Douglas Gilbert Zwieg — HVAC in Watertown, WI

About this contractor

License type: UDC HVAC Inspector
License #: 089900012
License status: Active
Classification: UDC HVAC Inspector
License expires: 2029-06-30
Record source: Wisconsin contractor license record
Service area: Watertown, WI 53098

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

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Check license #089900012 on the Wisconsin licensing authority lookup and the BBB the day you hire; status can change after Bidroom's last import (2026-05-12).

Frequently asked about Douglas Gilbert Zwieg

What does Douglas Gilbert Zwieg do?

Douglas Gilbert Zwieg is an HVAC contractor based in Watertown, Wisconsin. Their license classification is UDC HVAC Inspector.

Is Douglas Gilbert Zwieg licensed?

Yes. Douglas Gilbert Zwieg holds Wisconsin licensing authority license #089900012 (status: Active). Verify the current status on Wisconsin licensing authority before hiring.

Where is Douglas Gilbert Zwieg located?

Douglas Gilbert Zwieg is based in Watertown, WI 53098.

How do I contact Douglas Gilbert Zwieg?

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How do I get a quote from Douglas Gilbert Zwieg?

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

Is Douglas Gilbert Zwieg verified on Bidroom?

Not yet. This listing was created from public Wisconsin 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.