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Single Family ResidenceResidential
$2,394,596$594 / 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 85How 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 $80,000 on Mar 27, 1998

9990 S RIVERSIDE DR

PORTLAND, OR 97219
3.5
Baths
4,028 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
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

$2.4M
$2M low$2.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$80,000 · Mar 27, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$23,184 (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.$936,340 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$909,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,817,910

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

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
CountyMULTNOMAH
Lot (acres)The size of the land the home sits on, from county records.0.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Heat Pump
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 · 270 ft²Boat access

Transaction History(3)

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
Riverdale Grade SchoolA+
Elementary · Grades KG–8 · 0.9 mi
H
Riverdale High SchoolA+
High · Grades 9–12 · 1.2 mi

District: Riverdale School District 51j

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%

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

9990 S Riverside 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.

  • Among the most valuable homes in Multnomah County
  • Costs more per square foot than 97% of homes in Portland 97219
  • Bigger than 97% of homes in Multnomah County
  • Has a smaller lot than 96% of homes in Riverdale
  • Newer than 96% of homes in Riverdale

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
$268K$2.1M

This home is worth more than almost all 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$2,394,596
CheaperTypical $614,731Pricier

Pricier than almost all homes nearby

Price per ft²$594
CheaperTypical $330Pricier

Pricier than 97% of homes nearby

Living area4,028 ft²
SmallerTypical 1,885 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.23 ac
SmallerTypical 0.2 acBigger

Bigger than 63% of homes nearby

Year built2015
OlderTypical 1971Newer

Newer than 96% of homes nearby

How 9990 S Riverside Dr ranks against every home in each area.
MeasureThis homeRiverdalePortland 97219Multnomah County
Estimated valuepricier than$2,394,59675% of homesalmost all homesalmost all homes
Price per ft²pricier than$59487% of homes97% of homes97% of homes
Living areabigger than4,028 ft²45% of homes95% of homes97% of homes
Lot sizebigger than0.23 ac4% of homes63% of homes82% of homes
Year builtnewer than201596% of homes96% of homes95% of homes

About 9990 S Riverside Dr

How much is 9990 S Riverside Dr, Portland, OR worth?

The TopHap Estimate for 9990 S Riverside Dr, Portland, OR is $2,394,596 as of Sep 24, 2026. The likely range is $2,037,324 to $2,751,868. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9990 S Riverside Dr, Portland, OR last sell?

9990 S Riverside Dr, Portland, OR last sold on Mar 27, 1998 for $80,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9990 S Riverside Dr, Portland, OR?

9990 S Riverside Dr, Portland, OR has 3.5 bathrooms, 4,028 square feet of living space and a 0.23-acre lot.

When was 9990 S Riverside Dr, Portland, OR built?

9990 S Riverside Dr, Portland, OR was built in 2015, making it 11 years old.

What schools serve 9990 S Riverside Dr, Portland, OR?

9990 S Riverside Dr, Portland, OR is assigned to Riverdale Grade School (elementary), rated A+; Riverdale High School (high), rated A+. All sit in Riverdale School District 51j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9990 S Riverside Dr, Portland, OR compare to other homes in Portland 97219?

Among the 14,687 homes in Portland 97219, it is worth more than almost all of them ($2,394,596 against a typical $614,731), its price per square foot is higher than 97% of them ($594 against a typical $330), it is bigger than 95% of them (4,028 ft² against a typical 1,885 ft²), its lot is bigger than 63% of them (0.23 ac against a typical 0.2 ac) and it is newer than 96% of them (2015 against a typical 1971). Measured against all of Multnomah County, it is worth more than almost all 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 9990 S Riverside Dr, Portland, OR?

The 2025 property tax bill for 9990 S Riverside Dr, Portland, OR was $23,184. The county assessed it at $936,340.

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