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Single Family ResidenceResidential
$684,547$1,188 / 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 91How 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

21910 STATE ROUTE 525

GREENBANK, WA 98253
1
Beds
1
Baths
576 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.
19.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
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

$685K
$625K low$745K 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.$410,554
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$328,443
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.52%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$213,993
JPMORGAN CHASE BANK NA · recorded Jan 11, 2017
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$60,000
BOEING EMPLOYEES CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,022 (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.$596,272 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$400,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$196,272
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$562,326
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$596,272

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.32
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
52
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
12
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.21 in
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
CountyISLAND
Lot (acres)The size of the land the home sits on, from county records.19.24
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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, 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 · 35 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.

H
Coupeville High SchoolB-
High · Grades 9–12 · 12.0 mi
M
Coupeville Middle SchoolB
Middle · Grades 6–8 · 12.0 mi
E
Coupeville Elementary SchoolB
Elementary · Grades PK–5 · 12.3 mi

District: Coupeville School District

Neighborhood · ZIP 98253These 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.144
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.293

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.76%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.2,717
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.152 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,576
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$108,879
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.23 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.33%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

21910 State Route 525 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 highest price per square foot in Island County
  • Smaller than 98% of homes in Island County
  • Among the largest lots in Greenbank 98253

What homes are worth in Greenbank 98253

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

This home
$323K$2.2M

This home is worth more than 36% of homes in Greenbank 98253.

How it measures up in Greenbank 98253

The dot is this home. The mark in the middle is the typical home in Greenbank 98253.

Estimated value$684,547
CheaperTypical $803,140Pricier

Pricier than 36% of homes nearby

Price per ft²$1188
CheaperTypical $494Pricier

Pricier than 98% of homes nearby

Living area576 ft²
SmallerTypical 1,630 ft²Bigger

Bigger than 3% of homes nearby

Lot size19.24 ac
SmallerTypical 0.83 acBigger

Bigger than almost all homes nearby

Year built1995
OlderTypical 1988Newer

Newer than 63% of homes nearby

How 21910 State Route 525 ranks against every home in each area.
MeasureThis homeGreenbank 98253Island County
Estimated valuepricier than$684,54736% of homes59% of homes
Price per ft²pricier than$118898% of homesalmost all homes
Living areabigger than576 ft²3% of homes2% of homes
Lot sizebigger than19.24 acalmost all homes98% of homes
Year builtnewer than199563% of homes63% of homes

About 21910 State Route 525

How much is 21910 State Route 525, Greenbank, WA worth?

The TopHap Estimate for 21910 State Route 525, Greenbank, WA is $684,547 as of Jul 14, 2026. The likely range is $624,583 to $744,511. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21910 State Route 525, Greenbank, WA last sell?

21910 State Route 525, Greenbank, WA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21910 State Route 525, Greenbank, WA?

21910 State Route 525, Greenbank, WA has 1 bedrooms, 1 bathrooms, 576 square feet of living space and a 19.24-acre lot.

When was 21910 State Route 525, Greenbank, WA built?

21910 State Route 525, Greenbank, WA was built in 1995, making it 31 years old. The building has 1 story.

What schools serve 21910 State Route 525, Greenbank, WA?

21910 State Route 525, Greenbank, WA is assigned to Coupeville High School (high), rated B-; Coupeville Middle School (middle), rated B; Coupeville Elementary School (elementary), rated B. All sit in Coupeville School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21910 State Route 525, Greenbank, WA compare to other homes in Greenbank 98253?

Among the 1,577 homes in Greenbank 98253, it is worth more than 36% of them ($684,547 against a typical $803,140), its price per square foot is higher than 98% of them ($1188 against a typical $494), it is bigger than 3% of them (576 ft² against a typical 1,630 ft²), its lot is bigger than almost all of them (19.24 ac against a typical 0.83 ac) and it is newer than 63% of them (1995 against a typical 1988). Measured against all of Island County, it is worth more than 59% 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 21910 State Route 525, Greenbank, WA?

The 2025 property tax bill for 21910 State Route 525, Greenbank, WA was $4,022. The county assessed it at $596,272.

Closest homes

More homes in Greenbank 98253

Assigned schools

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