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CondominiumResidential

280 Elm St

MARLBOROUGH, MA 01752
4.38 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.
2
StoriesHow many floors the home has above ground.
Built 197343 units1,008–1,260 ft²
$17M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$380K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$369
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+23.8%vs the Marlborough ZIP median sale $/ft² ($298)

Sales Performance

$370K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
-9.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
2.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.6%per yeartypical hold 5.1 yrsfrom 75 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19871993199820032007201320182025
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19871993199820032007201320182025

114 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$343K$386K$429K$472K1,008 ft²1,058 ft²1,109 ft²1,159 ft²1,210 ft²1,260 ft²
2 bd3 bd
2 bed
29 units
3 bed
14 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
2 bd · 1.5 ba · 1,008 ft²
28 units
3 bd · 1.5 ba · 1,260 ft²
14 units
One-off layouts
1 unit

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$343K–$343K
1 unit
$368K–$375K
14 units
$376K–$384K
10 units
$391K–$403K
12 units
$409K–$422K
2 units
$427K–$435K
3 units
$472K–$472K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.79%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.7%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.13.8 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.30%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.34%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$382,769
Median tax billThe middle annual property tax bill among the building's units.$3,313
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit A6Nov 6, 2025$370,000Unit C8Aug 4, 2025$342,000Unit C6Jul 21, 2025$408,500Unit A4May 29, 2025$470,000Unit B8Aug 4, 2023$346,500Unit A3Jun 29, 2023$355,000Unit A2Feb 1, 2023$325,000Unit A1Oct 27, 2022$293,000Unit D1Apr 20, 2022$316,000Unit A4Apr 4, 2022$351,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Raymond C. Richer Elementary SchoolD-
Elementary · Grades KG–5 · 0.7 mi
M
1LT Charles W. Whitcomb SchoolB-
Middle · Grades 6–8 · 1.3 mi
H
Marlborough High SchoolC-
High · Grades 9–12 · 1.7 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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

280 Elm St # A1
2 bd · 1.5 ba · 1,008 ft²
$369K
280 Elm St # B1
3 bd · 1.5 ba · 1,260 ft²
$434K
280 Elm St # C1
3 bd · 1.5 ba · 1,260 ft²
$422K
280 Elm St # D1
2 bd · 1.5 ba · 1,008 ft²
$400K
280 Elm St # E1
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # A2
2 bd · 1.5 ba · 1,008 ft²
$384K
280 Elm St # B2
2 bd · 1.5 ba · 1,008 ft²
$379K
280 Elm St # C2
3 bd · 1.5 ba · 1,260 ft²
$435K
280 Elm St # D2
2 bd · 1.5 ba · 1,008 ft²
$396K
280 Elm St # E2
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # A3
3 bd · 1.5 ba · 1,260 ft²
$396K
280 Elm St # B3
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # C3
2 bd · 1.5 ba · 1,008 ft²
$374K
280 Elm St # D3
2 bd · 1.5 ba · 1,008 ft²
$368K
280 Elm St # E3
2 bd · 1.5 ba · 1,008 ft²
$403K
280 Elm St # A4
3 bd · 1.5 ba · 1,260 ft²
$472K
280 Elm St # B4
2 bd · 1.5 ba · 1,008 ft²
$377K
280 Elm St # C4
2 bd · 1.5 ba · 1,008 ft²
$380K
280 Elm St # D4
2 bd · 1.5 ba · 1,008 ft²
$378K
280 Elm St # E4
3 bd · 1.5 ba · 1,260 ft²
$400K
280 Elm St # A5
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # B5
2 bd · 1.5 ba · 1,008 ft²
$377K
280 Elm St # C5
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # D5
3 bd · 1.5 ba · 1,260 ft²
$399K
280 Elm St # E5
3 bd · 1.5 ba · 1,260 ft²
$402K
280 Elm St # A6
2 bd · 1.5 ba · 1,008 ft²
$370K
280 Elm St # B6
2 bd · 1.5 ba · 1,008 ft²
$380K
280 Elm St # C6
3 bd · 1.5 ba · 1,260 ft²
$409K
280 Elm St # D6
3 bd · 1.5 ba · 1,260 ft²
$402K
280 Elm St # E6
2 bd · 1.5 ba · 1,008 ft²
$376K
280 Elm St # A7
2 bd · 1.5 ba · 1,008 ft²
$376K
280 Elm St # B7
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # C7
3 bd · 1.5 ba · 1,260 ft²
$395K
280 Elm St # E7
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # A8
2 bd · 1.5 ba · 1,008 ft²
$375K
280 Elm St # B8
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # C8
2 bd · 1.5 ba · 1,008 ft²
$343K
280 Elm St # E8
2 bd · 1.5 ba · 1,008 ft²
$372K
280 Elm St # B9
3 bd · 1.5 ba · 1,260 ft²
$400K
280 Elm St # C9
3 bd · 1.5 ba · 1,260 ft²
$391K
280 Elm St # E9
2 bd · 1.5 ba · 1,008 ft²
$380K
280 Elm St # B10
3 bd · 1.5 ba · 1,260 ft²
$402K
280 Elm St # C10
2 bd · 1.5 ba · 1,260 ft²
$427K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 280 Elm St

How many units are in 280 Elm St, Marlborough, MA?

280 Elm St, Marlborough, MA has 43 residential units across built in 1973, according to county assessor records.

What is a unit at 280 Elm St, Marlborough, MA worth?

The median TopHap Estimate across the 43 units at 280 Elm St, Marlborough, MA is $380,081. That works out to $369 per square foot. Units run from 1,008 to 1,260 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 280 Elm St, Marlborough, MA expensive for Marlborough?

Units at 280 Elm St, Marlborough, MA carry a median of $369 per square foot, 24% above the Marlborough median of $298 per square foot.

How often do units sell at 280 Elm St, Marlborough, MA?

1 units at 280 Elm St, Marlborough, MA sold in the last 12 months, out of 114 recorded arms-length sales all time. That is a turnover rate of 2.3% of the building per year. The median sale over that period was $370K.

Have units at 280 Elm St, Marlborough, MA appreciated?

Across 75 repeat sales of the same unit, 280 Elm St, Marlborough, MA returned a median 4.6% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 5.1 years.

What floor plans does 280 Elm St, Marlborough, MA have?

The most common plan at 280 Elm St, Marlborough, MA is a 2-bedroom of 1,008 square feet, repeated 28 times, with a median estimate of $374,111. TopHap identifies 2 recurring plans in the building.

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Assigned schools

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