SOUTHWEST BOULDER & STONE INC
Risk Assessment
Authority Active
Operating authority is currently active in FMCSA records.
Established Carrier
31 years of continuous operating authority.
Unrated
No DOT safety rating on file — common, not disqualifying on its own.
Generate a plain-English risk narrative for SOUTHWEST BOULDER & STONE INC — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.
Full Report
Safety profile
All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.
Crash history
Individual crashes by date and severity, fleet-normalized.
Insurance & compliance
BI&PD + cargo coverage, carrier, effective dates, and gaps.
Authority & cross-reference
Revocation history + chameleon flags across 4.4M carriers.
Change history
3 recorded changes to SOUTHWEST BOULDER & STONE INC’s FMCSA record. Derived from monthly FMCSA Census snapshots.
18
to
14
11
to
12
Jan 24, 2024
to
Jan 27, 2026
FAQ · SOUTHWEST BOULDER & STONE INC
Is SOUTHWEST BOULDER & STONE INC a legitimate motor carrier?
SOUTHWEST BOULDER & STONE INC is registered with FMCSA under USDOT number 580431. Operating authority status is currently Active.
Where is SOUTHWEST BOULDER & STONE INC based?
SOUTHWEST BOULDER & STONE INC lists its physical address in FALLBROOK, CA in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 580431 active?
USDOT 580431 (SOUTHWEST BOULDER & STONE INC) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.
How many trucks does SOUTHWEST BOULDER & STONE INC operate?
SOUTHWEST BOULDER & STONE INC reports 14 power units and employs 12 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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