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Single Family ResidenceResidential
$1,473,135$499 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $196,500 on Dec 29, 1987

166 UNION ST

NATICK, MA 01760
3
Beds
3
Baths
2,950 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
9
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

$1.5M
$1.3M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$196,500 · Dec 29, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,458 (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.$1,292,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$440,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$851,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,207,600

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.4 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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.2005
Lot (acres)The size of the land the home sits on, from county records.0.64
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
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
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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
Memorial Elementary SchoolB+
Elementary · Grades KG–4 · 0.4 mi
H
Natick High SchoolA
High · Grades 9–12 · 2.1 mi
M
John F. Kennedy Middle SchoolA
Middle · Grades 5–8 · 3.4 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%

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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

166 Union 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 89% of homes in Natick 01760
  • Bigger than 87% of homes in Natick 01760
  • Has a bigger lot than 83% of homes in Natick 01760
  • Older than 89% 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
$304K$2M

This home is worth more than 89% 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$1,473,135
CheaperTypical $858,955Pricier

Pricier than 89% of homes nearby

Price per ft²$499
CheaperTypical $489Pricier

Pricier than 55% of homes nearby

Living area2,950 ft²
SmallerTypical 1,705 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.64 ac
SmallerTypical 0.3 acBigger

Bigger than 83% of homes nearby

Year built1900
OlderTypical 1956Newer

Newer than 11% of homes nearby

How 166 Union St ranks against every home in each area.
MeasureThis homeNatick 01760Middlesex County
Estimated valuepricier than$1,473,13589% of homes88% of homes
Price per ft²pricier than$49955% of homes59% of homes
Living areabigger than2,950 ft²87% of homes84% of homes
Lot sizebigger than0.64 ac83% of homes70% of homes
Year builtnewer than190011% of homes15% of homes

About 166 Union St

How much is 166 Union St, Natick, MA worth?

The TopHap Estimate for 166 Union St, Natick, MA is $1,473,135 as of Aug 30, 2026. The likely range is $1,289,695 to $1,656,575. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 166 Union St, Natick, MA last sell?

166 Union St, Natick, MA last sold on Dec 29, 1987 for $196,500, according to the county's recorded deed.

How big is 166 Union St, Natick, MA?

166 Union St, Natick, MA has 3 bedrooms, 3 bathrooms, 2,950 square feet of living space and a 0.64-acre lot.

When was 166 Union St, Natick, MA built?

166 Union St, Natick, MA was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 166 Union St, Natick, MA?

166 Union St, Natick, MA is assigned to Memorial Elementary School (elementary), rated B+; Natick High School (high), rated A; John F. Kennedy Middle School (middle), rated A. All sit in Natick School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 166 Union St, Natick, MA compare to other homes in Natick 01760?

Among the 12,050 homes in Natick 01760, it is worth more than 89% of them ($1,473,135 against a typical $858,955), its price per square foot is higher than 55% of them ($499 against a typical $489), it is bigger than 87% of them (2,950 ft² against a typical 1,705 ft²), its lot is bigger than 83% of them (0.64 ac against a typical 0.3 ac) and it is newer than 11% of them (1900 against a typical 1956). Measured against all of Middlesex County, it is worth more than 88% 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 166 Union St, Natick, MA?

The 2025 property tax bill for 166 Union St, Natick, MA was $15,458. The county assessed it at $1,292,500.

More homes on Union St

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