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CondominiumResidential
$451,064$329 / 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 93How 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

121 WATERSIDE CLEARING

ACTON, MA 01718
2
Beds
1.5
Baths
1,370 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.
7.77 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$451K
$421K low$481K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,301 (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.$367,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$367,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$410,210

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMIDDLESEX
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
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

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.

H
Acton - Boxborough Regional High SchoolA
High · Grades 9–12 · 3.1 mi
E
Luther Conant Elementary SchoolA+
Elementary · Grades KG–6 · 3.2 mi
M
R. J. Grey Junior High SchoolA
Middle · Grades 7–8 · 3.3 mi

District: Acton-Boxborough School District

Neighborhood · ZIP 01718These 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.130
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.0%
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.59
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,659 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,897
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,056
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

121 Waterside Clearing 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.

  • Worth less than 89% of homes in Middlesex County
  • Costs less per square foot than 86% of homes in Middlesex County
  • Smaller than 81% of homes in Acton 01718
  • Has a bigger lot than 97% of homes in Middlesex County
  • Among the newest homes in Acton 01718

What homes are worth in Acton 01718

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

This home
$402K$598K

This home is worth more than 16% of homes in Acton 01718.

How it measures up in Acton 01718

The dot is this home. The mark in the middle is the typical home in Acton 01718.

Estimated value$451,064
CheaperTypical $517,732Pricier

Pricier than 16% of homes nearby

Price per ft²$329
CheaperTypical $332Pricier

Pricier than 41% of homes nearby

Living area1,370 ft²
SmallerTypical 1,594 ft²Bigger

Bigger than 19% of homes nearby

Lot size7.77 ac
SmallerTypical 10.95 acBigger

Bigger than 28% of homes nearby

Year built1972
OlderTypical 1972Newer

Newer than almost all homes nearby

How 121 Waterside Clearing ranks against every home in each area.
MeasureThis homeActon 01718Middlesex County
Estimated valuepricier than$451,06416% of homes11% of homes
Price per ft²pricier than$32941% of homes14% of homes
Living areabigger than1,370 ft²19% of homes28% of homes
Lot sizebigger than7.77 ac28% of homes97% of homes
Year builtnewer than1972almost all homes66% of homes

About 121 Waterside Clearing

How much is 121 Waterside Clearing, Acton, MA worth?

The TopHap Estimate for 121 Waterside Clearing, Acton, MA is $451,064 as of Sep 24, 2026. The likely range is $421,022 to $481,106. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Waterside Clearing, Acton, MA last sell?

121 Waterside Clearing, Acton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Waterside Clearing, Acton, MA?

121 Waterside Clearing, Acton, MA has 2 bedrooms, 1.5 bathrooms and 1,370 square feet of living space.

When was 121 Waterside Clearing, Acton, MA built?

121 Waterside Clearing, Acton, MA was built in 1972, making it 54 years old. The building has 2 stories.

What schools serve 121 Waterside Clearing, Acton, MA?

121 Waterside Clearing, Acton, MA is assigned to Acton - Boxborough Regional High School (high), rated A; Luther Conant Elementary School (elementary), 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 121 Waterside Clearing, Acton, MA compare to other homes in Acton 01718?

Among the 277 homes in Acton 01718, it is worth more than 16% of them ($451,064 against a typical $517,732), its price per square foot is higher than 41% of them ($329 against a typical $332), it is bigger than 19% of them (1,370 ft² against a typical 1,594 ft²), its lot is bigger than 28% of them (7.77 ac against a typical 10.95 ac) and it is newer than almost all of them (1972 against a typical 1972). Measured against all of Middlesex County, it is worth more than 11% of 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 121 Waterside Clearing, Acton, MA?

The 2025 property tax bill for 121 Waterside Clearing, Acton, MA was $6,301. The county assessed it at $367,400.

More homes on Waterside Clearing

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