Guarantee Construction LLC
REGISTEREDCommercial & Institutional Bldg Construction · St Louis, MO
Guarantee Construction LLC is currently registered as a construction contractor with the State of Iowa under registration number C127897, last issued or renewed 2026-06-18 and current through 2027-08-01. Iowa registration confirms compliance with state labor law. It is not a license, and the State does not assess skill.
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This contractor is based in MO and holds an Iowa contractor registration, which is required to perform construction work in Iowa.
Guarantee Construction LLC at a glance
- What they do
- Commercial & Institutional Bldg Construction State record
- Registered in
- St Louis, MO State record
- Business address
- 2924 Locust St, St. Louis, MO 63103 Google Maps
- Hours posted
- Open Mon, Tue, Wed, Thu, Fri Google Maps
- Phone
- (314) 446-4100 State record
- Website
- gconbuild.com Business website
- Check the registration
- No. C127897, current, verify with the State State record
State registration
- Registration number
- C127897
- Status
- Registered
- Issued / last renewed
- 2026-06-18
- Expires
- 2027-08-01
- Primary trade
- Commercial & Institutional Bldg Construction
- Owner of record
- Robert Farrell
- 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 Guarantee Construction LLC
From gconbuild.com
- Website:
- gconbuild.com
- Email on their website:
- ap@gconbuild.com
Read from the business’s own website (gconbuild.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.
Guarantee Construction LLC on Google
Google MapsExact match to state record
Business name and phone number match this contractor’s state registration. It confirms this Google listing is the same business; it is not owner verification, a license, insurance or an endorsement.
5.0 ★ (2 Google reviews) · General Contractor
- Website listed on Google: gconbuild.com
- St. Louis, MO
- Business address on Google:
- 2924 Locust St, St. Louis, MO 63103
- Phone:
- the number on file with the State matches this Google listing
Hours on Google
- Monday: 8:00 AM to 4:30 PM
- Tuesday: 8:00 AM to 4:30 PM
- Wednesday: 8:00 AM to 4:30 PM
- Thursday: 8:00 AM to 4:30 PM
- Friday: 8:00 AM to 4:30 PM
- Saturday: Closed
- Sunday: Closed
Google reviews
A selection supplied by Google, ordered by relevance. Reviews containing contact details or unsupported credential claims are omitted.
5 ★ · Mike Saena · Jul 2024
Guarantee Construction did an outstanding job remodeling our office space. From start to finish, their team was professional, attentive, and dedicated to delivering high-quality results. The transformation exceeded expectations, and we love the outcome. Highly recommend Guarantee Construction for any remodeling projects!
View review on Google Maps5 ★ · William England · Oct 2024
Great family owned company!
View review 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.
What Guarantee Construction LLC is registered to do
The State classifies Guarantee Construction LLC 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.
2026-06-18
registration last issued or renewed with the State
1,164
registered commercial & institutional bldg construction in Iowa, this business among them
All 1,164 registered commercial & institutional bldg construction in Iowa →
Sources for this profile
- Registration: Active Iowa Construction Contractor Registrations, last updated 2026-09-14. Verify registration C127897
- About the business: read from its website, gconbuild.com. Not written or confirmed by the business.
- Google details: Google Maps, as of Sep 15, 2026. Not verified by us.