Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
Last sold for $280,000 on Dec 19, 2022

3970 N INTERSTATE AVE

PORTLAND, OR 97227
228 ft²
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 200839 floors31 units757–1,450 ft²
$7.8M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$240K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$293
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

-1.3%vs the Portland ZIP median sale $/ft² ($297)

Sales Performance

$200K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-11.1%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.5%per yeartypical hold 4.5 yrsfrom 42 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20092011201420162019202120232026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20092011201420162019202120232026

73 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$197K$241K$284K$328K757 ft²896 ft²1,034 ft²1,173 ft²1,311 ft²1,450 ft²
Studio
Studio
31 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
Studio · 1 ba · 769 ft²
14 units
Studio · 1 ba · 757 ft²
2 units
Studio · 1 ba · 768 ft²
2 units
Studio · 1 ba · 869 ft²
2 units
Studio · 1 ba · 913 ft²
2 units
Studio · 2 ba · 1,256 ft²
2 units
One-off layouts
7 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$197K–$210K
3 units
$219K–$228K
5 units
$232K–$244K
12 units
$247K–$250K
3 units
$286K–$286K
1 unit
$296K–$305K
4 units
$314K–$328K
3 units

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·01
$290/ft²
Line ·03
$283/ft²
Line ·06
$276/ft²
Line ·04
$276/ft²
Line ·05
$275/ft²
Line ·02
$261/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.74%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.10%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.7.6 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.25%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.52%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$236,769
Median tax billThe middle annual property tax bill among the building's units.$4,248
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 208Jul 22, 2026$200,000BuildingJan 31, 2025$225,000Unit 203May 23, 2023$244,500Unit 406May 19, 2023$410,000Unit 204Apr 24, 2023$240,000BuildingDec 19, 2022$280,000Unit 101Jun 17, 2022$294,800Unit 402Oct 15, 2021$415,000Unit 306Sep 16, 2021$265,000Unit 309Aug 6, 2021$314,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$339 (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.$12,570 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,210
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$21,060

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.0.01
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Beach Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
H
Jefferson High SchoolC+
High · Grades 9–12 · 0.8 mi
M
Ockley Green Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi

District: Portland School District 1j

Neighborhood · ZIP 97227These 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.145
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 100.182

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.87%
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.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.6,329
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,011 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,885
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,166
Average tempThe average temperature here across a full year.54°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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

3970 N Interstate Ave
$232K
3970 N Interstate Ave
$201K
3970 N Interstate Ave # 101
1 ba · 784 ft²
$223K
3970 N Interstate Ave Unit 102
1 ba · 769 ft²
$232K
3970 N Interstate Ave Unit 103
1 ba · 769 ft²
$238K
3970 N Interstate Ave Unit 104
1 ba · 822 ft²
$236K
3970 N Interstate Ave Unit 201
1 ba · 757 ft²
$240K
3970 N Interstate Ave # 202
1 ba · 869 ft²
$222K
3970 N Interstate Ave # 203
1 ba · 769 ft²
$228K
3970 N Interstate Ave # 204
1 ba · 769 ft²
$197K
3970 N Interstate Ave # 205
1 ba · 769 ft²
$222K
3970 N Interstate Ave Unit 206
1 ba · 769 ft²
$244K
3970 N Interstate Ave Unit 207
1 ba · 769 ft²
$236K
3970 N Interstate Ave # 208
1 ba · 769 ft²
$199K
3970 N Interstate Ave Unit 209
1 ba · 768 ft²
$235K
3970 N Interstate Ave Unit 210
1 ba · 913 ft²
$314K
3970 N Interstate Ave # 301
1 ba · 757 ft²
$250K
3970 N Interstate Ave Unit 302
1 ba · 869 ft²
$247K
3970 N Interstate Ave Unit 303
1 ba · 769 ft²
$210K
3970 N Interstate Ave Unit 304
1 ba · 769 ft²
$244K
3970 N Interstate Ave Unit 305
1 ba · 769 ft²
$219K
3970 N Interstate Ave # 306
1 ba · 769 ft²
$232K
3970 N Interstate Ave Unit 307
1 ba · 769 ft²
$239K
3970 N Interstate Ave Unit 308
1 ba · 769 ft²
$244K
3970 N Interstate Ave Unit 309
1 ba · 768 ft²
$247K
3970 N Interstate Ave Unit 310
1 ba · 913 ft²
$305K
3970 N Interstate Ave Unit 401
2 ba · 1,292 ft²
$296K
3970 N Interstate Ave Unit 402
2 ba · 1,409 ft²
$286K
3970 N Interstate Ave # 403
2 ba · 1,256 ft²
$320K
3970 N Interstate Ave Unit 404
2 ba · 1,256 ft²
$305K
3970 N Interstate Ave Unit 405
2 ba · 1,306 ft²
$328K
3970 N Interstate Ave # 406
2 ba · 1,450 ft²
$303K
3970 N Interstate Ave # 3990
$242K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 3970 N Interstate Ave

How many units are in 3970 N Interstate Ave, Portland, OR?

3970 N Interstate Ave, Portland, OR has 31 residential units across 39 floors, built in 2008, according to county assessor records.

What is a unit at 3970 N Interstate Ave, Portland, OR worth?

The median TopHap Estimate across the 31 units at 3970 N Interstate Ave, Portland, OR is $239,564. That works out to $293 per square foot. Units run from 757 to 1,450 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 3970 N Interstate Ave, Portland, OR expensive for Portland?

Units at 3970 N Interstate Ave, Portland, OR carry a median of $293 per square foot, 1% below the Portland median of $297 per square foot.

How often do units sell at 3970 N Interstate Ave, Portland, OR?

1 units at 3970 N Interstate Ave, Portland, OR sold in the last 12 months, out of 73 recorded arms-length sales all time. That is a turnover rate of 3.2% of the building per year. The median sale over that period was $200K.

Have units at 3970 N Interstate Ave, Portland, OR appreciated?

Across 42 repeat sales of the same unit, 3970 N Interstate Ave, Portland, OR returned a median 3.5% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 4.5 years.

What floor plans does 3970 N Interstate Ave, Portland, OR have?

The most common plan at 3970 N Interstate Ave, Portland, OR is a 0-bedroom of 769 square feet, repeated 14 times, with a median estimate of $232,375. TopHap identifies 6 recurring plans in the building.

More homes on N Interstate Ave

Closest homes

More homes in Portland 97227

Assigned schools

Explore the area

See this home in context

Open 3970 N Interstate Ave 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