William J. Kraus & Sons INC.
REGISTEREDPlumbing/Heating & A/C Contractors · Keokuk, IA
Homeowners found plumbing/heating & a/c contractors pages across Iowa 43 times in the last 28 days.
William J. Kraus & Sons INC. is currently registered as a construction contractor with the State of Iowa under registration number C132569, first issued 2026-05-21 and current through 2029-06-30. Iowa registration confirms compliance with state labor law — it is not a license, and the State does not assess skill.
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State registration
- Registration number
- C132569
- Status
- Registered
- Issued / last renewed
- 2026-05-21
- Expires
- 2029-06-30
- Primary trade
- Plumbing/Heating & A/C Contractors
- County
- Lee County
- Owner of record
- Adam Kraus
- Issuing authority
- DIAL
Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.
About William J. Kraus & Sons INC.
From krausandsons.com
- In business since 1932
- Website:
- krausandsons.com
Read from the business’s own website (krausandsons.com). We have not verified it and this business has not claimed this listing. Is this your business? Claim it free to edit or remove anything here, or request a correction.
What William J. Kraus & Sons INC. is registered to do
The State classifies William J. Kraus & Sons INC. as plumbing/heating & a/c contractors. That classification comes from the registration itself, not from us — it describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.
Since this year
on the State's register (since 2026) — not a measure of experience
1,309
registered plumbing/heating & a/c contractors in Iowa, this business among them
11
registered plumbing/heating & a/c contractors in Keokuk
plumbing, HVAC & mechanical work is separately licensed in Iowa. The registration above is a compliance filing; the Iowa Plumbing & Mechanical Systems Board ↗ runs the exam that actually tests competence. Ask for the license number and check it there — for this trade it is the strongest signal available.
All 1,309 registered plumbing/heating & a/c contractors in Iowa →plumbing/heating & a/c contractors in Keokuk →Contractors in Lee County →
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