Douglas County, WA - 2026 Building Permit Guide

Permit Authority

All unincorporated areas of Douglas County. The county's Transportation and Land Services department operates on a 'one stop' approach, consolidating all local construction and land use permits under one roof.

Department

Douglas County Transportation and Land Services — Permit Center (Building Services Division)

Address

140 19th Street NW, Suite A, East Wenatchee, WA 98802 (Permit Center) / 203 S Rainier Street, Waterville, WA 98858 (Courthouse)

Phone

(509) 884-7173

Email

permits@co.douglas.wa.us

Website

https://www.douglascountywa.gov/285/Building-Construction-Land-Use-Permits

Online Permit Portal

Application Process

1. Contact the Permit Center for a pre-application consultation to determine which permits are needed: (509) 884-7173 or permits@co.douglas.wa.us.
2. Prepare electronic submittals (PDF) with two sets of legible plans drawn to scale: plot plan, foundation plan, building elevation plan, floor plan, floor and roof framing plan or truss layout, section view showing structural and construction details, and any additional plans determined by the Building Official.
3. Submit application in person at 140 19th Street NW, Suite A, East Wenatchee, or by email to permits@co.douglas.wa.us, Monday-Friday, 7:00 AM to 4:00 PM.
4. Building Services conducts plan review. Single-family residential review takes approximately four weeks after the application is deemed complete. Commercial and complex projects may take longer and undergo multi-agency review.
5. Contact the office to link your permit to the SmartGov portal and obtain an access code.
6. Pay required fees (plan review fees due at submittal for commercial projects over $100,000).
7. Upon approval, permit is issued.
8. Schedule inspections through SmartGov portal or by phone. Advance notice of at least one business day is required (same-day inspections not allowed; access inspections require three full business days minimum).

Typical processing time: Approximately four weeks for single-family residential review after application is deemed complete. Commercial and complex projects may take longer.

Source: Douglas County Transportation and Land Services — Permit Center (Building Services Division)

General Requirements

A building permit is required for: new construction, remodeling, or additions affecting roofs, foundations, bearing walls, doors, or windows; wood stove installations; swimming pools (in-ground and above-ground); decks over 30 inches high or roofed detached decks; retaining walls exceeding 4 feet in height; propane tank and gas appliance installations; underground storage tank installation or decommissioning; building or structure demolition; prefabricated structures (2+ stories or exceeding 200 sq ft); and carports.

Required Documents

• Completed application
• Two sets of legible construction plans drawn to scale
• Plot plan
• Foundation plan
• Building elevation plan
• Floor plan
• Floor and roof framing plan or truss layout
• Section view showing structural and construction details
• Any additional plans as determined by the Building Official

Permit validity

Permits expire if work does not commence within one year of issuance or if work is suspended for one year. Extensions are available once, for up to one year.

Building code

2021 International Building Code (IBC), International Residential Code (IRC), International Mechanical Code (IMC), International Plumbing Code (IPC), International Fire Code (IFC), International Energy Conservation Code (IECC), and International Wildland-Urban Interface Code (IWUIC) with Washington State amendments, effective March 15, 2024.

Owner-builder

Property owners may perform their own work without contractor registration for personal-use projects (not for resale). Owners intending to sell the improved property must register with WA State L&I.

Contractor requirements

No permit is issued for work by non-owners unless the contractor is registered with Washington State L&I and in good standing.

Fees

Plan check fee

65% of the building permit fee

Permit fee formula

Building permit fees are based on the improvement value of the project, as determined by the building official. Specific amounts are available in the Douglas County Code 15.12 and the 2026 Building & Land Use Fee Schedule.

Reinspection fee

Charged when work is not ready or accessible at the time of inspection

Penalty (no permit)

$500 or triple the permit fee (whichever is greater) for work commenced without a permit, plus regular permit fees

Payment note

Plan review fees are due at submittal for commercial projects over $100,000. State surcharge of $6.50 per residential permit or $25.00 per commercial permit applies in addition to county fees. Expired permits may be renewed within one year at 50% fee reduction.

Fees change. Verify current amounts at the official fee schedule (effective 2026).

Work That Does NOT Require a Permit

• Detached accessory structures: single-story, up to 200 sq ft, used as tool sheds or playhouses, with no plumbing or sleeping accommodations
• Retaining walls: 4 feet or less in height (measured from bottom of footing to top of wall)
• Interior finishing: painting, tiling, cabinets, carpet/flooring installation (no structural changes)

Important: Agricultural buildings may be exempt under Washington State law (WAC 51-50) when used exclusively for housing farm implements, hay, grain, poultry, livestock, or horticultural products, and not used by the public or for human habitation or employment where products are processed. Douglas County has significant wildland-urban interface (WUI) risk; even for otherwise exempt work in WUI-mapped areas, fire-resistant building materials and defensible space requirements may apply. Confirm exemption eligibility with the Permit Center before proceeding.

