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Single Family ResidenceResidential
$368,875
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 71How 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

40423 DENNING LN

ASTORIA, OR 97103
0
Baths
1 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$369K
$262K low$476K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,917 (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.$278,102 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$278,102
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$146,072
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$450,255

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
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
Lot (acres)The size of the land the home sits on, from county records.1.00

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hilda Lahti Elementary SchoolB
Elementary · Grades KG–8 · 1.2 mi
H
Knappa High SchoolD-
High · Grades 9–12 · 1.3 mi

District: Knappa School District 4

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

40423 Denning Ln 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 77% of homes in Clatsop County
  • Has a bigger lot than 76% of homes in Clatsop County
  • Among the newest homes in Astoria 97103

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
$196K$870K

This home is worth more than 30% 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$368,875
CheaperTypical $441,916Pricier

Pricier than 30% of homes nearby

Lot size1 ac
SmallerTypical 0.32 acBigger

Bigger than 66% of homes nearby

Year built2023
OlderTypical 1952Newer

Newer than almost all homes nearby

How 40423 Denning Ln ranks against every home in each area.
MeasureThis homeAstoria 97103Clatsop County
Estimated valuepricier than$368,87530% of homes23% of homes
Lot sizebigger than1 ac66% of homes76% of homes
Year builtnewer than2023almost all homesalmost all homes

About 40423 Denning Ln

How much is 40423 Denning Ln, Astoria, OR worth?

The TopHap Estimate for 40423 Denning Ln, Astoria, OR is $368,875 as of Aug 30, 2026. The likely range is $261,733 to $476,017. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When was 40423 Denning Ln, Astoria, OR built?

40423 Denning Ln, Astoria, OR was built in 2023, making it 3 years old. The building has 2 stories.

What schools serve 40423 Denning Ln, Astoria, OR?

40423 Denning Ln, Astoria, OR is assigned to Hilda Lahti Elementary School (elementary), rated B; Knappa High School (high), rated D-. All sit in Knappa School District 4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40423 Denning Ln, Astoria, OR compare to other homes in Astoria 97103?

Among the 7,197 homes in Astoria 97103, it is worth more than 30% of them ($368,875 against a typical $441,916), its lot is bigger than 66% of them (1 ac against a typical 0.32 ac) and it is newer than almost all of them (2023 against a typical 1952). Measured against all of Clatsop County, it is worth more than 23% 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 40423 Denning Ln, Astoria, OR?

The 2025 property tax bill for 40423 Denning Ln, Astoria, OR was $2,917. The county assessed it at $278,102.

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