Washington County
Oregon
Español

Land Use Ordinances in Progress

A land use ordinance adopts, amends or repeals provisions of the Washington County Comprehensive Plan, which includes additional plans and related maps, or otherwise directly governs the use of land.
Land Use Ordinances

Receive updates

Sign up

U.S. Mail: Follow instructions on the Annual Land Use Notice subscription form

Official communications:

Official communications on ordinances must be received in writing or provided at a hearing.

Written and emailed testimony must include your name, address and phone number. Submit by email or U.S. Mail:

Washington County Long Range Planning
155 N First Ave., Suite 350, MS14
Hillsboro, OR 97124-3072

To testify at a public hearing:

Planning Commission How to Testify
Board of Commissioners How to Testify

A-Engrossed Ordinance No. 909 amending the Washington County – Cornelius Urban Planning Area Agreement, an element of the Washington County Comprehensive Plan

Ordinance Number
909a
Ordinance No. 909A (PDF 1.12 MB)

A-Engrossed Ordinance No. 909 would amend the Washington County – Cornelius Urban Planning Area Agreement
(UPAA). Proposed updates include minor changes to the policies and processes for planning
coordination in the unincorporated areas adjacent to the city where both the city and County have an
interest in comprehensive planning (the ‘Urban Planning Area’). The map is revised to reflect Cornelius’
Urban Planning Area and annexations since the last update.

Planning Commission Meeting
6:30 p.m. Nov. 19, 2025
Board of Commissioners Hearing(s)
10:00 a.m. January 6, 2026
10 a.m. February 3
6:30 p.m. February 24 (agenda available one week prior to meeting)
In progress ordinance

Ordinance No. 912 amending the Rural/Natural Resource Plan and the Community Development Code for Rural ADUs

Ordinance Number
912
Ordinance No. 912 (PDF 611.56 KB)

Ordinance No. 912 would amend the Rural/Natural Resource Plan and the Community Development Code to allow Rural Accessory Dwelling Units and Rural Historic Accessory Dwelling Units in rural residential districts, subject to certain requirements.

Planning Commission Meeting
1:30 p.m. Jan. 7, 2026
Board of Commissioners Hearing(s)
6:30 p.m. Feb. 24, 2026 - Agenda available here one week before meeting.
In progress ordinance