Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$898,949$394 / 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 95How 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 $599,900 on May 18, 2018

166 UNION ST

NORFOLK, MA 02056
3
Beds
2.5
Baths
2,280 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
2018
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$899K
$857K low$941K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$599,900 · May 18, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,384 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$900,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$270,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$629,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$794,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$848,255

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyNORFOLK
Lot (acres)The size of the land the home sits on, from county records.0.90
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(4)

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.

M
King Philip Regional Middle SchoolB
Middle · Grades 7–8 · 0.2 mi
E
H Olive Day
Elementary · Grades PK–2 · 1.6 mi
H
King Philip Regional High SchoolB
High · Grades 9–12 · 1.8 mi

District: King Philip School District

Neighborhood · ZIP 02056These 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.0
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.68

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
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.1.0%
PopulationHow many people live in this area.11,438
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.746 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$173,317
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$189,796
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Owner Tools

Do you own this home?
Claim this home

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 69% of homes in Norfolk 02056
  • Costs less per square foot than 67% of homes in Norfolk County
  • Bigger than 72% of homes in Norfolk County
  • Has a bigger lot than 75% of homes in Norfolk County
  • Newer than 97% of homes in Norfolk County

What homes are worth in Norfolk 02056

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

This home
$392K$1.6M

This home is worth more than 69% of homes in Norfolk 02056.

How it measures up in Norfolk 02056

The dot is this home. The mark in the middle is the typical home in Norfolk 02056.

Estimated value$898,949
CheaperTypical $804,446Pricier

Pricier than 69% of homes nearby

Price per ft²$394
CheaperTypical $378Pricier

Pricier than 61% of homes nearby

Living area2,280 ft²
SmallerTypical 2,155 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.9 ac
SmallerTypical 0.94 acBigger

Bigger than 47% of homes nearby

Year built2018
OlderTypical 1984Newer

Newer than 95% of homes nearby

How 166 Union St ranks against every home in each area.
MeasureThis homeNorfolk 02056Norfolk County
Estimated valuepricier than$898,94969% of homes67% of homes
Price per ft²pricier than$39461% of homes33% of homes
Living areabigger than2,280 ft²56% of homes72% of homes
Lot sizebigger than0.9 ac47% of homes75% of homes
Year builtnewer than201895% of homes97% of homes

About 166 Union St

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

The TopHap Estimate for 166 Union St, Norfolk, MA is $898,949 as of Sep 24, 2026. The likely range is $856,608 to $941,290. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

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

166 Union St, Norfolk, MA last sold on May 18, 2018 for $599,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 166 Union St, Norfolk, MA?

166 Union St, Norfolk, MA has 3 bedrooms, 2.5 bathrooms, 2,280 square feet of living space and a 0.90-acre lot.

When was 166 Union St, Norfolk, MA built?

166 Union St, Norfolk, MA was built in 2018, making it 8 years old. It is a colonial home. The building has 2 stories.

What schools serve 166 Union St, Norfolk, MA?

166 Union St, Norfolk, MA is assigned to King Philip Regional Middle School (middle), rated B; H Olive Day (elementary); King Philip Regional High School (high), rated B. All sit in King Philip School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 166 Union St, Norfolk, MA compare to other homes in Norfolk 02056?

Among the 3,647 homes in Norfolk 02056, it is worth more than 69% of them ($898,949 against a typical $804,446), its price per square foot is higher than 61% of them ($394 against a typical $378), it is bigger than 56% of them (2,280 ft² against a typical 2,155 ft²), its lot is bigger than 47% of them (0.9 ac against a typical 0.94 ac) and it is newer than 95% of them (2018 against a typical 1984). Measured against all of Norfolk County, it is worth more than 67% 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, Norfolk, MA?

The 2026 property tax bill for 166 Union St, Norfolk, MA was $13,384. The county assessed it at $900,100.

More homes on Union St

Closest homes

More homes in Norfolk 02056

Assigned schools

Explore the area

See this home in context

Open 166 Union St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map