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Office BuildingCommercial
Last sold for $5,135,000 on Feb 26, 2021

345 BOYLSTON ST

NEWTON, MA 02459
8
Baths
18,000 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
4
StoriesHow many floors the home has above ground.
24
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$5,135,000 · Feb 26, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$79,882 (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.$4,355,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$723,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,631,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,355,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Office Building
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

Transaction History(3)

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
Bowen Elementary SchoolA
Elementary · Grades KG–5 · 0.3 mi
H
Newton South High SchoolA+
High · Grades 9–12 · 0.4 mi
M
Oak Hill Middle SchoolA-
Middle · Grades 6–8 · 0.8 mi

District: Newton School District

Neighborhood · ZIP 02459These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
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.1.1%
PopulationHow many people live in this area.20,235
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,484 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$196,910
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$263,085
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.57%

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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

345 Boylston 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 largest homes in Thompsonville
  • Has a smaller lot than 90% of homes in Newton Center 02459
  • Newer than 82% of homes in Thompsonville

How it measures up in Newton Center 02459

The dot is this home. The mark in the middle is the typical home in Newton Center 02459.

Living area18,000 ft²
SmallerTypical 2,393 ft²Bigger

Bigger than almost all homes nearby

Lot size0.15 ac
SmallerTypical 0.24 acBigger

Bigger than 10% of homes nearby

Year built1973
OlderTypical 1945Newer

Newer than 78% of homes nearby

How 345 Boylston St ranks against every home in each area.
MeasureThis homeThompsonvilleNewton Center 02459Middlesex County
Living areabigger than18,000 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than0.15 ac16% of homes10% of homes25% of homes
Year builtnewer than197382% of homes78% of homes67% of homes

About 345 Boylston St

When did 345 Boylston St, Newton, MA last sell?

345 Boylston St, Newton, MA last sold on Feb 26, 2021 for $5,135,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 345 Boylston St, Newton, MA?

345 Boylston St, Newton, MA has 8 bathrooms, 18,000 square feet of living space and a 0.15-acre lot.

When was 345 Boylston St, Newton, MA built?

345 Boylston St, Newton, MA was built in 1973, making it 53 years old. The building has 4 stories.

What schools serve 345 Boylston St, Newton, MA?

345 Boylston St, Newton, MA is assigned to Bowen Elementary School (elementary), rated A; Newton South High School (high), rated A+; Oak Hill Middle School (middle), rated A-. All sit in Newton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 345 Boylston St, Newton, MA compare to other homes in Newton Center 02459?

Among the 5,967 homes in Newton Center 02459, it is bigger than almost all of them (18,000 ft² against a typical 2,393 ft²), its lot is bigger than 10% of them (0.15 ac against a typical 0.24 ac) and it is newer than 78% of them (1973 against a typical 1945). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 345 Boylston St, Newton, MA?

The 2025 property tax bill for 345 Boylston St, Newton, MA was $79,882. The county assessed it at $4,355,600.

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