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Single Family ResidenceResidential
$490,260$418 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $509,900 on Jun 28, 2024

4550 SW MARTHA ST

PORTLAND, OR 97221
2
Beds
1
Baths
1,172 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$490K
$441K low$540K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$509,900 · Jun 28, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,649 (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.$209,860 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$203,750
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$493,430

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.0.12
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
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 · 550 ft²Shed · 144 ft²

Transaction History(12)

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
Hayhurst Elementary SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
Robert Gray Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
H
Ida B. Wells High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Portland School District 1j

Neighborhood · ZIP 97221These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.187

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.12,908
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,123 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$136,636
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$196,617
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

4550 Sw Martha St 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 91% of homes in Portland 97221
  • Costs more per square foot than 83% of homes in Portland 97221
  • Smaller than 92% of homes in Portland 97221
  • Has a smaller lot than 97% of homes in Portland 97221
  • Older than 97% of homes in Portland 97221

What homes are worth in Portland 97221

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

This home
$349K$2.1M

This home is worth more than 9% of homes in Portland 97221.

How it measures up in Portland 97221

The dot is this home. The mark in the middle is the typical home in Portland 97221.

Estimated value$490,260
CheaperTypical $765,689Pricier

Pricier than 9% of homes nearby

Price per ft²$418
CheaperTypical $339Pricier

Pricier than 83% of homes nearby

Living area1,172 ft²
SmallerTypical 2,346 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.12 ac
SmallerTypical 0.26 acBigger

Bigger than 3% of homes nearby

Year built1925
OlderTypical 1964Newer

Newer than 3% of homes nearby

How 4550 Sw Martha St ranks against every home in each area.
MeasureThis homeHayhurstPortland 97221Multnomah County
Estimated valuepricier than$490,26016% of homes9% of homes47% of homes
Price per ft²pricier than$41881% of homes83% of homes79% of homes
Living areabigger than1,172 ft²17% of homes8% of homes27% of homes
Lot sizebigger than0.12 ac8% of homes3% of homes42% of homes
Year builtnewer than19254% of homes3% of homes21% of homes

About 4550 Sw Martha St

How much is 4550 Sw Martha St, Portland, OR worth?

The TopHap Estimate for 4550 Sw Martha St, Portland, OR is $490,260 as of Aug 30, 2026. The likely range is $440,672 to $539,848. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4550 Sw Martha St, Portland, OR last sell?

4550 Sw Martha St, Portland, OR last sold on Jun 28, 2024 for $509,900, according to the county's recorded deed. TopHap holds 11 recorded sales for this parcel.

How big is 4550 Sw Martha St, Portland, OR?

4550 Sw Martha St, Portland, OR has 2 bedrooms, 1 bathrooms, 1,172 square feet of living space and a 0.12-acre lot.

When was 4550 Sw Martha St, Portland, OR built?

4550 Sw Martha St, Portland, OR was built in 1925, making it 101 years old. The building has 1 story.

What schools serve 4550 Sw Martha St, Portland, OR?

4550 Sw Martha St, Portland, OR is assigned to Hayhurst Elementary School (elementary), rated A+; Robert Gray Middle School (middle), 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 4550 Sw Martha St, Portland, OR compare to other homes in Portland 97221?

Among the 4,397 homes in Portland 97221, it is worth more than 9% of them ($490,260 against a typical $765,689), its price per square foot is higher than 83% of them ($418 against a typical $339), it is bigger than 8% of them (1,172 ft² against a typical 2,346 ft²), its lot is bigger than 3% of them (0.12 ac against a typical 0.26 ac) and it is newer than 3% of them (1925 against a typical 1964). Measured against all of Multnomah County, it is worth more than 47% 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 4550 Sw Martha St, Portland, OR?

The 2025 property tax bill for 4550 Sw Martha St, Portland, OR was $5,649. The county assessed it at $209,860.

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