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Single Family ResidenceResidential
$988,179$265 / 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 95How 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
Last sold for $197,000 on Mar 31, 1993

23 COLLEGE ST

HOPKINTON, MA 01748
5
Beds
2.5
Baths
3,730 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.
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$988K
$935K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$197,000 · Mar 31, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,103 (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.$783,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$312,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$470,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$935,560

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.31 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.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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.1.50
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.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.Yes

Transaction History(4)

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
Marathon Elementary School
Elementary · Grades PK–1 · 1.5 mi
H
Hopkinton High SchoolA+
High · Grades 9–12 · 1.8 mi
M
Hopkinton Middle SchoolA
Middle · Grades 6–8 · 1.9 mi

District: Hopkinton School District

Neighborhood · ZIP 01748These 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.36
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 100.66

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.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.19,208
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.687 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$189,861
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$255,819
Average tempThe average temperature here across a full year.48°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.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 College 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 69% of homes in Middlesex County
  • Among the lowest price per square foot in Hopkinton 01748
  • Bigger than 94% of homes in Middlesex County
  • Has a bigger lot than 86% of homes in Middlesex County
  • Among the oldest homes in Middlesex County

What homes are worth in Hopkinton 01748

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

This home
$440K$2.1M

This home is worth more than 49% of homes in Hopkinton 01748.

How it measures up in Hopkinton 01748

The dot is this home. The mark in the middle is the typical home in Hopkinton 01748.

Estimated value$988,179
CheaperTypical $998,280Pricier

Pricier than 49% of homes nearby

Price per ft²$265
CheaperTypical $435Pricier

Cheaper than almost all homes nearby

Living area3,730 ft²
SmallerTypical 2,324 ft²Bigger

Bigger than 90% of homes nearby

Lot size1.5 ac
SmallerTypical 1.24 acBigger

Bigger than 63% of homes nearby

Year built1850
OlderTypical 1992Newer

Newer than 3% of homes nearby

How 23 College St ranks against every home in each area.
MeasureThis homeHopkinton 01748Middlesex County
Estimated valuepricier than$988,17949% of homes69% of homes
Price per ft²pricier than$265almost no homes4% of homes
Living areabigger than3,730 ft²90% of homes94% of homes
Lot sizebigger than1.5 ac63% of homes86% of homes
Year builtnewer than18503% of homesalmost no homes

About 23 College St

How much is 23 College St, Hopkinton, MA worth?

The TopHap Estimate for 23 College St, Hopkinton, MA is $988,179 as of Aug 30, 2026. The likely range is $935,254 to $1,041,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 College St, Hopkinton, MA last sell?

23 College St, Hopkinton, MA last sold on Mar 31, 1993 for $197,000, according to the county's recorded deed.

How big is 23 College St, Hopkinton, MA?

23 College St, Hopkinton, MA has 5 bedrooms, 2.5 bathrooms, 3,730 square feet of living space and a 1.50-acre lot.

When was 23 College St, Hopkinton, MA built?

23 College St, Hopkinton, MA was built in 1850, making it 176 years old. The building has 2 stories.

What schools serve 23 College St, Hopkinton, MA?

23 College St, Hopkinton, MA is assigned to Marathon Elementary School (elementary); Hopkinton High School (high), rated A+; Hopkinton Middle School (middle), rated A. All sit in Hopkinton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 College St, Hopkinton, MA compare to other homes in Hopkinton 01748?

Among the 6,096 homes in Hopkinton 01748, it is worth more than 49% of them ($988,179 against a typical $998,280), its price per square foot is higher than almost none of them ($265 against a typical $435), it is bigger than 90% of them (3,730 ft² against a typical 2,324 ft²), its lot is bigger than 63% of them (1.5 ac against a typical 1.24 ac) and it is newer than 3% of them (1850 against a typical 1992). Measured against all of Middlesex County, it is worth more than 69% 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 23 College St, Hopkinton, MA?

The 2025 property tax bill for 23 College St, Hopkinton, MA was $11,103. The county assessed it at $783,000.

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