Fleet typeIdentity
Asset-based
14 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 580431 · MC-937713
SOUTHWEST BOULDER & STONE INC
14 power unitsavg 8.1 yrLocal · 1 statesFALLBROOK, CA
CARRIER ACTIVEMC-937713 ACTIVE
Observed fleet · trailing 24 mo daily
14Power units
12 observed · MCS-150
10Trailers seen
Decoded · vPIC
8.1Avg age (yr)
2006–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
High risk
Multiple serious issues on the federal record. Verify directly before any tender.
Active operating authorityEstablished 32 yearsNo insurance on file
Watch · 3
Operating authority3131 yr active
since 1994Insurance (BIPD)Not on file
FMCSA L&IVehicle OOS · 24mo61.161.1 %
▲ 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 peersTypical
8.1 yr
Model years 2006–2026 · peer benchmark computing.
Identity stabilityStable
31 yr unchanged
Same registration since 1994 — no chameleon / reincarnation signal.
AI readFull read
Is SOUTHWEST BOULDER & STONE INC safe to work with?
Is SOUTHWEST BOULDER & STONE INC safe to load? SOUTHWEST BOULDER & STONE INC (USDOT 580431, MC-937713) is an active asset-based motor carrier based in FALLBROOK, CA, operating 14 power units and 12 drivers. Operating authority has been active 31 years (past the 24-month broker-confidence threshold). Across 42 roadside inspections, its vehicle out-of-service rate is 61.1% (above the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it high risk (62/100), with the leading concern: no insurance on file. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
SBSOUTHWEST BOULDER & STONE INC 62
01
Safety
42 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 61.1% (24-mo)18 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 7.7% (24-mo)26 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
25.0% now▲ Worsening
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
≈0.9 / unit·yr
thin signalabundant signal
Within the expected band for a 14-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
- Registered power units
- 14
- Inspections · 24 mo
- 26
- Annualized
- ≈13 / yr
- Coverage
- ≈0.9 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.
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving10
- 393.9 Inoperative required lampsVehicle Maintenance7 · 1 OOS
- 393.45 Brake tubing / hose defectsVehicle Maintenance5 · 3 OOS
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance5 · 5 OOS
- 393.100 Cargo securement (general)Vehicle Maintenance4 · 4 OOS
- 391.41 No / expired medical certificateDriver Fitness3 · 3 OOS
- 393.104 Cargo securement — tiedownsVehicle Maintenance3 · 3 OOS
- 393.110 Cargo securement — number of tiedownsVehicle Maintenance3 · 3 OOS
- 393.11 Required lamps/reflectors missingVehicle Maintenance2
- 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 2 OOS
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- None
- Broker
- Active
Insurance & bonds
BIPD / liability (required)Not on file
CargoNone
Surety bond (BMC-84)Filed with FMCSA
Insurance continuity· insurer · policy · lapses
No insurance filing history on record.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 14
- Observed power (24 mo)
- 12
- Trailers (towed)
- 10
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
2026
Newest model yr
2006
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 1 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed11
US statesInspections · 24 mo2626
CA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
FALLBROOK, CA
Top corridor
CA
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (2 trucks · 3 carriers)
Across all inspections on record: USDOT 327574USDOT 457047USDOT 28406
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1414
Observed (24 mo)1212
Shared w/ other carriers22
Registered and roadside-observed capacity are broadly consistent.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 5002 2ND STREET, FALLBROOK, CA, 92028
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (760) 451-3333
- Fax
- (760) 451-1668
- Web domain
- southwestboulder.com
Registration
- Officers
- Michelle S Mcleod · Megan Mcleod
- USDOT / docket
- 580431 · MC-937713
- First registered
- 11/09/1994
- Last MCS-150
- 01/27/2026 · 500,000 mi (2025)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
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 SOUTHWEST BOULDER & STONE 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 SOUTHWEST BOULDER & STONE INC's USDOT number?
SOUTHWEST BOULDER & STONE INC's USDOT number is 580431, and its motor carrier number is MC-937713.
Is SOUTHWEST BOULDER & STONE INC authorized to operate?
As of 2026-06-13, SOUTHWEST BOULDER & STONE INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is SOUTHWEST BOULDER & STONE INC's safety record?
SOUTHWEST BOULDER & STONE INC has a 61.1% vehicle out-of-service rate (national average 22.26%) across 42 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 62/100 (tier: high_risk).
How big is SOUTHWEST BOULDER & STONE INC's fleet?
SOUTHWEST BOULDER & STONE INC operates 14 power units and 12 drivers per its most recent MCS-150 filing.
Where is SOUTHWEST BOULDER & STONE INC based?
SOUTHWEST BOULDER & STONE INC is based in FALLBROOK, CA, with roadside inspections recorded across 1 state.