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Single Family ResidenceResidential
$492,980$253 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $323,000 on Jun 5, 2018

1531 SW ALDER AVE

WARRENTON, OR 97146
3
Beds
3 / 1
Baths
1,950 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$493K
$442K low$544K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$323,000 · Jun 5, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,005 (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.$365,135 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,135
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$219,277
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$517,602

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.37
45
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.9 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.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.0.32
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.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.Patio · 120 ft²

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

H
Warrenton High SchoolC
High · Grades 9–12 · 0.2 mi
E
Warrenton Grade SchoolC-
Elementary · Grades KG–5 · 0.6 mi
M
Warrenton Middle SchoolC-
Middle · Grades 6–8 · 21.9 mi

District: Warrenton-Hammond School District 30

Neighborhood · ZIP 97146These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.302

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.90%
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.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.5,859
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.126 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,708
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,202
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.76 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

1531 Sw Alder 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 83% of homes in Warrenton 97146
  • Bigger than 73% of homes in Clatsop County
  • Newer than 88% of homes in Clatsop County

What homes are worth in Warrenton 97146

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

This home
$164K$1.3M

This home is worth more than 51% of homes in Warrenton 97146.

How it measures up in Warrenton 97146

The dot is this home. The mark in the middle is the typical home in Warrenton 97146.

Estimated value$492,980
CheaperTypical $489,536Pricier

Pricier than 51% of homes nearby

Price per ft²$253
CheaperTypical $305Pricier

Pricier than 17% of homes nearby

Living area1,950 ft²
SmallerTypical 1,599 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.32 ac
SmallerTypical 0.38 acBigger

Bigger than 45% of homes nearby

Year built2007
OlderTypical 1983Newer

Newer than 78% of homes nearby

How 1531 Sw Alder Ave ranks against every home in each area.
MeasureThis homeWarrenton 97146Clatsop County
Estimated valuepricier than$492,98051% of homes48% of homes
Price per ft²pricier than$25317% of homes18% of homes
Living areabigger than1,950 ft²69% of homes73% of homes
Lot sizebigger than0.32 ac45% of homes59% of homes
Year builtnewer than200778% of homes88% of homes

About 1531 Sw Alder Ave

How much is 1531 Sw Alder Ave, Warrenton, OR worth?

The TopHap Estimate for 1531 Sw Alder Ave, Warrenton, OR is $492,980 as of Sep 24, 2026. The likely range is $441,769 to $544,190. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1531 Sw Alder Ave, Warrenton, OR last sell?

1531 Sw Alder Ave, Warrenton, OR last sold on Jun 5, 2018 for $323,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 1531 Sw Alder Ave, Warrenton, OR?

1531 Sw Alder Ave, Warrenton, OR has 3 bedrooms, 3 bathrooms, 1,950 square feet of living space and a 0.32-acre lot.

When was 1531 Sw Alder Ave, Warrenton, OR built?

1531 Sw Alder Ave, Warrenton, OR was built in 2007, making it 19 years old. The building has 2 stories.

What schools serve 1531 Sw Alder Ave, Warrenton, OR?

1531 Sw Alder Ave, Warrenton, OR is assigned to Warrenton High School (high), rated C; Warrenton Grade School (elementary), rated C-; Warrenton Middle School (middle), rated C-. All sit in Warrenton-Hammond School District 30. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1531 Sw Alder Ave, Warrenton, OR compare to other homes in Warrenton 97146?

Among the 3,220 homes in Warrenton 97146, it is worth more than 51% of them ($492,980 against a typical $489,536), its price per square foot is higher than 17% of them ($253 against a typical $305), it is bigger than 69% of them (1,950 ft² against a typical 1,599 ft²), its lot is bigger than 45% of them (0.32 ac against a typical 0.38 ac) and it is newer than 78% of them (2007 against a typical 1983). Measured against all of Clatsop County, it is worth more than 48% 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 1531 Sw Alder Ave, Warrenton, OR?

The 2025 property tax bill for 1531 Sw Alder Ave, Warrenton, OR was $3,005. The county assessed it at $365,135.

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