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Single Family ResidenceResidential
$705,040$444 / 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 93How 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
Last sold for $675,000 on May 15, 2024

78 COPPERHEAD LN

COSMOPOLIS, WA 98537
3
Beds
1.8
Baths
1,589 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.
38.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$705K
$657K low$753K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · May 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,712 (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.$501,291 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$165,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$335,691
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$501,291

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.81 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.1 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
CountyGRAYS HARBOR
Lot (acres)The size of the land the home sits on, from county records.38.45
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
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, 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.Porch · 518 ft²

Transaction History(4)

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 · 6.2 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

78 Copperhead 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.

  • Among the most valuable homes in Cosmopolis 98537
  • Among the highest price per square foot in Cosmopolis 98537
  • Among the largest lots in Cosmopolis 98537
  • Older than 72% of homes in Artic

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
$104K$647K

This home is worth more than almost all 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$705,040
CheaperTypical $260,088Pricier

Pricier than almost all homes nearby

Price per ft²$444
CheaperTypical $172Pricier

Pricier than almost all homes nearby

Living area1,589 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 51% of homes nearby

Lot size38.45 ac
SmallerTypical 0.26 acBigger

Bigger than almost all homes nearby

Year built1971
OlderTypical 1968Newer

Newer than 58% of homes nearby

How 78 Copperhead Ln ranks against every home in each area.
MeasureThis homeArticCosmopolis 98537Grays Harbor County
Estimated valuepricier than$705,04097% of homesalmost all homes97% of homes
Price per ft²pricier than$44498% of homesalmost all homes97% of homes
Living areabigger than1,589 ft²47% of homes51% of homes63% of homes
Lot sizebigger than38.45 ac97% of homesalmost all homesalmost all homes
Year builtnewer than197128% of homes58% of homes45% of homes

About 78 Copperhead Ln

How much is 78 Copperhead Ln, Cosmopolis, WA worth?

The TopHap Estimate for 78 Copperhead Ln, Cosmopolis, WA is $705,040 as of Aug 30, 2026. The likely range is $656,848 to $753,232. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 78 Copperhead Ln, Cosmopolis, WA last sell?

78 Copperhead Ln, Cosmopolis, WA last sold on May 15, 2024 for $675,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 78 Copperhead Ln, Cosmopolis, WA?

78 Copperhead Ln, Cosmopolis, WA has 3 bedrooms, 1.8 bathrooms, 1,589 square feet of living space and a 38.45-acre lot.

When was 78 Copperhead Ln, Cosmopolis, WA built?

78 Copperhead Ln, Cosmopolis, WA was built in 1971, making it 55 years old. The building has 1 story.

What schools serve 78 Copperhead Ln, Cosmopolis, WA?

78 Copperhead Ln, 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 78 Copperhead Ln, Cosmopolis, WA compare to other homes in Cosmopolis 98537?

Among the 901 homes in Cosmopolis 98537, it is worth more than almost all of them ($705,040 against a typical $260,088), its price per square foot is higher than almost all of them ($444 against a typical $172), it is bigger than 51% of them (1,589 ft² against a typical 1,568 ft²), its lot is bigger than almost all of them (38.45 ac against a typical 0.26 ac) and it is newer than 58% of them (1971 against a typical 1968). Measured against all of Grays Harbor County, it is worth more than 97% 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 78 Copperhead Ln, Cosmopolis, WA?

The 2025 property tax bill for 78 Copperhead Ln, Cosmopolis, WA was $4,712. The county assessed it at $501,291.

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