Southwest Boulder & Stone INC (USDOT 580431)
1 caution found.
- Docket (MC) number
- MC937713
- Operating authority
- Broker authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
- Authority granted
- 1994-11-09
- Insurance on file
- A surety bond is on file with FMCSA, the filing FMCSA requires of a broker. No liability (BIPD) insurance is on file; FMCSA does not require BIPD of a broker.
- Safety rating
- No published safety rating
- Fleet on file
- 14 power units, 12 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 5002 2ND STREET, FALLBROOK, CA 92028
- MCS-150 last filed
- 2026-01
Findings
- Vehicle OOS rate above national average (Caution): 50% vehicle OOS over 20 inspections vs. national average 22.87%
- Also holds broker authority (Note): Entity is registered as both a carrier and a broker.
Frequently asked questions
What carrier is USDOT 580431?
USDOT 580431 is Southwest Boulder & Stone INC, an intrastate non-hazmat motor carrier.
What carrier is MC 937713?
MC 937713 is the docket number of Southwest Boulder & Stone INC, USDOT 580431.
What is Southwest Boulder & Stone INC's MC number?
Southwest Boulder & Stone INC's docket number is MC 937713. Its USDOT number is 580431.
Is Southwest Boulder & Stone INC currently authorized to operate?
Broker authority: active. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Southwest Boulder & Stone INC have insurance on file with FMCSA?
A surety bond is on file with FMCSA, the filing FMCSA requires of a broker. No liability (BIPD) insurance is on file; FMCSA does not require BIPD of a broker.
How long has Southwest Boulder & Stone INC been in business?
Southwest Boulder & Stone INC's operating authority was first granted in 1994. FMCSA records show authority age, which can differ from how long the company has existed.
What is Southwest Boulder & Stone INC's safety record?
In the last 24 months, FMCSA records show a 50.0% vehicle out-of-service rate for Southwest Boulder & Stone INC, from 10 of 20 vehicle inspections, against a national average of 22.9%. FMCSA records also show 0 reportable crashes in the same window.
What is Southwest Boulder & Stone INC's CSA score?
FMCSA does not publish a single CSA score for carriers. Southwest Boulder & Stone INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Southwest Boulder & Stone INC's FMCSA safety rating?
Southwest Boulder & Stone INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
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