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Carrier profile · USDOT 1372275 · MC-890638 · Updated Jun 13, 2026

FIRST CLASS PLUMBING LLC

3 power unitsLocal · 1 statesANNAPOLIS, MD

CARRIER ACTIVEMC-890638 ACTIVE

Observed fleet · trailing 24 mo daily

3Power units

4 observed · MCS-150

—Trailers seen

None observed · 24 mo

12.0Avg age (yr)

2006–2023 · vPIC

Call dispatch(410) 571-0006 Email dispatchmaryann@1stclassplumber.com

Carrier verification summary for FIRST CLASS PLUMBING LLC

FIRST CLASS PLUMBING LLC (USDOT 1372275) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.

FIRST CLASS PLUMBING LLC (USDOT 1372275) holds active common for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

FIRST CLASS PLUMBING LLC (USDOT 1372275) has an active BIPD insurance filing with a $750,000 limit in force from OHIO SECURITY INSURANCE COMPANY effective Mar 1, 2014 in FMCSA L&I's current snapshot as of Jun 13, 2026.

FIRST CLASS PLUMBING LLC (USDOT 1372275) has a 33.3% vehicle out-of-service rate over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

FIRST CLASS PLUMBING LLC (USDOT 1372275) has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

FIRST CLASS PLUMBING LLC (USDOT 1372275) reports 3 power units and 2 drivers in its most recent MCS-150 filing dated Jul 14, 2025.

FIRST CLASS PLUMBING LLC (USDOT 1372275) has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Active operating authorityInsurance on fileDriver out-of-service rate well above average

Watch · 2

Driver out-of-service rate well above average50.0% of driver inspections were placed out of service vs the 6.7% national average.Not enough inspection history to rate4 federal roadside inspections in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 21 yearsOperating authority has been on file since 2005.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo

33.3

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo

33.3

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

3 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

21 yr unchanged

Same registration since 2005 — no chameleon / reincarnation signal.

Safety

4 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 33.3%24-mo cumulative

050%nat'l 22.26%

Driver OOS 50.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 3 vehicle and 4 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

33.3% · latest 6-mo window

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. One window of data — no trend yet. The national vehicle benchmark uses the same metric and is shown on the chart.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Expected band

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.7 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 3-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 3
Inspections · 24 mo: 4
Annualized: ≈2 / yr
Coverage: ≈0.7 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

393.9 Inoperative required lampsVehicle Maintenance4 · 0 OOS
391.41 No / expired medical certificateDriver Fitness3 · 1 OOS
383.23 Operating without a valid CDLDriver Fitness2 · 2 OOS
393.41 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance1 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance1 · 0 OOS
390.21 USDOT number marking on vehicleUnsafe Driving1 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving1 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: None
Broker: None

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

BIPD in force — $750,000 · OHIO SECURITY INSURANCE COMPANY · since Mar 2014

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 3
Observed power (24 mo): 4
Trailers (towed): 0

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

MD busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

ANNAPOLIS, MD

2084 GENERALS HIGHWAY

Top corridor

MD 4

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & fraud

Affiliated entities & reincarnation signals · for review, not a verdict

No shared-identity links detected — no reincarnation flag, shared trucks, registration domain, or officer overlap with other carriers.

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 2084 GENERALS HIGHWAY, ANNAPOLIS, MD, 21401
Mailing address: 17032 SILVER CHARM PLACE, LEESBURG, VA, 20176
Operation: Interstate

Contact

Phone: (410) 571-0006
Cell: (202) 438-3437
Fax: (410) 571-0031
Email: maryann@1stclassplumber.com
Web domain: 1stclassplumber.com

Registration

Officers: Mary Ann Magnolia Judith · Michael D. Magnolia
USDOT / docket: 1372275 · MC-890638
First registered: May 13, 2005
Last MCS-150: Jul 14, 2025 · 24,362 mi (2024)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: 608722026

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

24,362

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Frequently asked

What is FIRST CLASS PLUMBING LLC's USDOT number?

FIRST CLASS PLUMBING LLC's USDOT number is 1372275, and its motor carrier number is MC-890638.

Is FIRST CLASS PLUMBING LLC authorized to operate?

As of 2026-06-13, FIRST CLASS PLUMBING LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is FIRST CLASS PLUMBING LLC's safety record?

FIRST CLASS PLUMBING LLC has a 33.3% vehicle out-of-service rate (national average 22.26%) across 5 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor does not assign this carrier a safety score: 4 federal roadside inspections in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.