License tenure
Under 1 yr
IA General Contractor avg: Under 1 yr
Bond
Not published by the state
Not published by the state
Trust score
20
Based on license status, bond, and profile signals
About this business
Property owners in BOONE, IOWA County (50036) and nearby Iowa communities hire ZELLMER BUILDINGS INC for permitted General Contractor projects.
Read more
GC projects in BOONE range from kitchen refreshes to full second-story builds. ZELLMER BUILDINGS INC coordinates multi-trade remodels, additions, and structural updates from permit through final inspection in BOONE. State classification on file: 238190 - Other Foundation/Structure &Bldg Exterior.
Iowa contractor registrations are filed with workforce development records.
IA active license C143633 with records dating to 2025 (1 year on file). Current expiration: 2026-08-23. Records are maintained by Iowa Division of Workforce Development.
Reach ZELLMER BUILDINGS INC at (515) 330-9593 or nick@zellmerbuildings.com. Ask for a detailed scope before deposits - match the contract name to the license name.
Market insights
More established than typical General Contractor pros in IA.
Compared with other General Contractor contractors in BOONE, this license has above-average tenure.
How this pro compares
License tenure vs state average
ZELLMER BUILDINGS INC's license is 0.4 years above average for General Contractor contractors in IA.
License journey
- License issuedJuly 14, 2025
Under 1 yr of operating history on record
- License verifiedMay 29, 2026
License checked 23 days ago
- License expirationAugust 23, 2026
Renews within the next year
License details
License #C143633
StatusActive
IssuedJuly 14, 2025
ExpiresAugust 23, 2026
BondNot published by the state
CountyIOWA
StateIA
Last verifiedMay 29, 2026
License verified with Iowa Division of Workforce Development · last checked May 29, 2026. Confirm status with the state board before hiring.
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