Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$331,429
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 87How 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 $30,000 on Feb 20, 2019

490 51ST ST

ASTORIA, OR 97103
0
Baths
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$331K
$288K low$374K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Feb 20, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,561 (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.$214,146 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$214,146
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,126
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$336,511

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.42
66
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.minimal

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
Lot (acres)The size of the land the home sits on, from county records.0.11
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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 · 1.2 mi
M
Astoria Middle SchoolC-
Middle · Grades 6–8 · 2.7 mi
H
Astoria High SchoolC+
High · Grades 9–12 · 3.6 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%

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

490 51st 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 84% of homes in Clatsop County
  • Has a smaller lot than 77% of homes in Astoria 97103
  • Among the newest homes in Alderbrook

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 20% 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$331,429
CheaperTypical $443,742Pricier

Pricier than 20% of homes nearby

Lot size0.11 ac
SmallerTypical 0.31 acBigger

Bigger than 23% of homes nearby

Year built2020
OlderTypical 1952Newer

Newer than almost all homes nearby

How 490 51st St ranks against every home in each area.
MeasureThis homeAlderbrookAstoria 97103Clatsop County
Estimated valuepricier than$331,42940% of homes20% of homes16% of homes
Lot sizebigger than0.11 ac60% of homes23% of homes26% of homes
Year builtnewer than2020almost all homesalmost all homes98% of homes

About 490 51st St

How much is 490 51st St, Astoria, OR worth?

The TopHap Estimate for 490 51st St, Astoria, OR is $331,429 as of Aug 30, 2026. The likely range is $288,411 to $374,447. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 490 51st St, Astoria, OR last sell?

490 51st St, Astoria, OR last sold on Feb 20, 2019 for $30,000, according to the county's recorded deed.

When was 490 51st St, Astoria, OR built?

490 51st St, Astoria, OR was built in 2020, making it 6 years old. The building has 1 story.

What schools serve 490 51st St, Astoria, OR?

490 51st St, 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 490 51st St, Astoria, OR compare to other homes in Astoria 97103?

Among the 7,197 homes in Astoria 97103, it is worth more than 20% of them ($331,429 against a typical $443,742), its lot is bigger than 23% of them (0.11 ac against a typical 0.31 ac) and it is newer than almost all of them (2020 against a typical 1952). Measured against all of Clatsop County, it is worth more than 16% 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 490 51st St, Astoria, OR?

The 2025 property tax bill for 490 51st St, Astoria, OR was $3,561. The county assessed it at $214,146.

More homes on 51st St

Closest homes

More homes in Astoria 97103

Assigned schools

Explore the area

See this home in context

Open 490 51st 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