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Single Family ResidenceResidential
$439,476$408 / 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 Jul 14, 2026

5421 PENN AVE

ROCK ISLAND, WA 98850
3
Beds
1
Baths
1,078 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.
1.13 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

$439K
$407K low$472K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$439,476
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$351,581

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,507 (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.$306,300 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$162,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$256,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$306,300

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.27 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.''

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
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.1.13
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.Deck · 120 ft²Patio · 120 ft²Porch · 36 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 · 0.3 mi
H
Eastmont High SchoolC
High · Grades 10–12 · 5.7 mi
M
Eastmont Junior High SchoolD+
Middle · Grades 7–9 · 5.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

5421 Penn 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.

  • Costs more per square foot than 88% of homes in Rock Island 98850
  • Smaller than 80% of homes in Douglas County
  • Has a bigger lot than 82% 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
$201K$1.5M

This home is worth more than 38% 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$439,476
CheaperTypical $473,291Pricier

Pricier than 38% of homes nearby

Price per ft²$408
CheaperTypical $338Pricier

Pricier than 88% of homes nearby

Living area1,078 ft²
SmallerTypical 1,376 ft²Bigger

Bigger than 21% of homes nearby

Lot size1.13 ac
SmallerTypical 0.23 acBigger

Bigger than 77% of homes nearby

Year built1978
OlderTypical 1993Newer

Newer than 34% of homes nearby

How 5421 Penn Ave ranks against every home in each area.
MeasureThis homeRock Island 98850Douglas County
Estimated valuepricier than$439,47638% of homes43% of homes
Price per ft²pricier than$40888% of homes88% of homes
Living areabigger than1,078 ft²21% of homes20% of homes
Lot sizebigger than1.13 ac77% of homes82% of homes
Year builtnewer than197834% of homes40% of homes

About 5421 Penn Ave

How much is 5421 Penn Ave, Rock Island, WA worth?

The TopHap Estimate for 5421 Penn Ave, Rock Island, WA is $439,476 as of Jul 14, 2026. The likely range is $407,194 to $471,758. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 5421 Penn Ave, Rock Island, WA?

5421 Penn Ave, Rock Island, WA has 3 bedrooms, 1 bathrooms, 1,078 square feet of living space and a 1.13-acre lot.

When was 5421 Penn Ave, Rock Island, WA built?

5421 Penn 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 5421 Penn Ave, Rock Island, WA?

5421 Penn 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 5421 Penn 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 38% of them ($439,476 against a typical $473,291), its price per square foot is higher than 88% of them ($408 against a typical $338), it is bigger than 21% of them (1,078 ft² against a typical 1,376 ft²), its lot is bigger than 77% of them (1.13 ac against a typical 0.23 ac) and it is newer than 34% of them (1978 against a typical 1993). Measured against all of Douglas County, it is worth more than 43% 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 5421 Penn Ave, Rock Island, WA?

The 2024 property tax bill for 5421 Penn Ave, Rock Island, WA was $2,507. The county assessed it at $306,300.

Closest homes

More homes in Rock Island 98850

Assigned schools

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