Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$474,223$337 / 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 94How 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 $470,000 on Aug 21, 2025

21508 SE ALDER ST

GRESHAM, OR 97030
3
Beds
1.5
Baths
1,406 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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

$474K
$446K low$503K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$470,000 · Aug 21, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,282 (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.$210,420 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$204,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$419,380

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMULTNOMAH
Lot (acres)The size of the land the home sits on, from county records.0.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
North Gresham Elementary SchoolD-
Elementary · Grades KG–5 · 0.1 mi
M
Clear Creek Middle SchoolF
Middle · Grades 6–8 · 0.5 mi
H
Gresham High SchoolD-
High · Grades 9–12 · 1.0 mi

District: Gresham-Barlow School District 1j

Neighborhood · ZIP 97030These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.183

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.40,594
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,328 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,076
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$77,169
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.53 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

21508 Se Alder 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 82% of homes in North Central
  • Costs more per square foot than 85% of homes in Gresham 97030
  • Has a bigger lot than 85% of homes in North Central
  • Older than 78% of homes in Gresham 97030

What homes are worth in Gresham 97030

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

This home
$172K$593K

This home is worth more than 77% of homes in Gresham 97030.

How it measures up in Gresham 97030

The dot is this home. The mark in the middle is the typical home in Gresham 97030.

Estimated value$474,223
CheaperTypical $416,255Pricier

Pricier than 77% of homes nearby

Price per ft²$337
CheaperTypical $262Pricier

Pricier than 85% of homes nearby

Living area1,406 ft²
SmallerTypical 1,531 ft²Bigger

Bigger than 42% of homes nearby

Lot size0.22 ac
SmallerTypical 0.18 acBigger

Bigger than 79% of homes nearby

Year built1968
OlderTypical 1976Newer

Newer than 22% of homes nearby

How 21508 Se Alder St ranks against every home in each area.
MeasureThis homeNorth CentralGresham 97030Multnomah County
Estimated valuepricier than$474,22382% of homes77% of homes44% of homes
Price per ft²pricier than$33774% of homes85% of homes51% of homes
Living areabigger than1,406 ft²46% of homes42% of homes42% of homes
Lot sizebigger than0.22 ac85% of homes79% of homes79% of homes
Year builtnewer than196827% of homes22% of homes57% of homes

About 21508 Se Alder St

How much is 21508 Se Alder St, Gresham, OR worth?

The TopHap Estimate for 21508 Se Alder St, Gresham, OR is $474,223 as of Sep 24, 2026. The likely range is $445,545 to $502,901. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21508 Se Alder St, Gresham, OR last sell?

21508 Se Alder St, Gresham, OR last sold on Aug 21, 2025 for $470,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 21508 Se Alder St, Gresham, OR?

21508 Se Alder St, Gresham, OR has 3 bedrooms, 1.5 bathrooms, 1,406 square feet of living space and a 0.23-acre lot.

When was 21508 Se Alder St, Gresham, OR built?

21508 Se Alder St, Gresham, OR was built in 1968, making it 58 years old. It is a ranch home. The building has 1 story.

What schools serve 21508 Se Alder St, Gresham, OR?

21508 Se Alder St, Gresham, OR is assigned to North Gresham Elementary School (elementary), rated D-; Clear Creek Middle School (middle), rated F; Gresham High School (high), rated D-. All sit in Gresham-Barlow School District 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21508 Se Alder St, Gresham, OR compare to other homes in Gresham 97030?

Among the 8,564 homes in Gresham 97030, it is worth more than 77% of them ($474,223 against a typical $416,255), its price per square foot is higher than 85% of them ($337 against a typical $262), it is bigger than 42% of them (1,406 ft² against a typical 1,531 ft²), its lot is bigger than 79% of them (0.22 ac against a typical 0.18 ac) and it is newer than 22% of them (1968 against a typical 1976). Measured against all of Multnomah County, it is worth more than 44% 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 21508 Se Alder St, Gresham, OR?

The 2025 property tax bill for 21508 Se Alder St, Gresham, OR was $4,282. The county assessed it at $210,420.

More homes on Se Alder St

Closest homes

More homes in Gresham 97030

Assigned schools

Explore the area

See this home in context

Open 21508 Se Alder 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