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§ IA Adams County
County building permits

Unincorporated Adams County

How to apply for a building permit in unincorporated Adams County, Iowa. Permit authority, application steps, fees, and inspection requirements.

Last verified
April 2026
On this page 6
§ 01

Permit authority

Adams County Zoning; Adams County Engineer; Adams County Environmental Health

Street address
Zoning / Assessor's Office, 500 9th Street, Corning, IA 50841; Engineer's Office, 2004 200th St., Corning, IA 50841
Coverage
Unincorporated Adams County uses county zoning plus County Engineer administration for permanent building permits, entrance permits, utility permits, and right-of-way work. Septic applications are also published through the county permit portal.
Online portal
Portal
iWorQ Citizen Portal
§ 02

When a permit is required

Permit triggers and exempt work for Adams County

Adams County Ordinance 21.18 says any building construction of a permanent nature in Adams County requires a building permit. Entrance construction also requires an entrance permit. The zoning ordinance states zoning affects every structure and use unless specifically exempted.

No broad exemption list for general permanent rural construction was clearly posted in the public pages reviewed
  • Exempt No broad exemption list for general permanent rural construction was clearly posted in the public pages reviewed
Required documents
  • Building permit application, building / architectural plans, and site plan. Entrance permits and other county engineer permits use separate county forms. Septic permit applications route through the county portal.
Building code
Adams County publicly emphasizes its zoning ordinance and permit administration requirements. A specific ICC edition was not clearly posted in the county sources reviewed.
Permit validity
County building permits are valid for one year from issuance if construction is not commenced sooner; entrance permits are valid for 180 days.
Owner-builder
Not separately summarized in the county pages reviewed.
Contractor requirements
Not clearly summarized on a single county page; state trade licensing rules may still apply depending on scope.
§ 03

Application process

Typical processing: Building permit applications must be approved at least 10 days prior to beginning construction; entrance permits must be approved at least 5 days prior to beginning construction.

  1. 01
    Confirm whether the project is in unincorporated Adams County and identify whether it needs zoning review, a county building permit, septic permit, or county engineer right-of-way permit.
  2. 02
    Submit a building permit application through the county permit system or directly with the Adams County Engineer, including building or architectural plans and a site plan.
  3. 03
    File the permit application at least 10 days before starting permanent building construction.
  4. 04
    Obtain any related entrance permit, utility permit, or right-of-way approval from the Adams County Engineer if the work affects county roads or county ROW.
  5. 05
    For septic work, apply through the county's iWorQ septic permit application process.
  6. 06
    Wait for approval and required inspections before beginning or advancing construction.

Typical processing time: Building permit applications must be approved at least 10 days prior to beginning construction; entrance permits must be approved at least 5 days prior to beginning construction.

Source: Adams County Zoning; Adams County Engineer; Adams County Environmental Health ↗

§ 04

Fee schedule

Adams County building permit fees

Fee type
Amount
01
Minimum permit fee
County building permit and county engineer permits obtained through the engineer's office are stated to be free of charge
02
Plan check fee
Not separately published
03
Permit fee formula
Free county building permit; free right-of-way permits according to the county engineer permit page
04
Reinspection fee
Failure to secure a county building permit before construction incurs a $500 penalty, and each day without a permit is an additional violation

Confirm whether septic or environmental-health related permits carry separate fees not displayed on the portal landing page

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • County ordinance requires timely inspections (phone)
  • contact the Adams County Engineer or county zoning office for inspection routing (phone)
Inspection hours
Engineer's Office Monday-Friday 7:00 a.m. to 3:30 p.m.; courthouse hours Monday-Friday 8:30 a.m. to 4:30 p.m.

Typical sequence: Submit plans and application, obtain county approval before start, complete timely inspections during construction, then proceed to completion

Not clearly posted

§ 06

Frequently asked

Common questions about unincorporated Adams County permits

01 Do I need a building permit in unincorporated Adams County, IA?
Adams County Ordinance 21.18 says any building construction of a permanent nature in Adams County requires a building permit. Entrance construction also requires an entrance permit. The zoning ordinance states zoning affects every structure and use unless specifically exempted.
02 How much does a building permit cost in unincorporated Adams County, IA?
Building permit fees in unincorporated Adams County, IA are set by the local building department and vary by project type and valuation. The minimum permit fee is County building permit and county engineer permits obtained through the engineer's office are stated to be free of charge. Fees are calculated as: Free county building permit; free right-of-way permits according to the county engineer permit page. Plan check fee: Not separately published.
03 How do I apply for a building permit in unincorporated Adams County, IA?
To apply for a building permit in unincorporated Adams County, IA, follow these steps: 1. Confirm whether the project is in unincorporated Adams County and identify whether it needs zoning review, a county building permit, septic permit, or county engineer right-of-way permit. 2. Submit a building permit application through the county permit system or directly with the Adams County Engineer, including building or architectural plans and a site plan. 3. File the permit application at least 10 days before starting permanent building construction. 4. Obtain any related entrance permit, utility permit, or right-of-way approval from the Adams County Engineer if the work affects county roads or county ROW. 5. For septic work, apply through the county's iWorQ septic permit application process. 6. Wait for approval and required inspections before beginning or advancing construction.
04 How long does it take to get a building permit in unincorporated Adams County, IA?
Building permit processing times in unincorporated Adams County, IA typically run Building permit applications must be approved at least 10 days prior to beginning construction; entrance permits must be approved at least 5 days prior to beginning construction.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Adams County, IA?
Not all construction work requires a permit in unincorporated Adams County, IA. The following work is generally exempt: No broad exemption list for general permanent rural construction was clearly posted in the public pages reviewed. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Adams County, IA?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Adams County, IA via: County ordinance requires timely inspections, contact the Adams County Engineer or county zoning office for inspection routing.
last verified April 2026 source Adams County Zoning; Adams County Engineer; Adams County Environmental Health ↗ entry id permits/iowa/adams/adams-county

Educational reference. Permit rules and fees change — confirm current requirements directly with Adams County Zoning; Adams County Engineer; Adams County Environmental Health before applying. Jaspector is not legal advice.