is old or missing?

Operating authority is the last known status from the FMCSA snapshot of May 14, 2026, not a current check. No insurance filings were found in the public data. FMCSA has not issued a safety rating, which means no compliance review is on record, not that the carrier is unsafe.

What should I verify before booking SOUTHBAY TRANSPORT INC?

Confirm the authority and insurance on the Motus record for USDOT 1837973. Call the company back on the phone number on file, (760) 618-9226, not a number from an email or load board message. Check that the MC number the dispatcher gave you matches MC723987, and ask the insurer for a certificate of insurance naming you as holder, with cargo coverage that fits your load.

Company details from the FMCSA Company Census File (Oct 19, 2026). Inspections and crashes from FMCSA MCMIS files. About our data · Report an error on this page (how corrections work).

Page generated 2026-10-20 03:40 UTC.