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Single Family ResidenceResidential
$628,893$267 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

17855 SW SIOUX CT

TUALATIN, OR 97062
3
Beds
2
Baths
2,352 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$629K
$593K low$664K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,805 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$319,410 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$310,110
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$641,090

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
40
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
38
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWASHINGTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 450 ft²Patio · 450 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Hazelbrook Middle SchoolC
Middle · Grades 6–8 · 0.7 mi
H
Tualatin High SchoolC-
High · Grades 9–12 · 2.2 mi
E
Bridgeport Elementary SchoolB
Elementary · Grades KG–5 · 2.4 mi

District: Tigard-Tualatin School District

Neighborhood · ZIP 97062These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.183

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.29,385
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,046 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,053
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,327
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

17855 Sw Sioux Ct measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 67% of homes in Washington County
  • Costs less per square foot than 75% of homes in Tualatin 97062
  • Bigger than 73% of homes in Washington County
  • Has a bigger lot than 79% of homes in Tualatin 97062
  • Older than 87% of homes in Tualatin 97062

What homes are worth in Tualatin 97062

Each bar is how many homes fall in that price range. The marker is this home.

This home
$262K$1.7M

This home is worth more than 52% of homes in Tualatin 97062.

How it measures up in Tualatin 97062

The dot is this home. The mark in the middle is the typical home in Tualatin 97062.

Estimated value$628,893
CheaperTypical $619,864Pricier

Pricier than 52% of homes nearby

Price per ft²$267
CheaperTypical $293Pricier

Pricier than 25% of homes nearby

Living area2,352 ft²
SmallerTypical 2,058 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.24 ac
SmallerTypical 0.18 acBigger

Bigger than 79% of homes nearby

Year built1975
OlderTypical 1990Newer

Newer than 13% of homes nearby

How 17855 Sw Sioux Ct ranks against every home in each area.
MeasureThis homeTualatin 97062Washington County
Estimated valuepricier than$628,89352% of homes67% of homes
Price per ft²pricier than$26725% of homes27% of homes
Living areabigger than2,352 ft²61% of homes73% of homes
Lot sizebigger than0.24 ac79% of homes78% of homes
Year builtnewer than197513% of homes26% of homes

About 17855 Sw Sioux Ct

How much is 17855 Sw Sioux Ct, Tualatin, OR worth?

The TopHap Estimate for 17855 Sw Sioux Ct, Tualatin, OR is $628,893 as of Oct 21, 2026. The likely range is $593,466 to $664,320. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17855 Sw Sioux Ct, Tualatin, OR last sell?

17855 Sw Sioux Ct, Tualatin, OR last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 17855 Sw Sioux Ct, Tualatin, OR?

17855 Sw Sioux Ct, Tualatin, OR has 3 bedrooms, 2 bathrooms, 2,352 square feet of living space and a 0.24-acre lot.

When was 17855 Sw Sioux Ct, Tualatin, OR built?

17855 Sw Sioux Ct, Tualatin, OR was built in 1975, making it 51 years old.

What schools serve 17855 Sw Sioux Ct, Tualatin, OR?

17855 Sw Sioux Ct, Tualatin, OR is assigned to Hazelbrook Middle School (middle), rated C; Tualatin High School (high), rated C-; Bridgeport Elementary School (elementary), rated B. All sit in Tigard-Tualatin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17855 Sw Sioux Ct, Tualatin, OR compare to other homes in Tualatin 97062?

Among the 7,846 homes in Tualatin 97062, it is worth more than 52% of them ($628,893 against a typical $619,864), its price per square foot is higher than 25% of them ($267 against a typical $293), it is bigger than 61% of them (2,352 ft² against a typical 2,058 ft²), its lot is bigger than 79% of them (0.24 ac against a typical 0.18 ac) and it is newer than 13% of them (1975 against a typical 1990). Measured against all of Washington County, it is worth more than 67% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17855 Sw Sioux Ct, Tualatin, OR?

The 2025 property tax bill for 17855 Sw Sioux Ct, Tualatin, OR was $5,805. The county assessed it at $319,410.

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