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Single Family ResidenceResidential
$2,836,918$463 / 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 96How 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 $1,820,000 on Aug 5, 2020

400 GAY ST

WESTWOOD, MA 02090
6
Beds
5 / 2
Baths
6,126 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.
2.36 ac
Lot SizeThe size of the land the home sits on, from county records.
1810
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.8M
$2.7M low$2.9M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,820,000 · Aug 5, 2020
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.$1,380,918
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,104,734
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.$1,456,000
DEDHAM INSTITUTION FOR SVGS · recorded Aug 5, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$30,970 (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.$2,419,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,316,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,103,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,302,800

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.2.36
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
Westwood High SchoolA+
High · Grades 9–12 · 0.6 mi
E
Pine Hill SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
E.W. Thurston Middle SchoolA
Middle · Grades 6–8 · 0.9 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

400 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 97% of homes in Norfolk County
  • Costs less per square foot than 90% of homes in Westwood 02090
  • Among the largest homes in Norfolk County
  • Has a bigger lot than 96% of homes in Westwood 02090
  • Among the oldest homes in Norfolk County

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
$640K$3.7M

This home is worth more than 94% 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$2,836,918
CheaperTypical $1,217,950Pricier

Pricier than 94% of homes nearby

Price per ft²$463
CheaperTypical $586Pricier

Pricier than 10% of homes nearby

Living area6,126 ft²
SmallerTypical 2,120 ft²Bigger

Bigger than 98% of homes nearby

Lot size2.36 ac
SmallerTypical 0.52 acBigger

Bigger than 96% of homes nearby

Year built1810
OlderTypical 1959Newer

Older than almost all homes nearby

How 400 Gay St ranks against every home in each area.
MeasureThis homeWestwood 02090Norfolk County
Estimated valuepricier than$2,836,91894% of homes97% of homes
Price per ft²pricier than$46310% of homes54% of homes
Living areabigger than6,126 ft²98% of homesalmost all homes
Lot sizebigger than2.36 ac96% of homes90% of homes
Year builtnewer than1810almost no homesalmost no homes

About 400 Gay St

How much is 400 Gay St, Westwood, MA worth?

The TopHap Estimate for 400 Gay St, Westwood, MA is $2,836,918 as of Jul 14, 2026. The likely range is $2,736,797 to $2,937,039. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Gay St, Westwood, MA last sell?

400 Gay St, Westwood, MA last sold on Aug 5, 2020 for $1,820,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 400 Gay St, Westwood, MA?

400 Gay St, Westwood, MA has 6 bedrooms, 5 bathrooms, 6,126 square feet of living space and a 2.36-acre lot.

When was 400 Gay St, Westwood, MA built?

400 Gay St, Westwood, MA was built in 1810, making it 216 years old. It is a conventional home. The building has 2 stories.

What schools serve 400 Gay St, Westwood, MA?

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

How does 400 Gay St, Westwood, MA compare to other homes in Westwood 02090?

Among the 4,822 homes in Westwood 02090, it is worth more than 94% of them ($2,836,918 against a typical $1,217,950), its price per square foot is higher than 10% of them ($463 against a typical $586), it is bigger than 98% of them (6,126 ft² against a typical 2,120 ft²), its lot is bigger than 96% of them (2.36 ac against a typical 0.52 ac) and it is newer than almost none of them (1810 against a typical 1959). Measured against all of Norfolk County, it is worth more than 97% 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 400 Gay St, Westwood, MA?

The 2025 property tax bill for 400 Gay St, Westwood, MA was $30,970. The county assessed it at $2,419,500.

Closest homes

More homes in Westwood 02090

Assigned schools

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