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Single Family ResidenceResidential
$1,347,032$482 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $785,000 on Aug 1, 2016

12870 SW ELK ROCK RD

LAKE OSWEGO, OR 97034
5
Beds
3
Baths
2,794 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.
0.74 ac
Lot SizeThe size of the land the home sits on, from county records.
1934
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.3M
$1.2M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$785,000 · Aug 1, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,323 (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.$618,326 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$600,317
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,489,524

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyClackamas
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.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Forest Hills Elementary SchoolA
Elementary · Grades KG–5 · 1.2 mi
H
Lake Oswego High SchoolA+
High · Grades 9–12 · 2.4 mi
M
Lake Oswego Middle SchoolA-
Middle · Grades 6–8 · 2.4 mi

District: Lake Oswego School District

Neighborhood · ZIP 97034These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.185

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.21,771
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,630 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,398
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$199,969
Average tempThe average temperature here across a full year.53°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

12870 Sw Elk Rock Rd 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 94% of homes in Clackamas County
  • Costs more per square foot than 92% of homes in Clackamas County
  • Smaller than 83% of homes in Birdshill
  • Has a bigger lot than 92% of homes in Lake Oswego 97034
  • Older than 96% of homes in Lake Oswego 97034

What homes are worth in Lake Oswego 97034

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

This home
$382K$3.9M

This home is worth more than 61% of homes in Lake Oswego 97034.

How it measures up in Lake Oswego 97034

The dot is this home. The mark in the middle is the typical home in Lake Oswego 97034.

Estimated value$1,347,032
CheaperTypical $1,165,307Pricier

Pricier than 61% of homes nearby

Price per ft²$482
CheaperTypical $436Pricier

Pricier than 62% of homes nearby

Living area2,794 ft²
SmallerTypical 2,809 ft²Bigger

Bigger than 50% of homes nearby

Lot size0.74 ac
SmallerTypical 0.25 acBigger

Bigger than 92% of homes nearby

Year built1934
OlderTypical 1974Newer

Newer than 4% of homes nearby

How 12870 Sw Elk Rock Rd ranks against every home in each area.
MeasureThis homeBirdshillLake Oswego 97034Clackamas County
Estimated valuepricier than$1,347,03213% of homes61% of homes94% of homes
Price per ft²pricier than$48242% of homes62% of homes92% of homes
Living areabigger than2,794 ft²17% of homes50% of homes78% of homes
Lot sizebigger than0.74 ac47% of homes92% of homes75% of homes
Year builtnewer than193425% of homes4% of homes7% of homes

About 12870 Sw Elk Rock Rd

How much is 12870 Sw Elk Rock Rd, Lake Oswego, OR worth?

The TopHap Estimate for 12870 Sw Elk Rock Rd, Lake Oswego, OR is $1,347,032 as of Jul 14, 2026. The likely range is $1,242,729 to $1,451,335. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12870 Sw Elk Rock Rd, Lake Oswego, OR last sell?

12870 Sw Elk Rock Rd, Lake Oswego, OR last sold on Aug 1, 2016 for $785,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12870 Sw Elk Rock Rd, Lake Oswego, OR?

12870 Sw Elk Rock Rd, Lake Oswego, OR has 5 bedrooms, 3 bathrooms and 2,794 square feet of living space.

When was 12870 Sw Elk Rock Rd, Lake Oswego, OR built?

12870 Sw Elk Rock Rd, Lake Oswego, OR was built in 1934, making it 92 years old. The building has 1 story.

What schools serve 12870 Sw Elk Rock Rd, Lake Oswego, OR?

12870 Sw Elk Rock Rd, Lake Oswego, OR is assigned to Forest Hills Elementary School (elementary), rated A; Lake Oswego High School (high), rated A+; Lake Oswego Middle School (middle), rated A-. All sit in Lake Oswego School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12870 Sw Elk Rock Rd, Lake Oswego, OR compare to other homes in Lake Oswego 97034?

Among the 8,182 homes in Lake Oswego 97034, it is worth more than 61% of them ($1,347,032 against a typical $1,165,307), its price per square foot is higher than 62% of them ($482 against a typical $436), it is bigger than 50% of them (2,794 ft² against a typical 2,809 ft²), its lot is bigger than 92% of them (0.74 ac against a typical 0.25 ac) and it is newer than 4% of them (1934 against a typical 1974). Measured against all of Clackamas County, it is worth more than 94% 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 12870 Sw Elk Rock Rd, Lake Oswego, OR?

The 2025 property tax bill for 12870 Sw Elk Rock Rd, Lake Oswego, OR was $10,323. The county assessed it at $618,326.

More homes on Sw Elk Rock Rd

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Assigned schools

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