License tenure
2.6 yrs
IA Hvac avg: 2.4 yrs
Find pros · CARROLL, IA
OP
hvac
OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC
Trust score 20
Active licenseUnclaimed listing
OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC - Hvac in CARROLL, IA
About this business
OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC is a licensed Hvac contractor based in CARROLL, Iowa, serving customers in CARROLL, CARROLL County (51401) and nearby Iowa communities.
Comfort projects include load calculations, thermostat upgrades, airflow balancing, and seasonal maintenance. License classifications also include Plumbing.
Agricultural and rural properties in CARROLL may need well, septic, or outbuilding coordination.
IA active license C144100 with records dating to 2023 (3 years on file). Current expiration: 2026-06-30. Source agency: Iowa Division of Workforce Development.
Reach OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC at (712) 830-9166 or olsemplumbing@gmail.com. Compare insurance certificates and references alongside license verification.
hvacplumbing
IA Hvac market
145
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
CARROLL market
2
Active Hvac contractors locally
Market insights
Typical Hvac license tenure in IA.
OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC is one of 145 active Hvac license records we track in IA.
How this pro compares
License tenure vs state average
OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC's license is 0.2 years above average for Hvac contractors in IA.
License journey
- License issuedNovember 15, 2023
2.6 yrs of operating history on record
- Data verifiedMay 29, 2026
License record refreshed 16 days ago
- License expirationJune 30, 2026
Renews within the next year
License details
| License # | C144100 |
|---|---|
| State | IA |
| County | CARROLL |
| Issued | November 15, 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.
Before you hire checklist
Work through these steps before signing — checking items helps you compare contractors with confidence.
Claim this profile
Are you OLSEM PLUMBING DBA-OLSEM PLUMBING & HVAC? Add proprietary content so this page becomes authoritative — not just a public record stub.