Washington County, IA - 2026 Building Permit Guide

Permit Authority

Unincorporated Washington County, including county planning/zoning and floodplain review

Department

Washington County Planning and Zoning, Rural Building and Development Permits

Address

Washington County Courthouse, 222 W Main St, Washington, IA 52353

Phone

319-653-7785

Email

planning@washingtoncounty.iowa.gov

Website

https://www.washingtoncountyiowa.gov/planning-zoning

Online Permit Portal

Application Process

1. Confirm whether the site is in unincorporated county territory and whether zoning, floodplain, septic, driveway, or other county review applies.
2. Contact planning staff before work starts to confirm required approvals.
3. Submit the applicable county forms and supporting documents.
4. Pay the required fee, if any.
5. Receive approval and then schedule any required inspections.

Typical processing time: Thin data. No formal public turnaround time found on the county site.

Source: Washington County Planning and Zoning, Rural Building and Development Permits

General Requirements

Thin data. County review is clearly published for planning/zoning and floodplain matters; the county page does not present a full public building-permit matrix for every rural project.

Required Documents

• Typically site location, project description, site plan, and any floodplain or other supporting materials if applicable. Thin data for exact checklist.

Building code

Thin data. No county building code adoption statement located on the public page.

Owner-builder

Thin data. No public rule located.

Contractor requirements

Thin data. No public rule located.

Fees

Minimum permit fee

Thin data for general building permits. The county page does not publish a comprehensive fee table on the main zoning page.

Plan check fee

Thin data.

Reinspection fee

Thin data.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

• Thin data. No countywide public exemption list located.

Inspections

How to Schedule

• Thin data. Coordinate with planning staff. (phone)

Typical inspection sequence: Thin data.

Thin data.

Additional Resources

• Building code: Thin data. No county building code adoption statement located on the public page.
• Zoning information: View zoning info
• License lookup guide: Iowa Contractor License Requirements
• Contract template: Iowa Homeowner-Contractor Agreement
• Iowa hub: Iowa Contractor License & Permit Hub

Frequently Asked Questions

Washington County Building Permit FAQ

Do I need a building permit in unincorporated Washington County, IA?

Thin data. County review is clearly published for planning/zoning and floodplain matters; the county page does not present a full public building-permit matrix for every rural project.

How much does a building permit cost in unincorporated Washington County, IA?

The minimum permit fee is Thin data for general building permits. The county page does not publish a comprehensive fee table on the main zoning page.. Plan check fee: Thin data..

How do I apply for a building permit in unincorporated Washington County, IA?

1. Confirm whether the site is in unincorporated county territory and whether zoning, floodplain, septic, driveway, or other county review applies. 2. Contact planning staff before work starts to confirm required approvals. 3. Submit the applicable county forms and supporting documents. 4. Pay the required fee, if any. 5. Receive approval and then schedule any required inspections.

How long does it take to get a building permit in unincorporated Washington County, IA?

Typical processing time is Thin data. No formal public turnaround time found on the county site..

What work is exempt from building permits in unincorporated Washington County, IA?

The following work is generally exempt: Thin data. No countywide public exemption list located..

How do I schedule a building inspection in unincorporated Washington County, IA?

Inspections can be scheduled via: Thin data. Coordinate with planning staff..