A-1 Steam Cleaning (USDOT 450621)
Monitor- DOT number
- USDOT 450621
- Operating authority
- Federal operating authority is not required — private carrier operation. USDOT registration showed active on FMCSA’s file as of Sep 27, 2026. Not yet confirmed live.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 2 power units, 2 drivers
- Operation type
- Interstate
- Physical address
- 294 HIGH RANGE ROAD, LONDONDERRY, NH 03053
- MCS-150 last filed
- Dec 2025
Frequently asked questions
What carrier is DOT 450621?
USDOT 450621 is A-1 Steam Cleaning, an interstate motor carrier.
What is A-1 Steam Cleaning's USDOT number?
A-1 Steam Cleaning's USDOT number is 450621. No MC docket number is on file.
Is A-1 Steam Cleaning currently authorized to operate?
Federal operating authority is not required — private carrier operation. USDOT registration showed active on FMCSA’s file as of Sep 27, 2026. Not yet confirmed live. Source: FMCSA registration and licensing records.
Does A-1 Steam Cleaning have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is A-1 Steam Cleaning's safety record?
In the last 24 months, FMCSA records show 1 of 1 vehicle inspection ending out-of-service for A-1 Steam Cleaning, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is A-1 Steam Cleaning's CSA score?
FMCSA does not publish a single CSA score for carriers. A-1 Steam Cleaning's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is A-1 Steam Cleaning's FMCSA safety rating?
A-1 Steam Cleaning has no published FMCSA safety rating. Most US carriers have never had a rating review.
Changes over time
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View the full fleetfax report for A-1 Steam Cleaning
From FMCSA public records loaded Sep 27, 2026; may be out of date. fleetfax shows the facts; you make the call. FMCSA status