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Single Family ResidenceResidential
$405,090$426 / 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 93How 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 $429,000 on Oct 4, 2023

663 20TH ST

ASTORIA, OR 97103
2
Beds
1
Baths
952 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Valuation

$405K
$377K low$433K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$429,000 · Oct 4, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,671 (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.$133,786 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$129,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$394,368

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.47
94
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
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.124 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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
CountyCLATSOP
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.11
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
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.Shed · 96 ft²Porch · 96 ft²

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.

M
Astoria Middle SchoolC-
Middle · Grades 6–8 · 0.7 mi
E
John Jacob Astor Elementary School
Elementary · Grades KG–2 · 0.9 mi
H
Astoria High SchoolC+
High · Grades 9–12 · 1.6 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

663 20th 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 less than 70% of homes in Clatsop County
  • Costs more per square foot than 93% of homes in Astoria 97103
  • Smaller than 91% of homes in Astoria Downtown
  • Has a smaller lot than 77% of homes in Astoria 97103
  • Older than 97% of homes in Clatsop County

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
$194K$866K

This home is worth more than 40% 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$405,090
CheaperTypical $443,742Pricier

Pricier than 40% of homes nearby

Price per ft²$426
CheaperTypical $292Pricier

Pricier than 93% of homes nearby

Living area952 ft²
SmallerTypical 1,548 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.11 ac
SmallerTypical 0.31 acBigger

Bigger than 23% of homes nearby

Year built1900
OlderTypical 1952Newer

Newer than 8% of homes nearby

How 663 20th St ranks against every home in each area.
MeasureThis homeAstoria DowntownAstoria 97103Clatsop County
Estimated valuepricier than$405,09037% of homes40% of homes30% of homes
Price per ft²pricier than$42689% of homes93% of homes73% of homes
Living areabigger than952 ft²9% of homes12% of homes16% of homes
Lot sizebigger than0.11 ac70% of homes23% of homes26% of homes
Year builtnewer than190032% of homes8% of homes3% of homes

About 663 20th St

How much is 663 20th St, Astoria, OR worth?

The TopHap Estimate for 663 20th St, Astoria, OR is $405,090 as of Aug 30, 2026. The likely range is $377,426 to $432,754. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 663 20th St, Astoria, OR last sell?

663 20th St, Astoria, OR last sold on Oct 4, 2023 for $429,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 663 20th St, Astoria, OR?

663 20th St, Astoria, OR has 2 bedrooms, 1 bathrooms, 952 square feet of living space and a 0.11-acre lot.

When was 663 20th St, Astoria, OR built?

663 20th St, Astoria, OR was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 663 20th St, Astoria, OR?

663 20th St, Astoria, OR is assigned to Astoria Middle School (middle), rated C-; John Jacob Astor Elementary School (elementary); 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 663 20th St, Astoria, OR compare to other homes in Astoria 97103?

Among the 7,197 homes in Astoria 97103, it is worth more than 40% of them ($405,090 against a typical $443,742), its price per square foot is higher than 93% of them ($426 against a typical $292), it is bigger than 12% of them (952 ft² against a typical 1,548 ft²), its lot is bigger than 23% of them (0.11 ac against a typical 0.31 ac) and it is newer than 8% of them (1900 against a typical 1952). Measured against all of Clatsop County, it is worth more than 30% 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 663 20th St, Astoria, OR?

The 2025 property tax bill for 663 20th St, Astoria, OR was $2,671. The county assessed it at $133,786.

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