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Single Family ResidenceResidential
$350,890$282 / 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 95How 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 $339,922 on Aug 26, 2022

143 ALDER DR

COSMOPOLIS, WA 98537
0
Baths
1,244 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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

$351K
$332K low$370K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$339,922 · Aug 26, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$758 (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.$280,462 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,056
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,406
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,462

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.107 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
CountyGRAYS HARBOR
Lot (acres)The size of the land the home sits on, from county records.0.28
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.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Porch · 400 ft²

Transaction History(3)

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
Cosmopolis Elementary SchoolC
Elementary · Grades KG–6 · 0.2 mi

District: Cosmopolis School District

Neighborhood · ZIP 98537These 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.103
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 100.271

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
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.1.8%
PopulationHow many people live in this area.1,095
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,447
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,048
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.87 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

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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

143 Alder Dr 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 more per square foot than 91% of homes in Cosmopolis 98537
  • Smaller than 74% of homes in Cosmopolis 98537
  • Older than 68% of homes in Grays Harbor County

What homes are worth in Cosmopolis 98537

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

This home
$122K$662K

This home is worth more than 60% of homes in Cosmopolis 98537.

How it measures up in Cosmopolis 98537

The dot is this home. The mark in the middle is the typical home in Cosmopolis 98537.

Estimated value$350,890
CheaperTypical $318,361Pricier

Pricier than 60% of homes nearby

Price per ft²$282
CheaperTypical $198Pricier

Pricier than 91% of homes nearby

Living area1,244 ft²
SmallerTypical 1,602 ft²Bigger

Bigger than 26% of homes nearby

Lot size0.28 ac
SmallerTypical 0.26 acBigger

Bigger than 56% of homes nearby

Year built1956
OlderTypical 1968Newer

Newer than 37% of homes nearby

How 143 Alder Dr ranks against every home in each area.
MeasureThis homeCosmopolis 98537Grays Harbor County
Estimated valuepricier than$350,89060% of homes56% of homes
Price per ft²pricier than$28291% of homes72% of homes
Living areabigger than1,244 ft²26% of homes36% of homes
Lot sizebigger than0.28 ac56% of homes59% of homes
Year builtnewer than195637% of homes32% of homes

About 143 Alder Dr

How much is 143 Alder Dr, Cosmopolis, WA worth?

The TopHap Estimate for 143 Alder Dr, Cosmopolis, WA is $350,890 as of Sep 24, 2026. The likely range is $331,770 to $370,010. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 143 Alder Dr, Cosmopolis, WA last sell?

143 Alder Dr, Cosmopolis, WA last sold on Aug 26, 2022 for $339,922, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 143 Alder Dr, Cosmopolis, WA?

143 Alder Dr, Cosmopolis, WA has 1,244 square feet of living space and a 0.28-acre lot.

When was 143 Alder Dr, Cosmopolis, WA built?

143 Alder Dr, Cosmopolis, WA was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 143 Alder Dr, Cosmopolis, WA?

143 Alder Dr, Cosmopolis, WA is assigned to Cosmopolis Elementary School (elementary), rated C. All sit in Cosmopolis School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 143 Alder Dr, Cosmopolis, WA compare to other homes in Cosmopolis 98537?

Among the 876 homes in Cosmopolis 98537, it is worth more than 60% of them ($350,890 against a typical $318,361), its price per square foot is higher than 91% of them ($282 against a typical $198), it is bigger than 26% of them (1,244 ft² against a typical 1,602 ft²), its lot is bigger than 56% of them (0.28 ac against a typical 0.26 ac) and it is newer than 37% of them (1956 against a typical 1968). Measured against all of Grays Harbor County, it is worth more than 56% 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 143 Alder Dr, Cosmopolis, WA?

The 2026 property tax bill for 143 Alder Dr, Cosmopolis, WA was $758. The county assessed it at $280,462.

More homes on Alder Dr

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