Story County, IA Building Safety: Building Permits (2026)
Key Facts
- Trigger
- Permit required before land occupied or structure erected (§92.10)
- Permit types
- Conditional Use, Zoning, Home Business, Grading, Sign, more
- Wastewater projects
- Environmental Health Department review required first
- Inspections
- Foundation location inspection, then final inspection
- Preliminary permit expiry
- Void after 6 months without construction start
- Completion deadline
- 18 months from issuance or extension
- First offense penalty
- Up to $750.00 (Iowa Code §331.307[1])
Summary
In unincorporated Story County, land cannot be occupied or used, and no building or structure may be moved, erected, or increased in size and then occupied or used, until every required permit is acquired. Story County Planning and Development issues Conditional Use, Zoning, Home Business, Grading, Change of Use, Sign, and Special Events permits under Section 92.10 of the Land Development Regulations.
Land shall not be occupied or used, and no building or structure shall hereafter be moved, erected or increased in size and occupied or used in whole or in part for any purpose until all required permits are acquired. 1. Types of Permits. Story County may issue the following types of permits as defined in Section 85.08, Definitions: Conditional Use, Zoning, Home Business, Grading, Change of Use, Sign, and Special Events.
Full Breakdown
10 sets the trigger: land may not be occupied or used, and no building or structure may thereafter be moved, erected, or increased in size and occupied or used, until all required permits are acquired. 08, are Conditional Use, Zoning, Home Business, Grading, Change of Use, Sign, and Special Events permits, and each must certify the use or structure conforms to the Ordinance's minimum requirements before a change of use occurs. 09(2), applications are reviewed for conformance to zoning requirements, floodplain regulations, platting, and other requirements; if the project proposes wastewater generation, a zoning permit cannot issue before review and approval by the Story County Environmental Health Department.
A preliminary zoning permit issues after initial review to allow construction to begin, and a final permit issues after a final inspection. Required inspections include a foundation location inspection before construction and a final inspection after construction is complete. A preliminary development permit becomes null and void six months after issuance if construction has not commenced; the Director may grant a one-time six-month extension on written request submitted before the original deadline, but construction must be completed within 18 months of the permit's issuance or extension. 307 and Chapter 93.
Violations & Fines
Occupying land or building, moving, erecting, or enlarging a structure without the required permit is unlawful under Section 92.11. The Planning and Development Office investigates a reported violation and issues a written Notice of Violation giving 30 days to correct it or submit an approved compliance schedule, with the notice appealable to the Board of Adjustment within 30 days. An uncorrected violation becomes a County infraction under Iowa Code Section 331.307(1), carrying a civil penalty up to $750.00 for a first offense and up to $1,000.00 for each repeat offense, with each continuing day treated as a separate offense.
Frequently Asked Questions
What triggers the need for a building permit in unincorporated Story County?
How long is a preliminary permit valid?
What happens if I build without a permit?
Sources & Official References
Other rules in Story County
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