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Duplex (2 Units, Any Combination)Residential
Last sold for $570,000 on Dec 12, 2024

345 SOUTH ST

MARLBOROUGH, MA 01752
3
Beds
2
Baths
1,904 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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.$570,000 · Dec 12, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,215 (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.$528,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$217,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$311,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$586,413

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.55
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
1LT Charles W. Whitcomb SchoolD
Middle · Grades 6–8 · 1.6 mi
E
Goodnow Brothers Elementary SchoolD+
Elementary · Grades KG–5 · 1.9 mi
H
Marlborough High SchoolD+
High · Grades 9–12 · 2.0 mi

District: Marlborough School District

Neighborhood · ZIP 01752These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
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.42,223
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,953 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,959
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,206
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

345 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.

  • Bigger than 66% of homes in Marlborough 01752
  • Has a bigger lot than 67% of homes in Middlesex County
  • Older than 69% of homes in Marlborough 01752

How it measures up in Marlborough 01752

The dot is this home. The mark in the middle is the typical home in Marlborough 01752.

Living area1,904 ft²
SmallerTypical 1,591 ft²Bigger

Bigger than 66% of homes nearby

Lot size0.55 ac
SmallerTypical 0.46 acBigger

Bigger than 58% of homes nearby

Year built1957
OlderTypical 1967Newer

Newer than 31% of homes nearby

How 345 South St ranks against every home in each area.
MeasureThis homeMarlborough 01752Middlesex County
Living areabigger than1,904 ft²66% of homes53% of homes
Lot sizebigger than0.55 ac58% of homes67% of homes
Year builtnewer than195731% of homes49% of homes

About 345 South St

When did 345 South St, Marlborough, MA last sell?

345 South St, Marlborough, MA last sold on Dec 12, 2024 for $570,000, according to the county's recorded deed.

How big is 345 South St, Marlborough, MA?

345 South St, Marlborough, MA has 3 bedrooms, 2 bathrooms, 1,904 square feet of living space and a 0.55-acre lot.

When was 345 South St, Marlborough, MA built?

345 South St, Marlborough, MA was built in 1957, making it 69 years old. It is a duplex single home. The building has 1 story.

What schools serve 345 South St, Marlborough, MA?

345 South St, Marlborough, MA is assigned to 1LT Charles W. Whitcomb School (middle), rated D; Goodnow Brothers Elementary School (elementary), rated D+; Marlborough High School (high), rated D+. All sit in Marlborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 345 South St, Marlborough, MA compare to other homes in Marlborough 01752?

Among the 10,751 homes in Marlborough 01752, it is bigger than 66% of them (1,904 ft² against a typical 1,591 ft²), its lot is bigger than 58% of them (0.55 ac against a typical 0.46 ac) and it is newer than 31% of them (1957 against a typical 1967). 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 South St, Marlborough, MA?

The 2025 property tax bill for 345 South St, Marlborough, MA was $5,215. The county assessed it at $528,900.

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