Washington County, OR Average Home Price (2026)
The average home price in Washington County, Oregon is about $570,000 (the 2026 median across 22 ZIP codes, at ~$293/sq ft) — 24% more expensive than the Oregon median and 97% more expensive than the typical U.S. home.
How Washington County compares
Washington County is relatively expensive for housing nationally: its typical home costs $570,000 against $459,500 for Oregon and $289,000 for the U.S. Within the county, ZIP-level values run from about $469,000 to $734,000.
| Area | Typical value | $ / sq ft |
|---|---|---|
| Washington County | $570,000 | $293 |
| Oregon | $459,500 | $294 |
| United States | $289,000 | $193 |
Cities in Washington County
Cities with their own home-value page, largest first:
Washington County home prices by ZIP code
The 15 most valuable ZIP codes in Washington County (of 22 with data):
| ZIP code | Typical value | $ / sq ft | vs county |
|---|---|---|---|
| 97225 West Slope | $734,000 | $339 | +29% |
| 97229 Portland | $723,000 | $299 | +27% |
| 97109 Buxton | $720,000 | $379 | +26% |
| 97119 Gaston | $642,000 | $379 | +13% |
| 97062 Tualatin | $627,000 | $287 | +10% |
| 97140 Sherwood | $621,000 | $318 | +9% |
| 97106 Banks | $620,000 | $288 | +9% |
| 97224 Tigard | $600,000 | $275 | +5% |
| 97117 Gales Creek | $599,000 | $422 | +5% |
| 97007 Beaverton | $586,000 | $285 | +3% |
| 97223 Tigard | $582,000 | $314 | +2% |
| 97133 North Plains | $558,000 | $281 | -2% |
| 97008 Beaverton | $555,000 | $270 | -3% |
| 97124 Hillsboro | $528,000 | $294 | -7% |
| 97116 Forest Grove | $518,000 | $261 | -9% |
Home value appreciation in Washington County
Home prices in Washington County have risen about 80% over the last 10 years (≈6.0% a year) and +115.6% over 20 years, according to the FHFA house price index through 2025. The most recent year came in at -0.5% — roughly flat. A home worth $570,000 today was worth roughly $317,372 ten years ago.
See where that trend takes a specific home with the home appreciation calculator — statewide, Oregon is +85.5% over the same 10 years. Past appreciation is a track record, not a forecast; local prices can fall.
Calculators for Washington County
Run the numbers for Washington County with the local rates already filled in — change any input to test your own situation.
Salary needed to buy a home in Washington County
To buy the typical $570,000 home in Washington County with 20% down, you need a household income of roughly $155,000 a year (about $3,620 a month for the mortgage, taxes, and insurance). With 10% down the bar rises to about $184,000, because the loan is bigger and mortgage insurance kicks in.
| Down payment | Cash down | Monthly payment | Income needed |
|---|---|---|---|
| 5% (+PMI) | $28,500 | $4,500/mo | $193,000/yr |
| 10% (+PMI) | $57,000 | $4,300/mo | $184,000/yr |
| 20% | $114,000 | $3,620/mo | $155,000/yr |
Assumes a 30-year fixed mortgage at 6.5%, property tax at 1.1% and insurance at 0.45% of value per year, PMI of 0.75% on loans with less than 20% down, and the standard 28% housing-to-income rule. Your rate, taxes, and HOA will move these — run your own numbers in the mortgage calculator.
What your budget buys in Washington County
At about $293 per square foot, here is roughly how much home different budgets get you in Washington County:
| Budget | Approx. size | What that looks like locally |
|---|---|---|
| $300k | 1020 sq ft | below the local median — condos, smaller or older homes |
| $400k | 1370 sq ft | below the local median — condos, smaller or older homes |
| $500k | 1710 sq ft | around the typical home here |
| $600k | 2050 sq ft | around the typical home here |
| $750k | 2560 sq ft | above the median — larger homes or the pricier ZIPs |
Wondering where that budget goes further? The relocation calculator ranks hundreds of U.S. cities by what the same money buys — it opens filtered to Oregon.
Estimate a specific home in Washington County
Enter your ZIP and size for an instant estimate tailored to your exact area:
Washington County home prices: frequently asked
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Browse all Oregon cities and counties, or look up price per square foot by ZIP code nationwide.
Directional estimates from public market data (Realtor.com & Zillow research; FHFA house price index; Census ZIP-to-county relationships), not appraisals.