Inspections

How to Schedule

• SmartGov portal (online)
• (509) 884-7173 (phone)

Scheduling deadline

At minimum one business day advance notice required. Same-day inspections are not allowed. Access inspections require three full business days minimum.

Inspection hours

Monday-Friday, 7:00 AM to 4:00 PM (limited staffing 12:00 PM to 1:00 PM)

Typical inspection sequence: Typical required inspection stages: Foundation/footing (before concrete pour), Framing (before insulation or sheathing), Insulation, Mechanical rough-in, Plumbing rough-in, Final inspection (all work complete; required before occupancy). Commercial projects may require significantly more inspections.

Additional Resources

• Building code: 2021 International Building Code (IBC), International Residential Code (IRC), International Mechanical Code (IMC), International Plumbing Code (IPC), International Fire Code (IFC), International Energy Conservation Code (IECC), and International Wildland-Urban Interface Code (IWUIC) with Washington State amendments, effective March 15, 2024.
• Verify contractor license: WA L&I Contractor Lookup
• Douglas County Official Website
• Land Services Department
• Building Inspection Information
• Douglas County Code Chapter 15.12 (Permits and Inspections)
• WA State L&I
• WA State Building Code Council
• WA DNR (WUI fire hazard maps)
• License lookup guide: Washington Contractor License Requirements
• Contract template: Washington Homeowner-Contractor Agreement
• Washington hub: Washington Contractor License & Permit Hub

Frequently Asked Questions

Douglas County Building Permit FAQ

Do I need a building permit in unincorporated Douglas County, WA?

A building permit is required for: new construction, remodeling, or additions affecting roofs, foundations, bearing walls, doors, or windows; wood stove installations; swimming pools (in-ground and above-ground); decks over 30 inches high or roofed detached decks; retaining walls exceeding 4 feet in height; propane tank and gas appliance installations; underground storage tank installation or decommissioning; building or structure demolition; prefabricated structures (2+ stories or exceeding 200 sq ft); and carports.

How much does a building permit cost in unincorporated Douglas County, WA?

Fees are calculated as: Building permit fees are based on the improvement value of the project, as determined by the building official. Specific amounts are available in the Douglas County Code 15.12 and the 2026 Building & Land Use Fee Schedule.. Plan check fee: 65% of the building permit fee.

How do I apply for a building permit in unincorporated Douglas County, WA?

1. Contact the Permit Center for a pre-application consultation to determine which permits are needed: (509) 884-7173 or permits@co.douglas.wa.us. 2. Prepare electronic submittals (PDF) with two sets of legible plans drawn to scale: plot plan, foundation plan, building elevation plan, floor plan, floor and roof framing plan or truss layout, section view showing structural and construction details, and any additional plans determined by the Building Official. 3. Submit application in person at 140 19th Street NW, Suite A, East Wenatchee, or by email to permits@co.douglas.wa.us, Monday-Friday, 7:00 AM to 4:00 PM. 4. Building Services conducts plan review. Single-family residential review takes approximately four weeks after the application is deemed complete. Commercial and complex projects may take longer and undergo multi-agency review. 5. Contact the office to link your permit to the SmartGov portal and obtain an access code. 6. Pay required fees (plan review fees due at submittal for commercial projects over $100,000). 7. Upon approval, permit is issued. 8. Schedule inspections through SmartGov portal or by phone. Advance notice of at least one business day is required (same-day inspections not allowed; access inspections require three full business days minimum).

How long does it take to get a building permit in unincorporated Douglas County, WA?

Typical processing time is Approximately four weeks for single-family residential review after application is deemed complete. Commercial and complex projects may take longer..

What work is exempt from building permits in unincorporated Douglas County, WA?

The following work is generally exempt: Detached accessory structures: single-story, up to 200 sq ft, used as tool sheds or playhouses, with no plumbing or sleeping accommodations; Retaining walls: 4 feet or less in height (measured from bottom of footing to top of wall); Interior finishing: painting, tiling, cabinets, carpet/flooring installation (no structural changes). Note: Agricultural buildings may be exempt under Washington State law (WAC 51-50) when used exclusively for housing farm implements, hay, grain, poultry, livestock, or horticultural products, and not used by the public or for human habitation or employment where products are processed. Douglas County has significant wildland-urban interface (WUI) risk; even for otherwise exempt work in WUI-mapped areas, fire-resistant building materials and defensible space requirements may apply. Confirm exemption eligibility with the Permit Center before proceeding.

How do I schedule a building inspection in unincorporated Douglas County, WA?

Inspections can be scheduled via: SmartGov portal, (509) 884-7173. At minimum one business day advance notice required. Same-day inspections are not allowed. Access inspections require three full business days minimum..