Company snapshot
- Legal name
- Portzen Construction INC
- USDOT number
- 459139
- MC docket
- MC307464
- Physical address
- 205 Stone Valley Drive, Dubuque, IA, 52003
- Phone
- (563) 557-7642
- Power units
- 75
- Drivers
- 120
- Operation
- Interstate
- Operating radius
- Interstate 100+ mi
- Cargo
- Building Materials, Machinery, Large Objects, Construction, Other
- Last MCS-150 filing
- May 28, 2025
Operating authority
- Common authority
- Not held
- Contract authority
- 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
Safety record
- FMCSA safety rating
- Not rated
- Roadside inspections (24 mo)
- 10
- Out-of-service inspections
- 4
- Inspections with violations
- 10
- BASICs in alert
- 0
Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Jul 30, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.
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