License tenure
2.9 yrs
IA Plumbing avg: 2.5 yrs
Find pros · DENISON, IA
GP
plumbing
GRANZEN PLUMBING & HEATING
Trust score 20
Active licenseUnclaimed listing
Plumbing services - GRANZEN PLUMBING & HEATING - IA
About this business
For Plumbing work in DENISON, CRAWFORD County (51442-2118) and nearby Iowa communities, GRANZEN PLUMBING & HEATING maintains an active license with Iowa regulators.
Homeowners call GRANZEN PLUMBING & HEATING for emergency stoppages, low water pressure, and remodel plumbing tied to permits. GRANZEN PLUMBING & HEATING handles repipes, water heaters, drain cleaning, leak detection, and fixture installs for homes and small commercial sites in DENISON. State classification on file: 238220 - Plumbing/Heating & A/C Contractors.
Agricultural and rural properties in DENISON may need well, septic, or outbuilding coordination.
IA active license C131782 with records dating to 2023 (3 years on file). Current expiration: 2026-06-30. Records are maintained by Iowa Division of Workforce Development.
Reach GRANZEN PLUMBING & HEATING at (712) 263-5244 or jonnyg0811@yahoo.com. Get three itemized bids when possible and compare line-by-line scope.
plumbing
IA Plumbing market
1,848
Active licensed contractors statewide
Bond
Not in state bulk file
Not published in bulk file
Trust score
20
Based on license status, bond, and profile signals
DENISON market
5
Active Plumbing contractors locally
Market insights
Typical Plumbing license tenure in IA.
GRANZEN PLUMBING & HEATING is one of 1,848 active Plumbing license records we track in IA.
How this pro compares
License tenure vs state average
GRANZEN PLUMBING & HEATING's license is 0.4 years above average for Plumbing contractors in IA.
License journey
- License issuedJuly 13, 2023
2.9 yrs of operating history on record
- Data verifiedMay 29, 2026
License record refreshed 18 days ago
- License expirationJune 30, 2026
Renews within the next year
License details
| License # | C131782 |
|---|---|
| State | IA |
| County | CRAWFORD |
| Issued | July 13, 2023 |
| Expires | June 30, 2026 |
| Bond | Not in state bulk file |
| Last verified | May 29, 2026 |
Synced from Iowa Division of Workforce Development bulk licensing data · last checked May 29, 2026. Confirm status with the state board before hiring.
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