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Single Family ResidenceResidential
$891,422$588 / 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 Sep 24, 2026
Last sold for $825,000 on May 6, 2025

138 MILL ST

WESTWOOD, MA 02090
3
Beds
1.5
Baths
1,516 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.
3 ac
Lot SizeThe size of the land the home sits on, from county records.
1818
Year BuiltThe year the home was originally built, according to county records.
2
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

$891K
$814K low$969K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$825,000 · May 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,776 (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.$920,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$593,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$326,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$792,300

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.103 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.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
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.3.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(11)

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
Sheehan SchoolA+
Elementary · Grades KG–5 · 0.4 mi
M
E.W. Thurston Middle SchoolA+
Middle · Grades 6–8 · 1.1 mi
H
Westwood High SchoolA
High · Grades 9–12 · 1.3 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%

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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

138 Mill 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 79% of homes in Westwood 02090
  • Costs more per square foot than 77% of homes in Norfolk County
  • Smaller than 76% of homes in Westwood 02090
  • Has a bigger lot than 97% of homes in Westwood 02090
  • Among the oldest 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$3.5M

This home is worth more than 21% 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$891,422
CheaperTypical $1,189,408Pricier

Pricier than 21% of homes nearby

Price per ft²$588
CheaperTypical $569Pricier

Pricier than 58% of homes nearby

Living area1,516 ft²
SmallerTypical 2,128 ft²Bigger

Bigger than 24% of homes nearby

Lot size3 ac
SmallerTypical 0.53 acBigger

Bigger than 97% of homes nearby

Year built1818
OlderTypical 1959Newer

Older than almost all homes nearby

How 138 Mill St ranks against every home in each area.
MeasureThis homeWestwood 02090Norfolk County
Estimated valuepricier than$891,42221% of homes66% of homes
Price per ft²pricier than$58858% of homes77% of homes
Living areabigger than1,516 ft²24% of homes41% of homes
Lot sizebigger than3 ac97% of homes91% of homes
Year builtnewer than1818almost no homesalmost no homes

About 138 Mill St

How much is 138 Mill St, Westwood, MA worth?

The TopHap Estimate for 138 Mill St, Westwood, MA is $891,422 as of Sep 24, 2026. The likely range is $813,949 to $968,895. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 138 Mill St, Westwood, MA last sell?

138 Mill St, Westwood, MA last sold on May 6, 2025 for $825,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 138 Mill St, Westwood, MA?

138 Mill St, Westwood, MA has 3 bedrooms, 1.5 bathrooms, 1,516 square feet of living space and a 3.00-acre lot.

When was 138 Mill St, Westwood, MA built?

138 Mill St, Westwood, MA was built in 1818, making it 208 years old. It is a conventional home. The building has 2 stories.

What schools serve 138 Mill St, Westwood, MA?

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

How does 138 Mill St, Westwood, MA compare to other homes in Westwood 02090?

Among the 4,822 homes in Westwood 02090, it is worth more than 21% of them ($891,422 against a typical $1,189,408), its price per square foot is higher than 58% of them ($588 against a typical $569), it is bigger than 24% of them (1,516 ft² against a typical 2,128 ft²), its lot is bigger than 97% of them (3 ac against a typical 0.53 ac) and it is newer than almost none of them (1818 against a typical 1959). Measured against all of Norfolk County, it is worth more than 66% 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 138 Mill St, Westwood, MA?

The 2025 property tax bill for 138 Mill St, Westwood, MA was $11,776. The county assessed it at $920,000.

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