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Single Family ResidenceResidential
$542,055$412 / 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 96How 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
Last sold for $295,000 on Sep 15, 2015

18237 SW SWANSTROM DR

SHERWOOD, OR 97140
3
Beds
2
Baths
1,315 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
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

$542K
$521K low$563K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$295,000 · Sep 15, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,092 (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.$265,070 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$257,350
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$530,720

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
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
Lot (acres)The size of the land the home sits on, from county records.0.17
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

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

E
Ridges Elementary SchoolA+
Elementary · Grades PK–5 · 0.3 mi
H
Sherwood High SchoolB+
High · Grades 9–12 · 0.4 mi
M
Sherwood Middle SchoolA-
Middle · Grades 6–8 · 0.7 mi

District: Sherwood School District 88j

Neighborhood · ZIP 97140These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
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.30,807
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.706 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,614
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,064
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

Owner Tools

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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

18237 Sw Swanstrom Dr 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 less than 69% of homes in Sherwood 97140
  • Costs more per square foot than 95% of homes in Sherwood-Tualatin
  • Smaller than 87% of homes in Sherwood 97140
  • Has a bigger lot than 65% of homes in Sherwood-Tualatin
  • Newer than 67% of homes in Washington County

What homes are worth in Sherwood 97140

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

This home
$275K$1.7M

This home is worth more than 31% of homes in Sherwood 97140.

How it measures up in Sherwood 97140

The dot is this home. The mark in the middle is the typical home in Sherwood 97140.

Estimated value$542,055
CheaperTypical $621,763Pricier

Pricier than 31% of homes nearby

Price per ft²$412
CheaperTypical $313Pricier

Pricier than 91% of homes nearby

Living area1,315 ft²
SmallerTypical 1,958 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 56% of homes nearby

Year built1999
OlderTypical 1997Newer

Newer than 60% of homes nearby

How 18237 Sw Swanstrom Dr ranks against every home in each area.
MeasureThis homeSherwood-TualatinSherwood 97140Washington County
Estimated valuepricier than$542,05538% of homes31% of homes48% of homes
Price per ft²pricier than$41295% of homes91% of homes94% of homes
Living areabigger than1,315 ft²15% of homes13% of homes19% of homes
Lot sizebigger than0.17 ac65% of homes56% of homes51% of homes
Year builtnewer than199964% of homes60% of homes67% of homes

About 18237 Sw Swanstrom Dr

How much is 18237 Sw Swanstrom Dr, Sherwood, OR worth?

The TopHap Estimate for 18237 Sw Swanstrom Dr, Sherwood, OR is $542,055 as of Oct 21, 2026. The likely range is $521,251 to $562,859. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18237 Sw Swanstrom Dr, Sherwood, OR last sell?

18237 Sw Swanstrom Dr, Sherwood, OR last sold on Sep 15, 2015 for $295,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 18237 Sw Swanstrom Dr, Sherwood, OR?

18237 Sw Swanstrom Dr, Sherwood, OR has 3 bedrooms, 2 bathrooms, 1,315 square feet of living space and a 0.17-acre lot.

When was 18237 Sw Swanstrom Dr, Sherwood, OR built?

18237 Sw Swanstrom Dr, Sherwood, OR was built in 1999, making it 27 years old.

What schools serve 18237 Sw Swanstrom Dr, Sherwood, OR?

18237 Sw Swanstrom Dr, Sherwood, OR is assigned to Ridges Elementary School (elementary), rated A+; Sherwood High School (high), rated B+; Sherwood Middle School (middle), rated A-. All sit in Sherwood School District 88j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18237 Sw Swanstrom Dr, Sherwood, OR compare to other homes in Sherwood 97140?

Among the 8,701 homes in Sherwood 97140, it is worth more than 31% of them ($542,055 against a typical $621,763), its price per square foot is higher than 91% of them ($412 against a typical $313), it is bigger than 13% of them (1,315 ft² against a typical 1,958 ft²), its lot is bigger than 56% of them (0.17 ac against a typical 0.16 ac) and it is newer than 60% of them (1999 against a typical 1997). Measured against all of Washington County, it is worth more than 48% 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 18237 Sw Swanstrom Dr, Sherwood, OR?

The 2025 property tax bill for 18237 Sw Swanstrom Dr, Sherwood, OR was $5,092. The county assessed it at $265,070.

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