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Single Family ResidenceResidential
$1,783,022$309 / 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 80How 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 $1,105,000 on May 10, 2018

4000 STATE ROUTE 28

ROCK ISLAND, WA 98850
6
Beds
8
Baths
5,779 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.
2.94 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.
1
StoriesHow many floors the home has above ground.
8
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.8M
$1.4M low$2.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,105,000 · May 10, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,121 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,775,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$520,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,255,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,242,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,775,900

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.Ranch
CountyDouglas
Lot (acres)The size of the land the home sits on, from county records.2.94
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Evaporative
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.Deck · 2,239 ft²Patio · 2,273 ft²Porch · 1,674 ft²

Transaction History(2)

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
Rock Island Elementary SchoolC-
Elementary · Grades KG–6 · 1.9 mi
H
Eastmont High SchoolC
High · Grades 10–12 · 4.3 mi
M
Eastmont Junior High SchoolD+
Middle · Grades 7–9 · 4.6 mi

District: Eastmont School District

Neighborhood · ZIP 98850These 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.177
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 100.97

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.1,100
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.48 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,918
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,803
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.8 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

4000 State Route 28 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 Rock Island 98850
  • Among the largest homes in Douglas County
  • Has a bigger lot than 89% of homes in Douglas County
  • Newer than 70% of homes in Douglas County

What homes are worth in Rock Island 98850

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

This home
$178K$1.3M

This home is worth more than almost all homes in Rock Island 98850.

How it measures up in Rock Island 98850

The dot is this home. The mark in the middle is the typical home in Rock Island 98850.

Estimated value$1,783,022
CheaperTypical $459,964Pricier

Pricier than almost all homes nearby

Price per ft²$309
CheaperTypical $332Pricier

Pricier than 38% of homes nearby

Living area5,779 ft²
SmallerTypical 1,376 ft²Bigger

Bigger than almost all homes nearby

Lot size2.94 ac
SmallerTypical 0.23 acBigger

Bigger than 88% of homes nearby

Year built2003
OlderTypical 1994Newer

Newer than 58% of homes nearby

How 4000 State Route 28 ranks against every home in each area.
MeasureThis homeRock Island 98850Douglas County
Estimated valuepricier than$1,783,022almost all homesalmost all homes
Price per ft²pricier than$30938% of homes64% of homes
Living areabigger than5,779 ft²almost all homesalmost all homes
Lot sizebigger than2.94 ac88% of homes89% of homes
Year builtnewer than200358% of homes70% of homes

About 4000 State Route 28

How much is 4000 State Route 28, Rock Island, WA worth?

The TopHap Estimate for 4000 State Route 28, Rock Island, WA is $1,783,022 as of Aug 30, 2026. The likely range is $1,432,777 to $2,133,267. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4000 State Route 28, Rock Island, WA last sell?

4000 State Route 28, Rock Island, WA last sold on May 10, 2018 for $1,105,000, according to the county's recorded deed.

How big is 4000 State Route 28, Rock Island, WA?

4000 State Route 28, Rock Island, WA has 6 bedrooms, 8 bathrooms, 5,779 square feet of living space and a 2.94-acre lot.

When was 4000 State Route 28, Rock Island, WA built?

4000 State Route 28, Rock Island, WA was built in 2003, making it 23 years old. It is a ranch home. The building has 1 story.

What schools serve 4000 State Route 28, Rock Island, WA?

4000 State Route 28, Rock Island, WA is assigned to Rock Island Elementary School (elementary), rated C-; Eastmont High School (high), rated C; Eastmont Junior High School (middle), rated D+. All sit in Eastmont School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4000 State Route 28, Rock Island, WA compare to other homes in Rock Island 98850?

Among the 741 homes in Rock Island 98850, it is worth more than almost all of them ($1,783,022 against a typical $459,964), its price per square foot is higher than 38% of them ($309 against a typical $332), it is bigger than almost all of them (5,779 ft² against a typical 1,376 ft²), its lot is bigger than 88% of them (2.94 ac against a typical 0.23 ac) and it is newer than 58% of them (2003 against a typical 1994). Measured against all of Douglas County, it is worth more than almost all 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 4000 State Route 28, Rock Island, WA?

The 2024 property tax bill for 4000 State Route 28, Rock Island, WA was $22,121. The county assessed it at $2,775,900.

More homes on State Route 28

Closest homes

More homes in Rock Island 98850

Assigned schools

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