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Single Family ResidenceResidential
$411,764$283 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

4 CAMBRIDGE AVE

ROCK ISLAND, WA 98850
3
Beds
1
Baths
1,456 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$412K
$380K low$444K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,220 (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.$282,600 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$242,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$285,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$282,600

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.Ranch
CountyDouglas
Lot (acres)The size of the land the home sits on, from county records.0.21
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.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
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 · 252 ft²

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 · 0.7 mi
H
Eastmont High SchoolC
High · Grades 10–12 · 6.7 mi
M
Eastmont Junior High SchoolD+
Middle · Grades 7–9 · 6.9 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

4 Cambridge 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.

  • Worth less than 69% of homes in Rock Island 98850
  • Costs less per square foot than 78% of homes in Rock Island 98850
  • Has a smaller lot than 68% of homes in Douglas County
  • Older than 66% of homes in Rock Island 98850

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
$233K$1.5M

This home is worth more than 31% of 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$411,764
CheaperTypical $473,291Pricier

Pricier than 31% of homes nearby

Price per ft²$283
CheaperTypical $337Pricier

Pricier than 22% of homes nearby

Living area1,456 ft²
SmallerTypical 1,373 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.21 ac
SmallerTypical 0.23 acBigger

Bigger than 41% of homes nearby

Year built1978
OlderTypical 1994Newer

Newer than 34% of homes nearby

How 4 Cambridge Ave ranks against every home in each area.
MeasureThis homeRock Island 98850Douglas County
Estimated valuepricier than$411,76431% of homes35% of homes
Price per ft²pricier than$28322% of homes36% of homes
Living areabigger than1,456 ft²58% of homes48% of homes
Lot sizebigger than0.21 ac41% of homes32% of homes
Year builtnewer than197834% of homes40% of homes

About 4 Cambridge Ave

How much is 4 Cambridge Ave, Rock Island, WA worth?

The TopHap Estimate for 4 Cambridge Ave, Rock Island, WA is $411,764 as of Jul 14, 2026. The likely range is $379,683 to $443,845. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4 Cambridge Ave, Rock Island, WA?

4 Cambridge Ave, Rock Island, WA has 3 bedrooms, 1 bathrooms, 1,456 square feet of living space and a 0.21-acre lot.

When was 4 Cambridge Ave, Rock Island, WA built?

4 Cambridge Ave, Rock Island, WA was built in 1978, making it 48 years old. It is a ranch home. The building has 1 story.

What schools serve 4 Cambridge Ave, Rock Island, WA?

4 Cambridge Ave, 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 4 Cambridge Ave, Rock Island, WA compare to other homes in Rock Island 98850?

Among the 738 homes in Rock Island 98850, it is worth more than 31% of them ($411,764 against a typical $473,291), its price per square foot is higher than 22% of them ($283 against a typical $337), it is bigger than 58% of them (1,456 ft² against a typical 1,373 ft²), its lot is bigger than 41% of them (0.21 ac against a typical 0.23 ac) and it is newer than 34% of them (1978 against a typical 1994). Measured against all of Douglas County, it is worth more than 35% 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 4 Cambridge Ave, Rock Island, WA?

The 2024 property tax bill for 4 Cambridge Ave, Rock Island, WA was $2,220. The county assessed it at $282,600.

More homes on Cambridge Ave

Closest homes

More homes in Rock Island 98850

Assigned schools

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