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Single Family ResidenceResidential
$530,660$393 / 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 $182,000 on Feb 14, 2002

30 COSMO ST

WESTERLY, RI 02891
3
Beds
2
Baths
1,352 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.
2002
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$531K
$486K low$575K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$182,000 · Feb 14, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,312 (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.$465,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$167,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$298,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$341,000

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.25
91
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
29
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.56 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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(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
Dunn's Corners Elementary SchoolA-
Elementary · Grades KG–4 · 0.8 mi
M
Westerly Middle SchoolB-
Middle · Grades 5–8 · 1.2 mi
H
Westerly High SchoolB+
High · Grades 9–12 · 3.1 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%

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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

30 Cosmo St 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 72% of homes in Washington County
  • Smaller than 67% of homes in Westerly 02891
  • Newer than 85% 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
$268K$2.8M

This home is worth more than 43% 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$530,660
CheaperTypical $567,137Pricier

Pricier than 43% of homes nearby

Price per ft²$393
CheaperTypical $360Pricier

Pricier than 63% of homes nearby

Living area1,352 ft²
SmallerTypical 1,668 ft²Bigger

Bigger than 33% of homes nearby

Lot size0.47 ac
SmallerTypical 0.4 acBigger

Bigger than 60% of homes nearby

Year built2002
OlderTypical 1975Newer

Newer than 85% of homes nearby

How 30 Cosmo St ranks against every home in each area.
MeasureThis homeWesterly 02891Washington County
Estimated valuepricier than$530,66043% of homes28% of homes
Price per ft²pricier than$39363% of homes43% of homes
Living areabigger than1,352 ft²33% of homes34% of homes
Lot sizebigger than0.47 ac60% of homes47% of homes
Year builtnewer than200285% of homes84% of homes

About 30 Cosmo St

How much is 30 Cosmo St, Westerly, RI worth?

The TopHap Estimate for 30 Cosmo St, Westerly, RI is $530,660 as of Sep 24, 2026. The likely range is $485,926 to $575,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 30 Cosmo St, Westerly, RI last sell?

30 Cosmo St, Westerly, RI last sold on Feb 14, 2002 for $182,000, according to the county's recorded deed.

How big is 30 Cosmo St, Westerly, RI?

30 Cosmo St, Westerly, RI has 3 bedrooms, 2 bathrooms, 1,352 square feet of living space and a 0.47-acre lot.

When was 30 Cosmo St, Westerly, RI built?

30 Cosmo St, Westerly, RI was built in 2002, making it 24 years old. It is a ranch home. The building has 1 story.

What schools serve 30 Cosmo St, Westerly, RI?

30 Cosmo St, Westerly, RI is assigned to Dunn's Corners Elementary School (elementary), rated A-; 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 30 Cosmo St, Westerly, RI compare to other homes in Westerly 02891?

Among the 10,296 homes in Westerly 02891, it is worth more than 43% of them ($530,660 against a typical $567,137), its price per square foot is higher than 63% of them ($393 against a typical $360), it is bigger than 33% of them (1,352 ft² against a typical 1,668 ft²), its lot is bigger than 60% of them (0.47 ac against a typical 0.4 ac) and it is newer than 85% of them (2002 against a typical 1975). Measured against all of Washington County, it is worth more than 28% 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 30 Cosmo St, Westerly, RI?

The 2025 property tax bill for 30 Cosmo St, Westerly, RI was $3,312. The county assessed it at $465,800.

More homes on Cosmo St

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