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Maryland Portable Restrooms (DOT# 1308903) – FMCSA Carrier Profile

DOT# 1308903● Active
Updated monthly · 2026-03-09

This carrier is active. Review the inspection and crash data below.

Maryland Portable Restrooms is a registered motor carrier with the FMCSA under USDOT number 1308903. The company operates from Glen Arm, MD and maintains an active operating status with 19 power units and 8 drivers on record.

Safety Rating

FMCSA Safety Rating
— Not Rated

No formal safety rating has been assigned to Maryland Portable Restrooms by the FMCSA. View official FMCSA record →

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Company Information

Address10515 Harford Road, Glen Arm, MD, 21057
Phone(410) 665-7922
Emaildiane@mdpt.com
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units19(Medium carrier)
Drivers8
MCS-150 FiledMarch 25, 2020
Annual Mileage9,000 mi (2019)
All carriers in Maryland→Carriers in Glen Arm, MD→
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Frequently Asked Questions

What is USDOT Number 1308903?
USDOT number 1308903 is assigned to Maryland Portable Restrooms, an active motor carrier registered with the FMCSA, based in Glen Arm, MD.
Where is Maryland Portable Restrooms located?
Maryland Portable Restrooms is headquartered at 10515 Harford Road, Glen Arm, MD 21057.
What does "Not Rated" mean?
"Not Rated" means the FMCSA has not conducted a formal compliance review for this carrier. It does not indicate a safety problem — many active carriers operate without a formal rating.
Is zero crashes always a good sign?
Generally yes, but context matters. A carrier with zero crashes and very few inspections may simply have limited road exposure. Always review crash data alongside inspection volume and fleet size.
What is a normal OOS rate?
The national average vehicle out-of-service rate is approximately 21%. Driver OOS averages around 5%. Rates significantly above these thresholds may indicate recurring compliance issues.
How often is FMCSA data updated?
FMCSA publishes updated carrier data monthly. This page reflects the most recent available snapshot, updated on the date shown above.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 1308903 · Last updated: 2026-03-09. View official FMCSA record →