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Duplex (2 Units, Any Combination)Residential
Last sold for $64,500 on Apr 1, 2002

18309 PORTLAND AVE

GLADSTONE, OR 97027
6
Beds
5 / 2
Baths
2,680 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.
2002
Year BuiltThe year the home was originally built, according to county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$64,500 · Apr 1, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,955 (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.$394,811 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$383,312
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$712,718

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyCLACKAMAS
Lot (acres)The size of the land the home sits on, from county records.0.17
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Gladstone High SchoolC-
High · Grades 9–12 · 0.2 mi
E
John Wetten Elementary SchoolB
Elementary · Grades 1–5 · 0.6 mi
M
Kraxberger Middle SchoolC+
Middle · Grades 6–8 · 0.8 mi

District: Gladstone School District 115

Neighborhood · ZIP 97027These 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.109
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 100.176

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.12,430
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,729 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,903
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,311
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

18309 Portland Ave 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.

  • Bigger than 87% of homes in Gladstone 97027
  • Has a smaller lot than 73% of homes in Clackamas County
  • Newer than 96% of homes in Gladstone 97027

How it measures up in Gladstone 97027

The dot is this home. The mark in the middle is the typical home in Gladstone 97027.

Living area2,680 ft²
SmallerTypical 1,838 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.17 ac
SmallerTypical 0.17 acBigger

Bigger than 37% of homes nearby

Year built2002
OlderTypical 1971Newer

Newer than 96% of homes nearby

How 18309 Portland Ave ranks against every home in each area.
MeasureThis homeGladstone 97027Clackamas County
Living areabigger than2,680 ft²87% of homes75% of homes
Lot sizebigger than0.17 ac37% of homes27% of homes
Year builtnewer than200296% of homes79% of homes

About 18309 Portland Ave

When did 18309 Portland Ave, Gladstone, OR last sell?

18309 Portland Ave, Gladstone, OR last sold on Apr 1, 2002 for $64,500, according to the county's recorded deed.

How big is 18309 Portland Ave, Gladstone, OR?

18309 Portland Ave, Gladstone, OR has 6 bedrooms, 5 bathrooms, 2,680 square feet of living space and a 0.17-acre lot.

When was 18309 Portland Ave, Gladstone, OR built?

18309 Portland Ave, Gladstone, OR was built in 2002, making it 24 years old. It is a duplex single home.

What schools serve 18309 Portland Ave, Gladstone, OR?

18309 Portland Ave, Gladstone, OR is assigned to Gladstone High School (high), rated C-; John Wetten Elementary School (elementary), rated B; Kraxberger Middle School (middle), rated C+. All sit in Gladstone School District 115. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18309 Portland Ave, Gladstone, OR compare to other homes in Gladstone 97027?

Among the 3,765 homes in Gladstone 97027, it is bigger than 87% of them (2,680 ft² against a typical 1,838 ft²), its lot is bigger than 37% of them (0.17 ac against a typical 0.17 ac) and it is newer than 96% of them (2002 against a typical 1971). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18309 Portland Ave, Gladstone, OR?

The 2025 property tax bill for 18309 Portland Ave, Gladstone, OR was $7,955. The county assessed it at $394,811.

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Assigned schools

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