Forest Grove property tax: where it goes
A Forest Grove house pays 1.885% of its taxable value in property tax. For a house at $258,440 of value before exemptions, that's about $4,872 a year.
Tax is levied on Assessed Value (AV), the lesser of Real Market Value (RMV) or Maximum Assessed Value (MAV).
The county's 2026-27 code-area rate tables are not published yet (statements are being mailed October 16-20, 2026), so the 2025-26 certified rates are used.
Who taxes this house
| Taxing agency | Rate | On $258,440 |
|---|---|---|
| All taxing districts in code area 015.19 (City of Forest Grove, Forest Grove School District, Washington County, PCC, Metro and others), 2025-26 consolidated billing rate | 1.8852% | $4,872 |
| Total | 1.885% | $4,872 |
2025-26 tax year, Washington County code area 015.19 (City of Forest Grove, Forest Grove School District).
Ways to pay less
- Pay the property tax in full by November 16. Paying the full current-year tax on time takes 3% off; paying two-thirds on time takes 2% off what you pay. Paying in thirds gets no discount. How: Pay online at washcotax.org, by mail (postmarked on time) or at 155 N. 1st Ave., Suite 130, Hillsboro.
- Seniors or disabled homeowners: property tax deferral. Disabled or senior homeowners can borrow from the State of Oregon to pay their property taxes to the county. Deferral accounts accrue 6 percent interest yearly. The household income limit for 2026 is $70,000. How: File an application with the county assessor by April 15, or late from April 16 to December 1 with a fee.
- Disabled veterans or surviving spouses: property tax exemption. A 40%-or-more disabled veteran, or the surviving spouse or registered domestic partner of a veteran, who owns the home as a primary residence may be entitled to a property tax exemption. How: File the Disabled Veteran or Surviving Spouse Exemption Claim with Washington County between January 1 and April 1 (503-846-8741).
Dates
| When | What |
|---|---|
| Nov 16, 2026 (in 24 days) | Full property tax payment must be postmarked or received by this date for the 3% discount |
| Jan 1 - Apr 1 (each year) | Filing period for the disabled veteran or surviving spouse exemption |
| Jan 1 - Apr 15 | Filing period for the senior and disabled property tax deferral; April 16 to December 1 with a late filing fee |
| Feb 15 | Second property tax installment due (if the 15th falls on a weekend or holiday, payment is timely on the next business day) |
| May 15 | Third property tax installment due (if the 15th falls on a weekend or holiday, payment is timely on the next business day) |
Pay or manage it
Sources
- www.oregon.gov Senior-and-Disabled-Property-Tax-Deferra
- www.washingtoncountyor.gov 2026-27-property-tax-statement
- www.washingtoncountyor.gov senior-and-disabled-citizens-deferral
- www.washingtoncountyor.gov veterans-property-tax-exemption
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.