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Single Family ResidenceResidential
$361,828$419 / 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 89How 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

421 15TH AVE

SEASIDE, OR 97138
3
Beds
1
Baths
864 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$362K
$322K low$401K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,307 (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.$143,315 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,315
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$155,894
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$418,060

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.38
35
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.
31
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.
21
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.13 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.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
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
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.0.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system in the home.Baseboard
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 368 ft²Patio · 368 ft²

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

E
Gearhart Elementary School
Elementary · Grades KG–5 · 1.6 mi
H
Seaside High SchoolD-
High · Grades 9–12 · 1.6 mi
M
Broadway Middle SchoolB
Middle · Grades 6–8 · 1.6 mi

District: Seaside School District 10

Neighborhood · ZIP 97138These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.298

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.67%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.11,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,096
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,187
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.135 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

421 15th 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.

  • Worth less than 79% of homes in Clatsop County
  • Costs more per square foot than 72% of homes in Clatsop County
  • Smaller than 89% of homes in Clatsop County
  • Has a smaller lot than 74% of homes in Clatsop County
  • Older than 85% of homes in Seaside 97138

What homes are worth in Seaside 97138

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

This home
$198K$1.7M

This home is worth more than 23% of homes in Seaside 97138.

How it measures up in Seaside 97138

The dot is this home. The mark in the middle is the typical home in Seaside 97138.

Estimated value$361,828
CheaperTypical $503,609Pricier

Pricier than 23% of homes nearby

Price per ft²$419
CheaperTypical $367Pricier

Pricier than 66% of homes nearby

Living area864 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.12 ac
SmallerTypical 0.22 acBigger

Bigger than 32% of homes nearby

Year built1928
OlderTypical 1976Newer

Newer than 15% of homes nearby

How 421 15th Ave ranks against every home in each area.
MeasureThis homeSeaside 97138Clatsop County
Estimated valuepricier than$361,82823% of homes21% of homes
Price per ft²pricier than$41966% of homes72% of homes
Living areabigger than864 ft²16% of homes11% of homes
Lot sizebigger than0.12 ac32% of homes26% of homes
Year builtnewer than192815% of homes17% of homes

About 421 15th Ave

How much is 421 15th Ave, Seaside, OR worth?

The TopHap Estimate for 421 15th Ave, Seaside, OR is $361,828 as of Aug 30, 2026. The likely range is $322,352 to $401,304. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 421 15th Ave, Seaside, OR?

421 15th Ave, Seaside, OR has 3 bedrooms, 1 bathrooms, 864 square feet of living space and a 0.12-acre lot.

When was 421 15th Ave, Seaside, OR built?

421 15th Ave, Seaside, OR was built in 1928, making it 98 years old. It is a bungalow home. The building has 1 story.

What schools serve 421 15th Ave, Seaside, OR?

421 15th Ave, Seaside, OR is assigned to Gearhart Elementary School (elementary); Seaside High School (high), rated D-; Broadway Middle School (middle), rated B. All sit in Seaside School District 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 15th Ave, Seaside, OR compare to other homes in Seaside 97138?

Among the 7,421 homes in Seaside 97138, it is worth more than 23% of them ($361,828 against a typical $503,609), its price per square foot is higher than 66% of them ($419 against a typical $367), it is bigger than 16% of them (864 ft² against a typical 1,404 ft²), its lot is bigger than 32% of them (0.12 ac against a typical 0.22 ac) and it is newer than 15% of them (1928 against a typical 1976). Measured against all of Clatsop County, it is worth more than 21% 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 421 15th Ave, Seaside, OR?

The 2025 property tax bill for 421 15th Ave, Seaside, OR was $2,307. The county assessed it at $143,315.

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