Calvert Ready Mix & Concrete Supplies LLC (USDOT 4285571)
Monitor- DOT number
- USDOT 4285571
- Operating authority
- Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 21, 2026. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 1 power unit, 2 drivers
- Operation type
- Interstate
- Physical address
- 2155 SOLOMONS ISLAND RD S, PRINCE FREDERIC, MD 20678-3348
- MCS-150 last filed
- Jul 2025
Frequently asked questions
What carrier is DOT 4285571?
DOT 4285571 (USDOT 4285571) is Calvert Ready Mix & Concrete Supplies LLC, an interstate motor carrier.
What is Calvert Ready Mix & Concrete Supplies LLC's USDOT number?
Calvert Ready Mix & Concrete Supplies LLC's USDOT number is 4285571. No MC docket number is on file.
Is Calvert Ready Mix & Concrete Supplies LLC currently authorized to operate?
Federal operating authority is not required — private carrier operation. The federal bulk file showed this carrier's USDOT registration active as of Sep 21, 2026. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Calvert Ready Mix & Concrete Supplies LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Calvert Ready Mix & Concrete Supplies LLC's safety record?
In the last 24 months, FMCSA records show a 36.4% vehicle out-of-service rate for Calvert Ready Mix & Concrete Supplies LLC, from 4 of 11 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 18, 2026). FMCSA records also show 0 recordable crashes in the same window.
What is Calvert Ready Mix & Concrete Supplies LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Calvert Ready Mix & Concrete Supplies LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Calvert Ready Mix & Concrete Supplies LLC's FMCSA safety rating?
Calvert Ready Mix & Concrete Supplies LLC 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.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 21, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status