Portzen Construction

Contractor in Dubuque, IA.

Portzen Construction appears in Iowa license records as a contractor based in Dubuque, IA. The record lists a OSHA_Establishment license (#OSHA-9ada1408925407).

About this contractor

License type: OSHA_Establishment
License #: OSHA-9ada1408925407
Classification: Commercial building construction general contractors
Service area: Dubuque, IA 52003

Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.

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Verify Portzen Construction before you hire

Check license #OSHA-9ada1408925407 on the Iowa licensing authority lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-02).

Frequently asked about Portzen Construction

What does Portzen Construction do?

Portzen Construction is a contractor based in Dubuque, Iowa. Their license classification is Commercial building construction general contractors.

Is Portzen Construction licensed?

Yes. Portzen Construction holds Iowa licensing authority license #OSHA-9ada1408925407. Verify the current status on Iowa licensing authority before hiring.

Where is Portzen Construction located?

Portzen Construction is based in Dubuque, IA 52003.

How do I contact Portzen Construction?

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How do I get a quote from Portzen Construction?

The fastest way is to post your project on Bidroom — Portzen Construction and up to 2 other verified contractors in Dubuque can bid on it, and every quote includes itemized pricing + a written scope of work.

Is Portzen Construction verified on Bidroom?

Not yet. This listing was created from public Iowa license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.