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Single Family ResidenceResidential
$1,265,770$450 / 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

145 SPRING ST

HOPKINTON, MA 01748
3.5
Baths
2,813 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.
3.59 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.3M
$1.2M low$1.4M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,654 (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.$892,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$324,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$567,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,504,705

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.30 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
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.3.59
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Hopkinton Middle SchoolA
Middle · Grades 6–8 · 3.8 mi
H
Hopkinton High SchoolA+
High · Grades 9–12 · 3.8 mi
E
Marathon Elementary School
Elementary · Grades PK–1 · 4.2 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

145 Spring 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 82% of homes in Middlesex County
  • Bigger than 82% of homes in Middlesex County
  • Has a bigger lot than 92% of homes in Middlesex County
  • Among the newest 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
$450K$2.1M

This home is worth more than 76% 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$1,265,770
CheaperTypical $998,240Pricier

Pricier than 76% of homes nearby

Price per ft²$450
CheaperTypical $434Pricier

Pricier than 57% of homes nearby

Living area2,813 ft²
SmallerTypical 2,320 ft²Bigger

Bigger than 68% of homes nearby

Lot size3.59 ac
SmallerTypical 1.27 acBigger

Bigger than 76% of homes nearby

Year built2021
OlderTypical 1992Newer

Newer than 98% of homes nearby

How 145 Spring St ranks against every home in each area.
MeasureThis homeHopkinton 01748Middlesex County
Estimated valuepricier than$1,265,77076% of homes82% of homes
Price per ft²pricier than$45057% of homes47% of homes
Living areabigger than2,813 ft²68% of homes82% of homes
Lot sizebigger than3.59 ac76% of homes92% of homes
Year builtnewer than202198% of homesalmost all homes

About 145 Spring St

How much is 145 Spring St, Hopkinton, MA worth?

The TopHap Estimate for 145 Spring St, Hopkinton, MA is $1,265,770 as of Aug 30, 2026. The likely range is $1,163,083 to $1,368,457. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 145 Spring St, Hopkinton, MA last sell?

145 Spring St, Hopkinton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 145 Spring St, Hopkinton, MA?

145 Spring St, Hopkinton, MA has 3.5 bathrooms, 2,813 square feet of living space and a 3.59-acre lot.

When was 145 Spring St, Hopkinton, MA built?

145 Spring St, Hopkinton, MA was built in 2021, making it 5 years old. It is a cape cod home. The building has 1 story.

What schools serve 145 Spring St, Hopkinton, MA?

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

How does 145 Spring St, Hopkinton, MA compare to other homes in Hopkinton 01748?

Among the 6,096 homes in Hopkinton 01748, it is worth more than 76% of them ($1,265,770 against a typical $998,240), its price per square foot is higher than 57% of them ($450 against a typical $434), it is bigger than 68% of them (2,813 ft² against a typical 2,320 ft²), its lot is bigger than 76% of them (3.59 ac against a typical 1.27 ac) and it is newer than 98% of them (2021 against a typical 1992). Measured against all of Middlesex County, it is worth more than 82% 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 145 Spring St, Hopkinton, MA?

The 2025 property tax bill for 145 Spring St, Hopkinton, MA was $12,654. The county assessed it at $892,400.

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