Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$687,605$379 / 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 96How 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 $492,000 on May 11, 2016

4309 SE KNAPP ST

PORTLAND, OR 97206
2
Beds
2
Baths
1,816 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$688K
$661K low$714K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$492,000 · May 11, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,538 (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.$279,740 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$271,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$748,810

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.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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, Detached
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 · 180 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
Lewis Elementary SchoolA+
Elementary · Grades KG–5 · 0.2 mi
M
Sellwood Middle SchoolA+
Middle · Grades 6–8 · 1.7 mi
H
Cleveland High SchoolA
High · Grades 9–12 · 2.2 mi

District: Portland School District 1j

Neighborhood · ZIP 97206These 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.88
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.180

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.50,571
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,830 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,047
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,806
Average tempThe average temperature here across a full year.53°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

Do you own this home?
Claim this home

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

4309 Se Knapp 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 more than 94% of homes in Portland 97206
  • Costs more per square foot than 67% of homes in Multnomah County
  • Bigger than 82% of homes in Portland 97206
  • Has a bigger lot than 89% of homes in Woodstock

What homes are worth in Portland 97206

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

This home
$290K$793K

This home is worth more than 94% of homes in Portland 97206.

How it measures up in Portland 97206

The dot is this home. The mark in the middle is the typical home in Portland 97206.

Estimated value$687,605
CheaperTypical $463,958Pricier

Pricier than 94% of homes nearby

Price per ft²$379
CheaperTypical $374Pricier

Pricier than 52% of homes nearby

Living area1,816 ft²
SmallerTypical 1,258 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.17 ac
SmallerTypical 0.11 acBigger

Bigger than 85% of homes nearby

Year built1950
OlderTypical 1951Newer

Newer than 50% of homes nearby

How 4309 Se Knapp St ranks against every home in each area.
MeasureThis homeWoodstockPortland 97206Multnomah County
Estimated valuepricier than$687,60583% of homes94% of homes80% of homes
Price per ft²pricier than$37946% of homes52% of homes67% of homes
Living areabigger than1,816 ft²73% of homes82% of homes64% of homes
Lot sizebigger than0.17 ac89% of homes85% of homes66% of homes
Year builtnewer than195047% of homes50% of homes39% of homes

About 4309 Se Knapp St

How much is 4309 Se Knapp St, Portland, OR worth?

The TopHap Estimate for 4309 Se Knapp St, Portland, OR is $687,605 as of Sep 24, 2026. The likely range is $661,273 to $713,937. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4309 Se Knapp St, Portland, OR last sell?

4309 Se Knapp St, Portland, OR last sold on May 11, 2016 for $492,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4309 Se Knapp St, Portland, OR?

4309 Se Knapp St, Portland, OR has 2 bedrooms, 2 bathrooms, 1,816 square feet of living space and a 0.17-acre lot.

When was 4309 Se Knapp St, Portland, OR built?

4309 Se Knapp St, Portland, OR was built in 1950, making it 76 years old. The building has 1 story.

What schools serve 4309 Se Knapp St, Portland, OR?

4309 Se Knapp St, Portland, OR is assigned to Lewis Elementary School (elementary), rated A+; Sellwood Middle School (middle), rated A+; Cleveland 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 4309 Se Knapp St, Portland, OR compare to other homes in Portland 97206?

Among the 18,465 homes in Portland 97206, it is worth more than 94% of them ($687,605 against a typical $463,958), its price per square foot is higher than 52% of them ($379 against a typical $374), it is bigger than 82% of them (1,816 ft² against a typical 1,258 ft²), its lot is bigger than 85% of them (0.17 ac against a typical 0.11 ac) and it is newer than 50% of them (1950 against a typical 1951). Measured against all of Multnomah County, it is worth more than 80% 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 4309 Se Knapp St, Portland, OR?

The 2025 property tax bill for 4309 Se Knapp St, Portland, OR was $7,538. The county assessed it at $279,740.

More homes on Se Knapp St

Closest homes

More homes in Portland 97206

Assigned schools

Explore the area

See this home in context

Open 4309 Se Knapp St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map