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Single Family ResidenceResidential
$525,000$365 / 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 97How 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 $525,000 on Aug 21, 2026

1145 COSPER ST

DUPONT, WA 98327
2
Beds
2.5
Baths
1,440 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
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

$525K
$509K low$541K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$525,000 · Aug 21, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,891 (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.$483,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$266,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$493,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$483,600

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.Bi-Level
CountyPIERCE
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.2018
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Porch · 100 ft²

Transaction History(5)

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
Chloe Clark Elementary SchoolA
Elementary · Grades KG–3 · 0.7 mi
M
Pioneer MIddle SchoolB+
Middle · Grades 6–8 · 0.9 mi
H
Steilacoom High SchoolA
High · Grades 9–12 · 5.7 mi

District: Steilacoom Historical School District

Neighborhood · ZIP 98327These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.244

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.10,694
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,238 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,719
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,278
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.47%

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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

1145 Cosper St 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 more than 68% of homes in Edmond Village
  • Costs more per square foot than 98% of homes in Dupont 98327
  • Smaller than 82% of homes in Dupont 98327
  • Has a bigger lot than 93% of homes in Edmond Village
  • Newer than 78% of homes in Pierce County

What homes are worth in Dupont 98327

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

This home
$299K$716K

This home is worth more than 50% of homes in Dupont 98327.

How it measures up in Dupont 98327

The dot is this home. The mark in the middle is the typical home in Dupont 98327.

Estimated value$525,000
CheaperTypical $524,182Pricier

Pricier than 50% of homes nearby

Price per ft²$365
CheaperTypical $261Pricier

Pricier than 98% of homes nearby

Living area1,440 ft²
SmallerTypical 2,004 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.11 ac
SmallerTypical 0.12 acBigger

Bigger than 48% of homes nearby

Year built2003
OlderTypical 2003Newer

Newer than 50% of homes nearby

How 1145 Cosper St ranks against every home in each area.
MeasureThis homeEdmond VillageDupont 98327Pierce County
Estimated valuepricier than$525,00068% of homes50% of homes46% of homes
Price per ft²pricier than$36594% of homes98% of homes74% of homes
Living areabigger than1,440 ft²19% of homes18% of homes31% of homes
Lot sizebigger than0.11 ac93% of homes48% of homes12% of homes
Year builtnewer than200326% of homes50% of homes78% of homes

About 1145 Cosper St

How much is 1145 Cosper St, Dupont, WA worth?

The TopHap Estimate for 1145 Cosper St, Dupont, WA is $525,000 as of Aug 30, 2026. The likely range is $509,385 to $540,615. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1145 Cosper St, Dupont, WA last sell?

1145 Cosper St, Dupont, WA last sold on Aug 21, 2026 for $525,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 1145 Cosper St, Dupont, WA?

1145 Cosper St, Dupont, WA has 2 bedrooms, 2.5 bathrooms, 1,440 square feet of living space and a 0.11-acre lot.

When was 1145 Cosper St, Dupont, WA built?

1145 Cosper St, Dupont, WA was built in 2003, making it 23 years old. It is a bi-level home. The building has 2 stories.

What schools serve 1145 Cosper St, Dupont, WA?

1145 Cosper St, Dupont, WA is assigned to Chloe Clark Elementary School (elementary), rated A; Pioneer MIddle School (middle), rated B+; Steilacoom High School (high), rated A. All sit in Steilacoom Historical School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1145 Cosper St, Dupont, WA compare to other homes in Dupont 98327?

Among the 3,050 homes in Dupont 98327, it is worth more than 50% of them ($525,000 against a typical $524,182), its price per square foot is higher than 98% of them ($365 against a typical $261), it is bigger than 18% of them (1,440 ft² against a typical 2,004 ft²), its lot is bigger than 48% of them (0.11 ac against a typical 0.12 ac) and it is newer than 50% of them (2003 against a typical 2003). Measured against all of Pierce County, it is worth more than 46% 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 1145 Cosper St, Dupont, WA?

The 2026 property tax bill for 1145 Cosper St, Dupont, WA was $3,891. The county assessed it at $483,600.

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Assigned schools

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