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Koester Construction Company INC

REGISTERED

Commercial & Institutional Bldg Construction · Grimes, IA

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Koester Construction Company INC is registered with the State of Iowa (No. C094243), current through 2027-10-26. Registration is not a license or an assessment of skill. Check the State record.

Phone · State record

(515) 986-5500

At a glance

What they do
Commercial & Institutional Bldg Construction State record
Registered in
Grimes, IA (Polk County) State record
Business address
3050 SE Enterprise Dr, Grimes, IA 50111 Google Maps
Hours posted
Open Mon, Tue, Wed, Thu, Fri Google Maps
Website
koestercon.com Business website
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Get to know this business

Work & references

Explore their projects, social profiles and original sources.

Around the web

Read customer stories and reviews at their source. Registration, documents and badges do not establish workmanship or current insurance.

  • Business profile

    Facebook

    Linked from the business website · facebook.com

  • Business profile

    Instagram

    Linked from the business website · instagram.com

  • Business profile

    LinkedIn

    Linked from the business website · linkedin.com

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
Email on their website:
koester@koestercon.com

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.

Koester Construction Company INC on Google

Google Maps

Matches the State recordname and phone number

4.525 Google reviews
Business address on Google:
3050 SE Enterprise Dr, Grimes, IA 50111
Phone:
the number on file with the State matches this Google listing

Hours on Google

  • Monday: 8:00 AM to 5:00 PM
  • Tuesday: 8:00 AM to 5:00 PM
  • Wednesday: 8:00 AM to 5:00 PM
  • Thursday: 8:00 AM to 5:00 PM
  • Friday: 8:00 AM to 5:00 PM
  • Saturday: Closed
  • Sunday: Closed
  • Wheelchair-accessible parking
  • Wheelchair-accessible entrance
Read 4 Google review excerpts

A selection supplied by Google, ordered by relevance. Reviews containing contact details or unsupported credential claims are omitted.

  • 5 ★ · Cate Holec · Dec 2024

    Working with Koester Construction has always been a great experience. Their quality is unmatched and the employees are all wonderful to work with. Love to support a company with strong values & gives back to the community!

    View review on Google Maps

  • 5 ★ · Noel Roberts · Dec 2024

    Koester is an amazing company! Family is always first and they actually mean when family comes first! The amount of respect I have for Koester is over the top. I really can’t thank the company and all the employee enough for being so great to me and my family ❤️

    View review on Google Maps

  • 5 ★ · Cara Koester · Dec 2024

    Everyone at Koester Construction that I have engaged with has been wonderful. Great people make a great company. I would highly recommend!

    View review on Google Maps

  • 5 ★ · Jennifer Kelly · Sep 2020

    Koester Construction Company is truly a community-focused organization. They value quality, integrity and bettering their community and employees. You will not be disappointed when you choose Koester as a contractor or as an employer!

    View review on Google Maps
All reviews on Google Maps

From Google Maps, as of Sep 2026. We have not verified it and this business has not claimed this listing. Is this your business? Claim it free or request a correction.

Trade and local directory

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.

2026-09-16

registration last issued or renewed with the State

1,192

registered commercial & institutional bldg construction in Iowa, this business among them

8

registered commercial & institutional bldg construction in Grimes

All 1,192 registered commercial & institutional bldg construction in Iowa →commercial & institutional bldg construction in Grimes →Contractors in Grimes →Contractors in Polk County →

State registration details
Registration number
C094243
Status
Registered
Issued / last renewed
2026-09-16
Expires
2027-10-26
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 2026-11-02. Verify this registration with the State of Iowa. How to check a registration yourself.

Sources for this profile

  • Registration: Active Iowa Construction Contractor Registrations, last updated 2026-11-02. Verify registration C094243
  • About the business: read from its website, koestercon.com. Not written or confirmed by the business.
  • Google details: Google Maps, as of Sep 15, 2026. Not verified by us.

Other commercial & institutional bldg construction in Polk County

2 of 8 listings publish services; 1 publish hours. These are published details, not availability guarantees.

Premiere members appear first, marked with the gold check.

Premiere members appear first, marked with the gold check.Verified: owner confirmed their details with the StateEvery registered contractor is listed either way, a badge moves a listing up, it never removes anyone, and neither is a judgement of anyone’s work.