Koeller Plumbing LLC
REGISTEREDPlumbing/Heating & A/C Contractors · Flanagan, IL
Koeller Plumbing LLC is currently registered as a construction contractor with the State of Iowa under registration number C144804, last issued or renewed 2026-07-14 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.
Straight to their phone · no forms, no middleman
Prefer to compare a few? Collect bids from plumbing/heating & a/c contractors near you →
This contractor is based in IL and holds an Iowa contractor registration, which is required to perform construction work in Iowa.
State registration
- Registration number
- C144804
- Status
- Registered
- Issued / last renewed
- 2026-07-14
- Expires
- 2029-06-30
- Primary trade
- Plumbing/Heating & A/C Contractors
- Owner of record
- Benjamin Koeller
- 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.
What Koeller Plumbing LLC is registered to do
The State classifies Koeller Plumbing LLC 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.
2026-07-14
registration last issued or renewed with the State
1,309
registered plumbing/heating & a/c contractors in Iowa, this business among them
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 →