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Single Family ResidenceResidential
$689,829$351 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $686,000 on Jan 29, 2026

4311 SW 91ST AVE

PORTLAND, OR 97225
3
Beds
2
Baths
1,968 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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

$690K
$626K low$754K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$686,000 · Jan 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,293 (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.$231,870 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$655,910

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.49
46
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
32
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
38
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.2007
Lot (acres)The size of the land the home sits on, from county records.0.49
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.Yes
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, Detached
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 · 100 ft²Shed · 288 ft²Patio · 100 ft²Porch · 117 ft²Greenhouse

Transaction History(2)

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
Raleigh Park Elementary SchoolB+
Elementary · Grades KG–5 · 0.8 mi
M
Whitford Middle SchoolB
Middle · Grades 6–8 · 1.9 mi
H
Beaverton High SchoolC
High · Grades 9–12 · 1.9 mi

District: Beaverton School District 48j

Neighborhood · ZIP 97225These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.26,962
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,106 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$113,884
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,714
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%

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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

4311 Sw 91st Ave 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 76% of homes in Washington County
  • Costs more per square foot than 79% of homes in Washington County
  • Has a bigger lot than 92% of homes in Washington County
  • Older than 97% of homes in Washington County

What homes are worth in Portland 97225

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

This home
$200K$1.6M

This home is worth more than 41% of homes in Portland 97225.

How it measures up in Portland 97225

The dot is this home. The mark in the middle is the typical home in Portland 97225.

Estimated value$689,829
CheaperTypical $748,615Pricier

Pricier than 41% of homes nearby

Price per ft²$351
CheaperTypical $335Pricier

Pricier than 59% of homes nearby

Living area1,968 ft²
SmallerTypical 2,300 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.49 ac
SmallerTypical 0.24 acBigger

Bigger than 88% of homes nearby

Year built1940
OlderTypical 1962Newer

Newer than 5% of homes nearby

How 4311 Sw 91st Ave ranks against every home in each area.
MeasureThis homePortland 97225Washington County
Estimated valuepricier than$689,82941% of homes76% of homes
Price per ft²pricier than$35159% of homes79% of homes
Living areabigger than1,968 ft²37% of homes59% of homes
Lot sizebigger than0.49 ac88% of homes92% of homes
Year builtnewer than19405% of homes3% of homes

About 4311 Sw 91st Ave

How much is 4311 Sw 91st Ave, Portland, OR worth?

The TopHap Estimate for 4311 Sw 91st Ave, Portland, OR is $689,829 as of Sep 24, 2026. The likely range is $625,742 to $753,916. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4311 Sw 91st Ave, Portland, OR last sell?

4311 Sw 91st Ave, Portland, OR last sold on Jan 29, 2026 for $686,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4311 Sw 91st Ave, Portland, OR?

4311 Sw 91st Ave, Portland, OR has 3 bedrooms, 2 bathrooms, 1,968 square feet of living space and a 0.49-acre lot.

When was 4311 Sw 91st Ave, Portland, OR built?

4311 Sw 91st Ave, Portland, OR was built in 1940, making it 86 years old.

What schools serve 4311 Sw 91st Ave, Portland, OR?

4311 Sw 91st Ave, Portland, OR is assigned to Raleigh Park Elementary School (elementary), rated B+; Whitford Middle School (middle), rated B; Beaverton High School (high), rated C. All sit in Beaverton School District 48j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4311 Sw 91st Ave, Portland, OR compare to other homes in Portland 97225?

Among the 7,778 homes in Portland 97225, it is worth more than 41% of them ($689,829 against a typical $748,615), its price per square foot is higher than 59% of them ($351 against a typical $335), it is bigger than 37% of them (1,968 ft² against a typical 2,300 ft²), its lot is bigger than 88% of them (0.49 ac against a typical 0.24 ac) and it is newer than 5% of them (1940 against a typical 1962). Measured against all of Washington County, it is worth more than 76% 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 4311 Sw 91st Ave, Portland, OR?

The 2025 property tax bill for 4311 Sw 91st Ave, Portland, OR was $4,293. The county assessed it at $231,870.

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