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CondominiumResidential
$240,479$302 / 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 98How 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 $400,000 on Oct 1, 2024

146 SWANSON RD

BOXBOROUGH, MA 01719
Building report
2
Beds
1
Baths
797 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.
10.02 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$240K
$235K low$246K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Oct 1, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,366 (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.$222,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$176,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$205,295

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.108 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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
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(5)

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
Blanchard Memorial SchoolA
Elementary · Grades KG–6 · 2.3 mi
H
Acton - Boxborough Regional High SchoolA+
High · Grades 9–12 · 4.7 mi
M
R. J. Grey Junior High SchoolA+
Middle · Grades 7–8 · 4.7 mi

District: Acton-Boxborough School District

Neighborhood · ZIP 01719These 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.148
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 100.67

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.5,481
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.532 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$150,967
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,937
Average tempThe average temperature here across a full year.48°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.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

146 Swanson Rd 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 least valuable homes in Middlesex County
  • Costs less per square foot than 91% of homes in Middlesex County
  • Smaller than 95% of homes in Middlesex County
  • Has a bigger lot than 97% of homes in Middlesex County
  • Older than 77% of homes in Boxborough 01719

What homes are worth in Boxborough 01719

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

This home
$158K$1.3M

This home is worth more than 28% of homes in Boxborough 01719.

How it measures up in Boxborough 01719

The dot is this home. The mark in the middle is the typical home in Boxborough 01719.

Estimated value$240,479
CheaperTypical $701,790Pricier

Pricier than 28% of homes nearby

Price per ft²$302
CheaperTypical $337Pricier

Pricier than 31% of homes nearby

Living area797 ft²
SmallerTypical 1,848 ft²Bigger

Bigger than 20% of homes nearby

Lot size10.02 ac
SmallerTypical 2.17 acBigger

Bigger than 91% of homes nearby

Year built1970
OlderTypical 1976Newer

Newer than 23% of homes nearby

How 146 Swanson Rd ranks against every home in each area.
MeasureThis homeBoxborough 01719Middlesex County
Estimated valuepricier than$240,47928% of homesalmost no homes
Price per ft²pricier than$30231% of homes9% of homes
Living areabigger than797 ft²20% of homes5% of homes
Lot sizebigger than10.02 ac91% of homes97% of homes
Year builtnewer than197023% of homes64% of homes

About 146 Swanson Rd

How much is 146 Swanson Rd, Boxborough, MA worth?

The TopHap Estimate for 146 Swanson Rd, Boxborough, MA is $240,479 as of Sep 24, 2026. The likely range is $235,432 to $245,526. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 146 Swanson Rd, Boxborough, MA last sell?

146 Swanson Rd, Boxborough, MA last sold on Oct 1, 2024 for $400,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 146 Swanson Rd, Boxborough, MA?

146 Swanson Rd, Boxborough, MA has 2 bedrooms, 1 bathrooms and 797 square feet of living space.

When was 146 Swanson Rd, Boxborough, MA built?

146 Swanson Rd, Boxborough, MA was built in 1970, making it 56 years old. It is a condo/apartment home. The building has 3 stories.

What schools serve 146 Swanson Rd, Boxborough, MA?

146 Swanson Rd, Boxborough, MA is assigned to Blanchard Memorial School (elementary), rated A; Acton - Boxborough Regional High School (high), rated A+; R. J. Grey Junior High School (middle), rated A+. All sit in Acton-Boxborough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 146 Swanson Rd, Boxborough, MA compare to other homes in Boxborough 01719?

Among the 2,121 homes in Boxborough 01719, it is worth more than 28% of them ($240,479 against a typical $701,790), its price per square foot is higher than 31% of them ($302 against a typical $337), it is bigger than 20% of them (797 ft² against a typical 1,848 ft²), its lot is bigger than 91% of them (10.02 ac against a typical 2.17 ac) and it is newer than 23% of them (1970 against a typical 1976). Measured against all of Middlesex County, it is worth more than almost no 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 146 Swanson Rd, Boxborough, MA?

The 2025 property tax bill for 146 Swanson Rd, Boxborough, MA was $3,366. The county assessed it at $222,300.

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