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Single Family ResidenceResidential
$587,316$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 93How 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 $315,000 on May 20, 2005

9915 SW 31ST AVE

PORTLAND, OR 97219
2
Beds
2
Baths
2,200 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$587K
$547K low$627K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · May 20, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,687 (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.$322,690 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$313,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$716,570

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Entry
CountyMultnomah
Lot (acres)The size of the land the home sits on, from county records.0.23
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Forced Air
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 · 150 ft²Patio · 14 ft²

Transaction History(1)

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.

M
Jackson Middle SchoolA-
Middle · Grades 6–8 · 0.4 mi
E
Stephenson Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi
H
Ida B. Wells High SchoolA-
High · Grades 9–12 · 1.9 mi

District: Portland School District 1j

Neighborhood · ZIP 97219These 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.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.188

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.38%
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.41,349
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,492 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$122,028
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,288
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

9915 Sw 31st 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 67% of homes in Multnomah County
  • Costs less per square foot than 87% of homes in Portland 97219
  • Bigger than 77% of homes in Multnomah County
  • Has a bigger lot than 79% of homes in Multnomah County

What homes are worth in Portland 97219

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

This home
$270K$2.1M

This home is worth more than 44% of homes in Portland 97219.

How it measures up in Portland 97219

The dot is this home. The mark in the middle is the typical home in Portland 97219.

Estimated value$587,316
CheaperTypical $615,170Pricier

Pricier than 44% of homes nearby

Price per ft²$267
CheaperTypical $328Pricier

Pricier than 13% of homes nearby

Living area2,200 ft²
SmallerTypical 1,898 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.22 ac
SmallerTypical 0.2 acBigger

Bigger than 57% of homes nearby

Year built1967
OlderTypical 1971Newer

Newer than 47% of homes nearby

How 9915 Sw 31st Ave ranks against every home in each area.
MeasureThis homeMarkhamPortland 97219Multnomah County
Estimated valuepricier than$587,31652% of homes44% of homes67% of homes
Price per ft²pricier than$26722% of homes13% of homes20% of homes
Living areabigger than2,200 ft²68% of homes63% of homes77% of homes
Lot sizebigger than0.22 ac52% of homes57% of homes79% of homes
Year builtnewer than196739% of homes47% of homes57% of homes

About 9915 Sw 31st Ave

How much is 9915 Sw 31st Ave, Portland, OR worth?

The TopHap Estimate for 9915 Sw 31st Ave, Portland, OR is $587,316 as of Sep 24, 2026. The likely range is $547,238 to $627,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9915 Sw 31st Ave, Portland, OR last sell?

9915 Sw 31st Ave, Portland, OR last sold on May 20, 2005 for $315,000, according to the county's recorded deed.

How big is 9915 Sw 31st Ave, Portland, OR?

9915 Sw 31st Ave, Portland, OR has 2 bedrooms, 2 bathrooms, 2,200 square feet of living space and a 0.23-acre lot.

When was 9915 Sw 31st Ave, Portland, OR built?

9915 Sw 31st Ave, Portland, OR was built in 1967, making it 59 years old. It is a split entry home. The building has 1 story.

What schools serve 9915 Sw 31st Ave, Portland, OR?

9915 Sw 31st Ave, Portland, OR is assigned to Jackson Middle School (middle), rated A-; Stephenson Elementary School (elementary), rated A+; Ida B. Wells High School (high), rated A-. All sit in Portland School District 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9915 Sw 31st Ave, Portland, OR compare to other homes in Portland 97219?

Among the 14,657 homes in Portland 97219, it is worth more than 44% of them ($587,316 against a typical $615,170), its price per square foot is higher than 13% of them ($267 against a typical $328), it is bigger than 63% of them (2,200 ft² against a typical 1,898 ft²), its lot is bigger than 57% of them (0.22 ac against a typical 0.2 ac) and it is newer than 47% of them (1967 against a typical 1971). Measured against all of Multnomah 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 9915 Sw 31st Ave, Portland, OR?

The 2025 property tax bill for 9915 Sw 31st Ave, Portland, OR was $8,687. The county assessed it at $322,690.

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