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Single Family ResidenceResidential
$1,465,983$457 / 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 Sep 24, 2026
Last sold for $767,500 on Jul 11, 2011

350 MILL ST

HOLLISTON, MA 01746
4
Beds
3.5
Baths
3,209 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.5M
$1.4M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$767,500 · Jul 11, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,018 (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.$1,229,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$294,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$935,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,440,200

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.Colonial
CountyMIDDLESEX
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2006
Lot (acres)The size of the land the home sits on, from county records.1.40
ConstructionThe main material the home's frame and walls are built from.Concrete
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(14)

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
Holliston High SchoolA
High · Grades 9–12 · 1.2 mi
M
Robert H. Adams Middle SchoolA-
Middle · Grades 6–8 · 2.1 mi
E
Placentino Elementary School
Elementary · Grades PK–2 · 2.2 mi

District: Holliston School District

Neighborhood · ZIP 01746These 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.11
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.15,460
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.813 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$148,945
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$184,552
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.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

350 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 more than 98% of homes in Holliston 01746
  • Costs more per square foot than 74% of homes in Holliston 01746
  • Bigger than 88% of homes in Middlesex County
  • Has a bigger lot than 85% of homes in Middlesex County
  • Newer than 85% of homes in Middlesex County

What homes are worth in Holliston 01746

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

This home
$228K$1.5M

This home is worth more than 98% of homes in Holliston 01746.

How it measures up in Holliston 01746

The dot is this home. The mark in the middle is the typical home in Holliston 01746.

Estimated value$1,465,983
CheaperTypical $721,180Pricier

Pricier than 98% of homes nearby

Price per ft²$457
CheaperTypical $387Pricier

Pricier than 74% of homes nearby

Living area3,209 ft²
SmallerTypical 1,901 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.4 ac
SmallerTypical 0.7 acBigger

Bigger than 75% of homes nearby

Year built1995
OlderTypical 1968Newer

Newer than 79% of homes nearby

How 350 Mill St ranks against every home in each area.
MeasureThis homeHolliston 01746Middlesex County
Estimated valuepricier than$1,465,98398% of homes88% of homes
Price per ft²pricier than$45774% of homes49% of homes
Living areabigger than3,209 ft²87% of homes88% of homes
Lot sizebigger than1.4 ac75% of homes85% of homes
Year builtnewer than199579% of homes85% of homes

About 350 Mill St

How much is 350 Mill St, Holliston, MA worth?

The TopHap Estimate for 350 Mill St, Holliston, MA is $1,465,983 as of Sep 24, 2026. The likely range is $1,392,528 to $1,539,438. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 350 Mill St, Holliston, MA last sell?

350 Mill St, Holliston, MA last sold on Jul 11, 2011 for $767,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 350 Mill St, Holliston, MA?

350 Mill St, Holliston, MA has 4 bedrooms, 3.5 bathrooms, 3,209 square feet of living space and a 1.40-acre lot.

When was 350 Mill St, Holliston, MA built?

350 Mill St, Holliston, MA was built in 1995, making it 31 years old. It is a colonial home. The building has 2 stories.

What schools serve 350 Mill St, Holliston, MA?

350 Mill St, Holliston, MA is assigned to Holliston High School (high), rated A; Robert H. Adams Middle School (middle), rated A-; Placentino Elementary School (elementary). All sit in Holliston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 350 Mill St, Holliston, MA compare to other homes in Holliston 01746?

Among the 5,229 homes in Holliston 01746, it is worth more than 98% of them ($1,465,983 against a typical $721,180), its price per square foot is higher than 74% of them ($457 against a typical $387), it is bigger than 87% of them (3,209 ft² against a typical 1,901 ft²), its lot is bigger than 75% of them (1.4 ac against a typical 0.7 ac) and it is newer than 79% of them (1995 against a typical 1968). Measured against all of Middlesex County, it is worth more than 88% 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 350 Mill St, Holliston, MA?

The 2025 property tax bill for 350 Mill St, Holliston, MA was $18,018. The county assessed it at $1,229,900.

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