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Single Family ResidenceResidential
$1,005,799$361 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $345,000 on Jun 28, 2001

21 LIBERTY ST

NATICK, MA 01760
6
Beds
3 / 1
Baths
2,786 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.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
2
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$930K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$345,000 · Jun 28, 2001
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$593,799
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$475,039
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.42%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$312,000
MIDDLESEX SAVINGS BANK · recorded Oct 7, 2015
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$100,000
MIDDLESEX SAVINGS BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,446 (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.$873,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$475,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$397,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$873,400

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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.Single Family Residence
CountyMiddlesex
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1984
Lot (acres)The size of the land the home sits on, from county records.0.49
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckGreenhouse

Transaction History(6)

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
Bennett - Hemenway Elementary SchoolA
Elementary · Grades KG–4 · 0.6 mi
M
Wilson Middle SchoolA-
Middle · Grades 5–8 · 0.8 mi
H
Natick High SchoolA
High · Grades 9–12 · 2.6 mi

District: Natick School District

Neighborhood · ZIP 01760These 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.79
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 100.70

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.37,721
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,380 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,738
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$174,842
Average tempThe average temperature here across a full year.49°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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

21 Liberty 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.

  • Worth more than 70% of homes in Middlesex County
  • Costs less per square foot than 96% of homes in Natick 01760
  • Bigger than 84% of homes in Natick 01760
  • Has a bigger lot than 77% of homes in Natick 01760

What homes are worth in Natick 01760

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

This home
$293K$2M

This home is worth more than 66% of homes in Natick 01760.

How it measures up in Natick 01760

The dot is this home. The mark in the middle is the typical home in Natick 01760.

Estimated value$1,005,799
CheaperTypical $864,651Pricier

Pricier than 66% of homes nearby

Price per ft²$361
CheaperTypical $491Pricier

Pricier than 4% of homes nearby

Living area2,786 ft²
SmallerTypical 1,705 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.49 ac
SmallerTypical 0.3 acBigger

Bigger than 77% of homes nearby

Year built1950
OlderTypical 1956Newer

Newer than 41% of homes nearby

How 21 Liberty St ranks against every home in each area.
MeasureThis homeNatick 01760Middlesex County
Estimated valuepricier than$1,005,79966% of homes70% of homes
Price per ft²pricier than$3614% of homes22% of homes
Living areabigger than2,786 ft²84% of homes81% of homes
Lot sizebigger than0.49 ac77% of homes64% of homes
Year builtnewer than195041% of homes41% of homes

About 21 Liberty St

How much is 21 Liberty St, Natick, MA worth?

The TopHap Estimate for 21 Liberty St, Natick, MA is $1,005,799 as of Jul 14, 2026. The likely range is $930,173 to $1,081,425. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Liberty St, Natick, MA last sell?

21 Liberty St, Natick, MA last sold on Jun 28, 2001 for $345,000, according to the county's recorded deed.

How big is 21 Liberty St, Natick, MA?

21 Liberty St, Natick, MA has 6 bedrooms, 3 bathrooms, 2,786 square feet of living space and a 0.49-acre lot.

When was 21 Liberty St, Natick, MA built?

21 Liberty St, Natick, MA was built in 1950, making it 76 years old. The building has 2 stories.

What schools serve 21 Liberty St, Natick, MA?

21 Liberty St, Natick, MA is assigned to Bennett - Hemenway Elementary School (elementary), rated A; Wilson Middle School (middle), rated A-; Natick High School (high), rated A. All sit in Natick School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Liberty St, Natick, MA compare to other homes in Natick 01760?

Among the 12,052 homes in Natick 01760, it is worth more than 66% of them ($1,005,799 against a typical $864,651), its price per square foot is higher than 4% of them ($361 against a typical $491), it is bigger than 84% of them (2,786 ft² against a typical 1,705 ft²), its lot is bigger than 77% of them (0.49 ac against a typical 0.3 ac) and it is newer than 41% of them (1950 against a typical 1956). Measured against all of Middlesex County, it is worth more than 70% 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 21 Liberty St, Natick, MA?

The 2025 property tax bill for 21 Liberty St, Natick, MA was $10,446. The county assessed it at $873,400.

Closest homes

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Assigned schools

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