Koester Construction Company INC
REGISTEREDCommercial & Institutional Bldg Construction · Grimes, IA
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Koester Construction Company INC is currently registered as a construction contractor with the State of Iowa under registration number C094243, first issued 2025-10-07 and current through 2026-10-26. 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
- C094243
- Status
- Registered
- Issued / last renewed
- 2025-10-07
- Expires
- 2026-10-26
- Primary trade
- Commercial & Institutional Bldg Construction
- County
- Polk County
- Owner of record
- Paul Koester
- 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 Koester Construction Company INC
From koestercon.com
Koester Construction is a top choice among commercial construction companies in Iowa and beyond. As experienced general contractors, we pride ourselves on delivering exceptional service. If you
- In business since 1985
- Website:
- koestercon.com
- Facebook:
- facebook.com/KoesterConstruction
- Instagram:
- instagram.com/koesterconstruction
- LinkedIn:
- linkedin.com/company/koester-construction-company-inc-
Read from the business’s own website (koestercon.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 Koester Construction Company INC is registered to do
The State classifies Koester Construction Company INC as commercial & institutional bldg construction. 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.
1 yr
on the State's register (since 2025) — not a measure of experience
1,164
registered commercial & institutional bldg construction in Iowa, this business among them
9
registered commercial & institutional bldg construction in Grimes
All 1,164 registered commercial & institutional bldg construction in Iowa →commercial & institutional bldg construction in Grimes →Contractors in Polk County →
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