Mark Keller

Fire Protection in Dousman, WI.

Mark Keller appears in Wisconsin license records as a fire protection contractor based in Dousman, WI. The record lists a Automatic Fire Sprinkler Fitter, Journeyman license (#899157) with status “Active”. The listed expiration date, 2026-06-30, has passed, so check the state board before hiring.

Hiring a fire protection contractor in Dousman? Compare quotes from 3 verified fire protection contractors in your area — free, no obligation, ~60 seconds.
Get free quotes →
Unclaimed listing. Are you Mark Keller? Claim it free →

About this contractor

License type
Automatic Fire Sprinkler Fitter, Journeyman
License #
899157
License status
Active
Classification
Automatic Fire Sprinkler Fitter, Journeyman
License expires
2026-06-30
Record source
Wisconsin contractor license record
Service area
Dousman, WI 53118
Email
Sign up free to view

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

Is this your business?

This listing was created from public license records. The owner hasn’t claimed it yet — claim it now and we’ll build you a free professional website at bidroom.io/pro/mark-keller.

  • Free professional website with photos, services, and booking
  • Matched job leads in Dousman — no per-lead fees
  • Verified-pro badge on your profile
  • Use your own domain (yourbusiness.com) on Pro plan
Claim this profile — Free
No credit card · 60 seconds · You stay in control
← Back to Fire Protection in Dousman

🔒See Mark Keller's phone, email & website — free

Contact info is revealed to anyone with a free Bidroom account. Create yours to unlock contact details across the Bidroom directory — then subscribe if you'd like to message verified pros directly inside the app.

Create a free account Or subscribe to message in-app

Verify Mark Keller before you hire

Check license #899157 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 Mark Keller

What does Mark Keller do?

Mark Keller is a fire protection contractor based in Dousman, Wisconsin. Their license classification is Automatic Fire Sprinkler Fitter, Journeyman.

Is Mark Keller licensed?

Yes. Mark Keller holds Wisconsin licensing authority license #899157 (status: Active). Verify the current status on Wisconsin licensing authority before hiring.

Where is Mark Keller located?

Mark Keller is based in Dousman, WI 53118.

How do I contact Mark Keller?

Contact information (phone, email, website) is shown to anyone with a free Bidroom account. Create a free account to reveal Mark Keller's contact details, then subscribe if you'd like to message them in-app.

How do I get a quote from Mark Keller?

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

Is Mark Keller 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.

This record in Dousman

Hiring a fire protection contractor?

Contractor vetting checklist · Cost guide · Look up this license at the state board

Other trades hiring in Dousman

Are you Mark Keller?Claim this profile free and we'll build you a professional website at bidroom.io/pro/mark-keller — photos, services, online booking, your own domain.
Claim free →