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Single Family ResidenceResidential
$474,528$180 / 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 Oct 21, 2026

640 FLORENCE AVE

ASTORIA, OR 97103
6
Beds
4
Baths
2,640 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1946
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$475K
$448K low$502K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,382 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$220,467 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$214,047
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$725,121

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.41
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
3
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.14 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.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.Cape Cod
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.1953
Lot (acres)The size of the land the home sits on, from county records.0.13
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Floor/Wall Furnace
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.Porch · 48 ft²

Transaction History(2)

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.

H
Astoria High SchoolC+
High · Grades 9–12 · 0.6 mi
M
Astoria Middle SchoolC
Middle · Grades 6–8 · 1.3 mi
E
John Jacob Astor Elementary School
Elementary · Grades KG–2 · 2.7 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

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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

640 Florence 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 97% of homes in Astoria 97103
  • Bigger than 91% of homes in Astoria 97103
  • Has a smaller lot than 71% of homes in Astoria 97103
  • Older than 72% 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
$201K$864K

This home is worth more than 54% 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$474,528
CheaperTypical $458,360Pricier

Pricier than 54% of homes nearby

Price per ft²$180
CheaperTypical $294Pricier

Pricier than 3% of homes nearby

Living area2,640 ft²
SmallerTypical 1,572 ft²Bigger

Bigger than 91% of homes nearby

Lot size0.13 ac
SmallerTypical 0.32 acBigger

Bigger than 29% of homes nearby

Year built1946
OlderTypical 1953Newer

Newer than 42% of homes nearby

How 640 Florence Ave ranks against every home in each area.
MeasureThis homeAstoria 97103Clatsop County
Estimated valuepricier than$474,52854% of homes43% of homes
Price per ft²pricier than$1803% of homes3% of homes
Living areabigger than2,640 ft²91% of homes90% of homes
Lot sizebigger than0.13 ac29% of homes33% of homes
Year builtnewer than194642% of homes28% of homes

About 640 Florence Ave

How much is 640 Florence Ave, Astoria, OR worth?

The TopHap Estimate for 640 Florence Ave, Astoria, OR is $474,528 as of Oct 21, 2026. The likely range is $447,526 to $501,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Florence Ave, Astoria, OR last sell?

640 Florence Ave, Astoria, OR last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 640 Florence Ave, Astoria, OR?

640 Florence Ave, Astoria, OR has 6 bedrooms, 4 bathrooms, 2,640 square feet of living space and a 0.13-acre lot.

When was 640 Florence Ave, Astoria, OR built?

640 Florence Ave, Astoria, OR was built in 1946, making it 80 years old. It is a cape cod home. The building has 1 story.

What schools serve 640 Florence Ave, Astoria, OR?

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

How does 640 Florence Ave, Astoria, OR compare to other homes in Astoria 97103?

Among the 6,711 homes in Astoria 97103, it is worth more than 54% of them ($474,528 against a typical $458,360), its price per square foot is higher than 3% of them ($180 against a typical $294), it is bigger than 91% of them (2,640 ft² against a typical 1,572 ft²), its lot is bigger than 29% of them (0.13 ac against a typical 0.32 ac) and it is newer than 42% of them (1946 against a typical 1953). Measured against all of Clatsop County, it is worth more than 43% 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 640 Florence Ave, Astoria, OR?

The 2026 property tax bill for 640 Florence Ave, Astoria, OR was $4,382. The county assessed it at $220,467.

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