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CondominiumResidential
Last sold for $144,200 on Apr 25, 2008

13 SUMMER ST

WESTBOROUGH, MA 01581
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 197517 units264–555 ft²
$4.4M
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.
$257K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$473
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+72.0%vs the Westborough ZIP median sale $/ft² ($275)

Sales Performance

—
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
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.
+2.7%per yeartypical hold 6.9 yrsfrom 6 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
20072009201020122014201920202025
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
20072009201020122014201920202025

24 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.
$249K$256K$263K$271K264 ft²322 ft²380 ft²439 ft²497 ft²555 ft²
1 bd
1 bed
17 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.
1 bd · 1 ba · 545 ft²
3 units
1 bd · 1 ba · 532 ft²
2 units
1 bd · 1 ba · 535 ft²
2 units
1 bd · 1 ba · 541 ft²
2 units
1 bd · 1 ba · 544 ft²
2 units
One-off layouts
6 units

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.

$249K–$251K
5 units
$252K–$253K
2 units
$256K–$257K
2 units
$258K–$259K
3 units
$260K–$261K
2 units
$265K–$265K
1 unit
$266K–$266K
1 unit
$271K–$271K
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.18%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.47%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.6.2 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.0%
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.24%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$280,826
Median tax billThe middle annual property tax bill among the building's units.$3,941
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 9Jul 31, 2025$1,600,000Unit 6Jul 31, 2025$1,600,000Unit 3Jul 31, 2025$1,600,000Unit 4Jul 31, 2025$1,600,000Unit 1Jul 31, 2025$1,600,000Unit 5Jul 31, 2025$1,600,000Unit 12Jul 31, 2025$1,600,000Unit 14Aug 29, 2024$282,500Unit 2Sep 11, 2020$189,000Unit 10Oct 1, 2019$184,000

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

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,802 (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.$233,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$233,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$213,800

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
CountyWorcester
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.Electric
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.

E
J. Harding Armstrong Elementary SchoolA-
Elementary · Grades KG–3 · 0.5 mi
H
Westborough High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Sarah W. Gibbons Middle SchoolA+
Middle · Grades 7–8 · 0.6 mi

District: Westborough School District

Neighborhood · ZIP 01581These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.21,880
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,023 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,510
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,995
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.50%

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.

13 Summer St
1 bd · 1 ba · 543 ft²
$249K
13 Summer St
1 bd · 1 ba · 532 ft²
$249K
13 Summer St # 2
1 bd · 1 ba · 532 ft²
$252K
13 Summer St
1 bd · 1 ba · 547 ft²
$260K
13 Summer St # 4
1 bd · 1 ba · 264 ft²
$249K
13 Summer St # 5
1 bd · 1 ba · 535 ft²
$250K
13 Summer St # 6
1 bd · 1 ba · 535 ft²
$250K
13 Summer St # 7
1 bd · 1 ba · 545 ft²
$256K
13 Summer St # 8
1 bd · 1 ba · 541 ft²
$265K
13 Summer St # 9
1 bd · 1 ba · 554 ft²
$251K
13 Summer St # 10
1 bd · 1 ba · 551 ft²
$271K
13 Summer St # 11
1 bd · 1 ba · 545 ft²
$258K
13 Summer St # 12
1 bd · 1 ba · 544 ft²
$266K
13 Summer St # 14
1 bd · 1 ba · 541 ft²
$259K
13 Summer St # 15
1 bd · 1 ba · 555 ft²
$259K
13 Summer St # 16
1 bd · 1 ba · 550 ft²
$261K
13 Summer St # 17
1 bd · 1 ba · 545 ft²
$253K
13 Summer St # 18
1 bd · 1 ba · 544 ft²
$257K

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

About 13 Summer St

How many units are in 13 Summer St, Westborough, MA?

13 Summer St, Westborough, MA has 17 residential units across built in 1975, according to county assessor records.

What is a unit at 13 Summer St, Westborough, MA worth?

The median TopHap Estimate across the 17 units at 13 Summer St, Westborough, MA is $256,727. That works out to $473 per square foot. Units run from 264 to 555 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 13 Summer St, Westborough, MA expensive for Westborough?

Units at 13 Summer St, Westborough, MA carry a median of $473 per square foot, 72% above the Westborough median of $275 per square foot.

How often do units sell at 13 Summer St, Westborough, MA?

0 units at 13 Summer St, Westborough, MA sold in the last 12 months, out of 24 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 13 Summer St, Westborough, MA appreciated?

Across 6 repeat sales of the same unit, 13 Summer St, Westborough, MA returned a median 2.7% 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 6.9 years.

What floor plans does 13 Summer St, Westborough, MA have?

The most common plan at 13 Summer St, Westborough, MA is a 1-bedroom of 545 square feet, repeated 3 times, with a median estimate of $255,815. TopHap identifies 5 recurring plans in the building.

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Assigned schools

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