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Single Family ResidenceResidential
$449,148$284 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $443,000 on Mar 6, 2025

3511 HARRISON AVE

ASTORIA, OR 97103
3
Beds
1
Baths
1,580 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$449K
$386K low$512K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$443,000 · Mar 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,778 (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.$189,208 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$183,698
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$479,571

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.34
29
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
36
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
100
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
1
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.0.2 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Modern
CountyCLATSOP
Lot (acres)The size of the land the home sits on, from county records.0.15
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 160 ft²Patio · 192 ft²Porch · 15 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
John Jacob Astor Elementary School
Elementary · Grades KG–2 · 0.2 mi
M
Astoria Middle SchoolC-
Middle · Grades 6–8 · 1.5 mi
H
Astoria High SchoolC+
High · Grades 9–12 · 2.4 mi

District: Astoria School District 1

Neighborhood · ZIP 97103These 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.102
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 100.268

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.19,596
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.57 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,645
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,548
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.96 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

3511 Harrison 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.

  • Costs less per square foot than 71% of homes in Clatsop County
  • Has a smaller lot than 67% of homes in Astoria 97103
  • Newer than 83% of homes in Adair's Port of Upper Astoria

What homes are worth in Astoria 97103

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

This home
$192K$868K

This home is worth more than 52% of homes in Astoria 97103.

How it measures up in Astoria 97103

The dot is this home. The mark in the middle is the typical home in Astoria 97103.

Estimated value$449,148
CheaperTypical $444,065Pricier

Pricier than 52% of homes nearby

Price per ft²$284
CheaperTypical $292Pricier

Pricier than 46% of homes nearby

Living area1,580 ft²
SmallerTypical 1,550 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.15 ac
SmallerTypical 0.31 acBigger

Bigger than 33% of homes nearby

Year built1948
OlderTypical 1952Newer

Newer than 46% of homes nearby

How 3511 Harrison Ave ranks against every home in each area.
MeasureThis homeAdair's Port of Upper AstoriaAstoria 97103Clatsop County
Estimated valuepricier than$449,14853% of homes52% of homes39% of homes
Price per ft²pricier than$28448% of homes46% of homes29% of homes
Living areabigger than1,580 ft²53% of homes52% of homes54% of homes
Lot sizebigger than0.15 ac55% of homes33% of homes35% of homes
Year builtnewer than194883% of homes46% of homes31% of homes

About 3511 Harrison Ave

How much is 3511 Harrison Ave, Astoria, OR worth?

The TopHap Estimate for 3511 Harrison Ave, Astoria, OR is $449,148 as of Aug 30, 2026. The likely range is $386,371 to $511,925. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3511 Harrison Ave, Astoria, OR last sell?

3511 Harrison Ave, Astoria, OR last sold on Mar 6, 2025 for $443,000, according to the county's recorded deed.

How big is 3511 Harrison Ave, Astoria, OR?

3511 Harrison Ave, Astoria, OR has 3 bedrooms, 1 bathrooms, 1,580 square feet of living space and a 0.15-acre lot.

When was 3511 Harrison Ave, Astoria, OR built?

3511 Harrison Ave, Astoria, OR was built in 1948, making it 78 years old. It is a modern home. The building has 1 story.

What schools serve 3511 Harrison Ave, Astoria, OR?

3511 Harrison Ave, Astoria, OR is assigned to John Jacob Astor Elementary School (elementary); Astoria Middle School (middle), rated C-; Astoria High School (high), rated C+. All sit in Astoria School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3511 Harrison Ave, Astoria, OR compare to other homes in Astoria 97103?

Among the 7,197 homes in Astoria 97103, it is worth more than 52% of them ($449,148 against a typical $444,065), its price per square foot is higher than 46% of them ($284 against a typical $292), it is bigger than 52% of them (1,580 ft² against a typical 1,550 ft²), its lot is bigger than 33% of them (0.15 ac against a typical 0.31 ac) and it is newer than 46% of them (1948 against a typical 1952). Measured against all of Clatsop County, it is worth more than 39% 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 3511 Harrison Ave, Astoria, OR?

The 2025 property tax bill for 3511 Harrison Ave, Astoria, OR was $3,778. The county assessed it at $189,208.

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