Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,640,542$513 / 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
Last sold for $1,375,000 on Oct 30, 2023

21 GAY ST

WESTWOOD, MA 02090
4
Beds
3 / 1
Baths
3,195 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1904
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.6M
$1.5M low$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,375,000 · Oct 30, 2023
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.$746,792
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$597,434
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.55%
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.$893,750
JPMORGAN CHASE BANK NA · P · recorded Oct 30, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,340 (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.$1,354,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$470,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$883,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,354,700

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.Conventional
CountyNorfolk
Lot (acres)The size of the land the home sits on, from county records.0.52
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes

Transaction History(9)

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.

M
E.W. Thurston Middle SchoolA
Middle · Grades 6–8 · 0.4 mi
H
Westwood High SchoolA+
High · Grades 9–12 · 0.6 mi
E
Pine Hill SchoolA-
Elementary · Grades KG–5 · 1.4 mi

District: Westwood School District

Neighborhood · ZIP 02090These 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.46
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.16,882
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,504 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$181,840
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,489
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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

21 Gay 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 more than 89% of homes in Norfolk County
  • Costs less per square foot than 77% of homes in Westwood 02090
  • Bigger than 90% of homes in Norfolk County
  • Older than 97% of homes in Westwood 02090

What homes are worth in Westwood 02090

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

This home
$620K$3.6M

This home is worth more than 76% of homes in Westwood 02090.

How it measures up in Westwood 02090

The dot is this home. The mark in the middle is the typical home in Westwood 02090.

Estimated value$1,640,542
CheaperTypical $1,215,193Pricier

Pricier than 76% of homes nearby

Price per ft²$513
CheaperTypical $585Pricier

Pricier than 23% of homes nearby

Living area3,195 ft²
SmallerTypical 2,131 ft²Bigger

Bigger than 79% of homes nearby

Lot size0.52 ac
SmallerTypical 0.52 acBigger

Bigger than 50% of homes nearby

Year built1904
OlderTypical 1959Newer

Newer than 3% of homes nearby

How 21 Gay St ranks against every home in each area.
MeasureThis homeWestwood 02090Norfolk County
Estimated valuepricier than$1,640,54276% of homes89% of homes
Price per ft²pricier than$51323% of homes66% of homes
Living areabigger than3,195 ft²79% of homes90% of homes
Lot sizebigger than0.52 ac50% of homes64% of homes
Year builtnewer than19043% of homes10% of homes

About 21 Gay St

How much is 21 Gay St, Westwood, MA worth?

The TopHap Estimate for 21 Gay St, Westwood, MA is $1,640,542 as of Jul 14, 2026. The likely range is $1,529,190 to $1,751,894. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Gay St, Westwood, MA last sell?

21 Gay St, Westwood, MA last sold on Oct 30, 2023 for $1,375,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Gay St, Westwood, MA?

21 Gay St, Westwood, MA has 4 bedrooms, 3 bathrooms, 3,195 square feet of living space and a 0.52-acre lot.

When was 21 Gay St, Westwood, MA built?

21 Gay St, Westwood, MA was built in 1904, making it 122 years old. It is a conventional home. The building has 1 story.

What schools serve 21 Gay St, Westwood, MA?

21 Gay St, Westwood, MA is assigned to E.W. Thurston Middle School (middle), rated A; Westwood High School (high), rated A+; Pine Hill School (elementary), rated A-. All sit in Westwood School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Gay St, Westwood, MA compare to other homes in Westwood 02090?

Among the 4,822 homes in Westwood 02090, it is worth more than 76% of them ($1,640,542 against a typical $1,215,193), its price per square foot is higher than 23% of them ($513 against a typical $585), it is bigger than 79% of them (3,195 ft² against a typical 2,131 ft²), its lot is bigger than 50% of them (0.52 ac against a typical 0.52 ac) and it is newer than 3% of them (1904 against a typical 1959). Measured against all of Norfolk County, it is worth more than 89% 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 Gay St, Westwood, MA?

The 2025 property tax bill for 21 Gay St, Westwood, MA was $17,340. The county assessed it at $1,354,700.

Closest homes

More homes in Westwood 02090

Assigned schools

Explore the area

See this home in context

Open 21 Gay St 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