Portzen Construction INC

USDOT 459139 · MC307464 · Dubuque, IA
USDOT ActiveContract authority (as of 5/2026)
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Company snapshot
Legal name
Portzen Construction INC
USDOT number
459139
MC docket
MC307464
Physical address
205 Stone Valley Drive, Dubuque, IA, 52003
Power units
75
Drivers
120
Operation
Interstate
Operating radius
Interstate 100+ mi
Cargo
General Freight, Building Materials, Machinery, Large Objects, Passengers, Construction, Other
Operation class
Authorized For-Hire, Private Property
Last MCS-150 filing
May 28, 2025
Operating authority (as of 5/2026)
Common authority
Not held
Contract authority (as of 5/2026)
Active
Broker authority
Not held
Authority granted
Sep 24, 1991
Insurance on file
Insurer (writing paper)
United Fire & Casualty CO.
Filing form
BMC-91X
Coverage amount
$1,000,000
BI/PD on file
$1,000,000
Estimated renewal window
Q4 2026

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Safety record
FMCSA safety rating
Not rated
Roadside inspections (24 mo)
11
Out-of-service inspections
4
Inspections with violations
11
BASICs with acute/critical violations
0
SMS population
Interstate
Common questions

Is Portzen Construction INC insured?

Yes. Portzen Construction INC (USDOT 459139) has active BI/PD liability insurance on file with FMCSA, currently written by United Fire & Casualty CO., with $1,000,000 in coverage on the filing.

What insurance company does Portzen Construction INC use?

Portzen Construction INC's current BI/PD filing is written by United Fire & Casualty CO.. Insurer changes show up in the daily-refreshed federal filing record.

What is Portzen Construction INC's MC number?

Portzen Construction INC's FMCSA docket is MC307464, paired with USDOT 459139.

Is Portzen Construction INC safe to work with?

Portzen Construction INC's FMCSA safety rating is not rated (most carriers never receive one), with 11 roadside inspections in the last 24 months, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page.

When does Portzen Construction INC's insurance renew?

Based on its filing history, Portzen Construction INC's BI/PD policy is estimated to renew in Q4 2026. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 459139’s exact X-date →

How many trucks does Portzen Construction INC operate?

Portzen Construction INC reports 75 power units and 120 drivers in its latest MCS-150 census filing.

Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 15, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.

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