Washington County
Washington County, Oregon: solar permitting grade C (score 46/100, Elevated Risk). Score has been stable over the last 12 months. Primary-source ordinance and board-vote data on SitePath.
Public summary
| Grade | C · Elevated Risk · Score 46/100 |
| Population | 600,372 |
| Solar ordinance | Ordinance status documented in detail |
| Active moratorium | None on record |
| Regulatory trajectory | Improving (ordinance direction easing) |
| 12-month score movement | Stable |
| Last verified | 2026-05-02 |
Developer outlook
Washington County carries elevated permitting risk. Developers should budget additional time for ordinance review, public hearing preparation, and community engagement. Oregon's state RPS policy provides a supportive macro backdrop for renewables, even where individual county ordinances are restrictive. Market saturation is elevated in this area — expect competition for prime land parcels and interconnection capacity.
Local intel
On file: named opposition groups
Cities, towns & townships
Local governments in Washington County. An incorporated city, town or village can adopt its own zoning, separate from the county’s.
- Banks city
- Beaverton city
- Cornelius city
- Durham city
- Forest Grove city
- Gaston city
- Hillsboro city
- King City city
- Lake Oswego citypartly in this county
- North Plains city
- Portland citypartly in this county
- Rivergrove citypartly in this county
- Sherwood city
- Tigard city
- Tualatin citypartly in this county
- Wilsonville citypartly in this county
Source: U.S. Census Bureau, incorporated places and county subdivisions with an active government.
Nearby counties
- Yamhill County · ≈24 miD52—
- Columbia County · ≈27 miB33—
- Tillamook County · ≈33 miB36—
- Multnomah County · ≈33 miB36—
- Clark County, WA · ≈33 miB32—
- Clatsop County · ≈44 miB41—
Compare these counties side-by-side →
Washington County ranks #15 of 36 ranked Oregon counties (1 = lowest permitting risk). Lowest-risk in Oregon: Columbia County (B · 33), Deschutes County (B · 36), Lincoln County (B · 36). See all Oregon county grades →
Want the full record?
Setback distances, board vote histories, source documents, and ordinance amendments are available in the full county profile. The map is free; a walkthrough shows you the underlying record.
About this score
Every U.S. county is scored 0–100 on solar permitting risk (lower is friendlier to development). The grade is a weighted composite of compliance stringency, market saturation, regulatory trajectory, and data uncertainty. Every figure traces back to a primary government document. Read the full methodology →
Related reading
SitePath Intelligence is a research platform. Data verified as of 2026-05-02. Scores update on a quarterly review cycle.