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CondominiumResidential
$359,431$260 / 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 97How 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 $166,500 on May 24, 1999

15 ERASMUS ST

LAKE OSWEGO, OR 97035
2
Beds
2.5
Baths
1,382 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.
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$359K
$350K low$369K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$166,500 · May 24, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,716 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$253,500 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$253,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$246,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$430,170

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMULTNOMAH
Lot (acres)The size of the land the home sits on, from county records.0.07
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.Wood
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 · 84 ft²

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
Markham Elementary SchoolA-
Elementary · Grades KG–5 · 0.9 mi
M
Jackson Middle SchoolA
Middle · Grades 6–8 · 1.0 mi
H
Ida B. Wells High SchoolC+
High · Grades 9–12 · 3.3 mi

District: Portland School District 1j

Neighborhood · ZIP 97035These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.189

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.94%
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.3.4%
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.25,687
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,162 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,741
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,301
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

15 Erasmus 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 86% of homes in Lake Oswego 97035
  • Costs less per square foot than 89% of homes in Lake Oswego 97035
  • Smaller than 77% of homes in Lake Oswego 97035
  • Has a smaller lot than 88% of homes in Multnomah County
  • Newer than 92% of homes in Mountain Park

What homes are worth in Lake Oswego 97035

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

This home
$221K$2.3M

This home is worth more than 14% of homes in Lake Oswego 97035.

How it measures up in Lake Oswego 97035

The dot is this home. The mark in the middle is the typical home in Lake Oswego 97035.

Estimated value$359,431
CheaperTypical $738,645Pricier

Pricier than 14% of homes nearby

Price per ft²$260
CheaperTypical $351Pricier

Pricier than 11% of homes nearby

Living area1,382 ft²
SmallerTypical 2,116 ft²Bigger

Bigger than 23% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.22 acBigger

Bigger than 14% of homes nearby

Year built1992
OlderTypical 1980Newer

Newer than 80% of homes nearby

How 15 Erasmus St ranks against every home in each area.
MeasureThis homeMountain ParkLake Oswego 97035Multnomah County
Estimated valuepricier than$359,43137% of homes14% of homes14% of homes
Price per ft²pricier than$26027% of homes11% of homes17% of homes
Living areabigger than1,382 ft²38% of homes23% of homes40% of homes
Lot sizebigger than3,049 ft²28% of homes14% of homes12% of homes
Year builtnewer than199292% of homes80% of homes74% of homes

About 15 Erasmus St

How much is 15 Erasmus St, Lake Oswego, OR worth?

The TopHap Estimate for 15 Erasmus St, Lake Oswego, OR is $359,431 as of Oct 21, 2026. The likely range is $349,608 to $369,254. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15 Erasmus St, Lake Oswego, OR last sell?

15 Erasmus St, Lake Oswego, OR last sold on May 24, 1999 for $166,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 15 Erasmus St, Lake Oswego, OR?

15 Erasmus St, Lake Oswego, OR has 2 bedrooms, 2.5 bathrooms, 1,382 square feet of living space and a 0.07-acre lot.

When was 15 Erasmus St, Lake Oswego, OR built?

15 Erasmus St, Lake Oswego, OR was built in 1992, making it 34 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 15 Erasmus St, Lake Oswego, OR?

15 Erasmus St, Lake Oswego, OR is assigned to Markham Elementary School (elementary), rated A-; Jackson Middle School (middle), rated A; Ida B. Wells High School (high), rated C+. All sit in Portland School District 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15 Erasmus St, Lake Oswego, OR compare to other homes in Lake Oswego 97035?

Among the 9,095 homes in Lake Oswego 97035, it is worth more than 14% of them ($359,431 against a typical $738,645), its price per square foot is higher than 11% of them ($260 against a typical $351), it is bigger than 23% of them (1,382 ft² against a typical 2,116 ft²), its lot is bigger than 14% of them (3,049 ft² against a typical 0.22 ac) and it is newer than 80% of them (1992 against a typical 1980). Measured against all of Multnomah County, it is worth more than 14% 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 15 Erasmus St, Lake Oswego, OR?

The 2026 property tax bill for 15 Erasmus St, Lake Oswego, OR was $5,716. The county assessed it at $253,500.

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