Fleet typeIdentity
Owner-operator
1 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1837973 · MC-723987
SOUTHBAY TRANSPORT INC
1 power unitsavg 12.9 yrRegional · 5 statesCALEXICO, CA
CARRIER ACTIVEMC-723987 ACTIVEHAZMAT
Observed fleet · trailing 24 mo daily
1Power units
20 observed · MCS-150
32Trailers seen
Decoded · vPIC
12.9Avg age (yr)
1997–2024 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Review before loading
Operating, but with flags a broker should weigh before tendering freight.
Established 18 yearsOut-of-service rates below national averageNo active operating authority
Operating authority1717 yr active
since 2008Insurance (BIPD)Unknown
FMCSA L&IVehicle OOS · 24mo21.321.3 %
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
12.9 yr
Model years 1997–2024 · peer benchmark computing.
Identity stabilityStable
17 yr unchanged
Same registration since 2008 — no chameleon / reincarnation signal.
AI readFull read
Is SOUTHBAY TRANSPORT INC safe to work with?
Is SOUTHBAY TRANSPORT INC safe to load? SOUTHBAY TRANSPORT INC (USDOT 1837973, MC-723987) is an active owner-operator motor carrier based in CALEXICO, CA, operating 1 power unit and 1 driver. Operating authority has been active 17 years (past the 24-month broker-confidence threshold). Across 141 roadside inspections, its vehicle out-of-service rate is 21.3% (below the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it review before loading (82/100), with the leading concern: no active operating authority. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
STSOUTHBAY TRANSPORT INC 82
01
Safety
141 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 21.3% (24-mo)94 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 1.0% (24-mo)102 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
8.7% now▼ Improving
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈51.0 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
- Registered power units
- 1
- Inspections · 24 mo
- 102
- Annualized
- ≈51 / yr
- Coverage
- ≈51.0 inspections / unit · yr
Violation themes· decoded · grouped by BASIC
What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.
- 393.55 Antilock brake system (ABS)Vehicle Maintenance35
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving28
- 393.78 Windshield wipersVehicle Maintenance15
- 396.3 Inspection / repair / maintenance not performedVehicle Maintenance14 · 6 OOS
- 393.11 Required lamps/reflectors missingVehicle Maintenance14
- 393.45 Brake tubing / hose defectsVehicle Maintenance13
- 393.9 Inoperative required lampsVehicle Maintenance11 · 1 OOS
- 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance8
- 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance8 · 8 OOS
- 178.345 Other violationOther8
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Inactive
- Broker
- None
Insurance & bonds
BIPD / liability (required)Not on file
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$1M BIPD · 8 insurers · 1 lapseCoverage lapse
+6 earlier
Hudson · 11–14
National Liability · 14–16
Federated · 16–19
Hallmark · 21–23
Starstone National · 23–25
20102025
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
11 insurer eras · collapsed from 25 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| STARSTONE NATIONAL INSURANCE COMPANY | Nov 2023 → Nov 2025 | $1M | 4 |
| HALLMARK INSURANCE COMPANY | Nov 2021 → Nov 2023 | $1M | 2 |
| NATIONAL LIABILITY & FIRE INS CO. | Nov 2020 → Nov 2021 | $1M | 3 |
| UNITED FINANCIAL CASUALTY COMPANY | Sep 2020 → Nov 2020 | $1M | 2 |
| NATIONAL LIABILITY & FIRE INS CO. | Sep 2019 → Sep 2020 | $1M | 1 |
| ARCH INSURANCE COMPANY | Sep 2016 → Oct 2016 | $1M | 2 |
| FEDERATED MUTUAL INSURANCE CO. | Sep 2016 → Sep 2019 | $1M | 1 |
| ARCH INSURANCE COMPANY | Aug 2016 → Sep 2016 | $1M | 2 |
| NATIONAL LIABILITY & FIRE INS CO. | Aug 2014 → Aug 2016 | $1M | 4 |
| HUDSON INSURANCE COMPANY | Aug 2011 → Aug 2014 | $1M | 1 |
| WESCO INSURANCE COMPANY | Aug 2010 → Aug 2011 | $1M | 3 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 1
- Observed power (24 mo)
- 20
- Trailers (towed)
- 32
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2024
Newest model yr
1997
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 5 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed44
US statesInspections · 24 mo6262
CA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
CALEXICO, CA
Top corridor
CA
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Last 12 months: 6 trucks also ran under 3 other carriers
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 3302407USDOT 4016411USDOT 1203373Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (33 trucks · 19 carriers)
Across all inspections on record: USDOT 3260169USDOT 4027419USDOT 4080012USDOT 4146874USDOT 4172614USDOT 2894017USDOT 2897314USDOT 3089559
Shares a company officer with other carriers
george benheretz — 2 carriers: USDOT 3122916
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)2020
Shared w/ other carriers3333
Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 233 AVENIDA CAMPILLO, CALEXICO, CA, 92231
- Operation
- Intrastate (Hazmat)· Hazmat
Contact
- Phone
- (760) 618-9226
- Cell
- (310) 303-0223
- Fax
- (760) 618-9229
- Web domain
- southbaytransport.com
Registration
- Officer
- George Benheretz
- USDOT / docket
- 1837973 · MC-723987
- First registered
- 12/15/2008
- Last MCS-150
- 03/30/2026 · 280,000 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—CDL drivers
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate SOUTHBAY TRANSPORT INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is SOUTHBAY TRANSPORT INC's USDOT number?
SOUTHBAY TRANSPORT INC's USDOT number is 1837973, and its motor carrier number is MC-723987.
Is SOUTHBAY TRANSPORT INC authorized to operate?
As of 2026-06-13, SOUTHBAY TRANSPORT INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is SOUTHBAY TRANSPORT INC's safety record?
SOUTHBAY TRANSPORT INC has a 21.3% vehicle out-of-service rate (national average 22.26%) across 141 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 82/100 (tier: review).
How big is SOUTHBAY TRANSPORT INC's fleet?
SOUTHBAY TRANSPORT INC operates 1 power unit and 1 driver per its most recent MCS-150 filing.
Where is SOUTHBAY TRANSPORT INC based?
SOUTHBAY TRANSPORT INC is based in CALEXICO, CA, with roadside inspections recorded across 5 states.