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Rural ResidenceResidential
$3,723,360$429 / 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 Aug 30, 2026

23 SOUTH ST

SHERBORN, MA 01770
8
Beds
6 / 2
Baths
8,677 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.
32.68 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
15
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.7M
$3.4M low$4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$38,648 (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.$2,331,023 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$683,523
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,647,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,924,670

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.155 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.2 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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Historical
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.32.68
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Pine HillA
Elementary · Grades PK–5 · 1.1 mi
M
Dover-Sherborn Middle SchoolA-
Middle · Grades 6–8 · 2.0 mi
H
Dover-Sherborn High SchoolA+
High · Grades 9–12 · 2.1 mi

District: Dover-Sherborn School District

Neighborhood · ZIP 01770These 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.30
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,823
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$201,223
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$271,124
Average tempThe average temperature here across a full year.49°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

23 South 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.

  • Among the most valuable homes in Sherborn 01770
  • Among the largest homes in Sherborn 01770
  • Among the largest lots in Sherborn 01770
  • Older than 91% of homes in Sherborn 01770

What homes are worth in Sherborn 01770

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

This home
$554K$2.7M

This home is worth more than almost all homes in Sherborn 01770.

How it measures up in Sherborn 01770

The dot is this home. The mark in the middle is the typical home in Sherborn 01770.

Estimated value$3,723,360
CheaperTypical $1,262,762Pricier

Pricier than almost all homes nearby

Price per ft²$429
CheaperTypical $431Pricier

Pricier than 49% of homes nearby

Living area8,677 ft²
SmallerTypical 2,960 ft²Bigger

Bigger than almost all homes nearby

Lot size32.68 ac
SmallerTypical 2.23 acBigger

Bigger than almost all homes nearby

Year built1900
OlderTypical 1970Newer

Newer than 9% of homes nearby

How 23 South St ranks against every home in each area.
MeasureThis homeSherborn 01770Middlesex County
Estimated valuepricier than$3,723,360almost all homesalmost all homes
Price per ft²pricier than$42949% of homes41% of homes
Living areabigger than8,677 ft²almost all homesalmost all homes
Lot sizebigger than32.68 acalmost all homesalmost all homes
Year builtnewer than19009% of homes15% of homes

About 23 South St

How much is 23 South St, Sherborn, MA worth?

The TopHap Estimate for 23 South St, Sherborn, MA is $3,723,360 as of Aug 30, 2026. The likely range is $3,418,186 to $4,028,534. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 South St, Sherborn, MA last sell?

23 South St, Sherborn, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 23 South St, Sherborn, MA?

23 South St, Sherborn, MA has 8 bedrooms, 6 bathrooms, 8,677 square feet of living space and a 32.68-acre lot.

When was 23 South St, Sherborn, MA built?

23 South St, Sherborn, MA was built in 1900, making it 126 years old. It is a historical home. The building has 2 stories.

What schools serve 23 South St, Sherborn, MA?

23 South St, Sherborn, MA is assigned to Pine Hill (elementary), rated A; Dover-Sherborn Middle School (middle), rated A-; Dover-Sherborn High School (high), rated A+. All sit in Dover-Sherborn School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 South St, Sherborn, MA compare to other homes in Sherborn 01770?

Among the 1,542 homes in Sherborn 01770, it is worth more than almost all of them ($3,723,360 against a typical $1,262,762), its price per square foot is higher than 49% of them ($429 against a typical $431), it is bigger than almost all of them (8,677 ft² against a typical 2,960 ft²), its lot is bigger than almost all of them (32.68 ac against a typical 2.23 ac) and it is newer than 9% of them (1900 against a typical 1970). Measured against all of Middlesex County, it is worth more than almost all 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 23 South St, Sherborn, MA?

The 2025 property tax bill for 23 South St, Sherborn, MA was $38,648. The county assessed it at $2,331,023.

More homes on South St

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Assigned schools

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