Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$551,273$424 / 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 Sep 24, 2026
Last sold for $299,000 on Oct 10, 2003

21 CASTLE WAY

WESTERLY, RI 02891
3
Beds
1.5
Baths
1,300 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$551K
$505K low$597K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$299,000 · Oct 10, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,031 (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.$426,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$186,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$240,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$333,100

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.47
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(7)

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
Dunn's Corners Elementary SchoolC+
Elementary · Grades KG–4 · 1.4 mi
M
Westerly Middle SchoolB
Middle · Grades 5–8 · 1.9 mi
H
Westerly High SchoolB+
High · Grades 9–12 · 3.9 mi

District: Westerly School District

Neighborhood · ZIP 02891These 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.104
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 100.54

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.78%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.21,875
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.710 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,075
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,216
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

21 Castle Way 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 Washington County
  • Costs more per square foot than 72% of homes in Westerly 02891
  • Smaller than 70% of homes in Westerly 02891

What homes are worth in Westerly 02891

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

This home
$265K$2.8M

This home is worth more than 47% of homes in Westerly 02891.

How it measures up in Westerly 02891

The dot is this home. The mark in the middle is the typical home in Westerly 02891.

Estimated value$551,273
CheaperTypical $569,561Pricier

Pricier than 47% of homes nearby

Price per ft²$424
CheaperTypical $361Pricier

Pricier than 72% of homes nearby

Living area1,300 ft²
SmallerTypical 1,670 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.47 ac
SmallerTypical 0.4 acBigger

Bigger than 60% of homes nearby

Year built1973
OlderTypical 1975Newer

Newer than 48% of homes nearby

How 21 Castle Way ranks against every home in each area.
MeasureThis homeWesterly 02891Washington County
Estimated valuepricier than$551,27347% of homes31% of homes
Price per ft²pricier than$42472% of homes53% of homes
Living areabigger than1,300 ft²30% of homes32% of homes
Lot sizebigger than0.47 ac60% of homes48% of homes
Year builtnewer than197348% of homes43% of homes

About 21 Castle Way

How much is 21 Castle Way, Westerly, RI worth?

The TopHap Estimate for 21 Castle Way, Westerly, RI is $551,273 as of Sep 24, 2026. The likely range is $505,079 to $597,467. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Castle Way, Westerly, RI last sell?

21 Castle Way, Westerly, RI last sold on Oct 10, 2003 for $299,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Castle Way, Westerly, RI?

21 Castle Way, Westerly, RI has 3 bedrooms, 1.5 bathrooms, 1,300 square feet of living space and a 0.47-acre lot.

When was 21 Castle Way, Westerly, RI built?

21 Castle Way, Westerly, RI was built in 1973, making it 53 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Castle Way, Westerly, RI?

21 Castle Way, Westerly, RI is assigned to Dunn's Corners Elementary School (elementary), rated C+; Westerly Middle School (middle), rated B; Westerly High School (high), rated B+. All sit in Westerly School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Castle Way, Westerly, RI compare to other homes in Westerly 02891?

Among the 10,296 homes in Westerly 02891, it is worth more than 47% of them ($551,273 against a typical $569,561), its price per square foot is higher than 72% of them ($424 against a typical $361), it is bigger than 30% of them (1,300 ft² against a typical 1,670 ft²), its lot is bigger than 60% of them (0.47 ac against a typical 0.4 ac) and it is newer than 48% of them (1973 against a typical 1975). Measured against all of Washington County, it is worth more than 31% 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 21 Castle Way, Westerly, RI?

The 2025 property tax bill for 21 Castle Way, Westerly, RI was $3,031. The county assessed it at $426,300.

More homes on Castle Way

Closest homes

More homes in Westerly 02891

Assigned schools

Explore the area

See this home in context

Open 21 Castle Way on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map