Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$444,825$194 / 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

146 SOUTH ST

PETERSHAM, MA 01366
4
Beds
2.5
Baths
2,288 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.
4.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$445K
$414K low$475K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,821 (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.$401,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$69,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$332,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$377,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$453,530

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
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.4.80
ConstructionThe main material the home's frame and walls are built from.Concrete
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

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
Petersham CenterA
Elementary · Grades KG–6 · 1.3 mi
M
Ralph C. Mahar Regional High SchoolC
Middle · Grades 7–12 · 9.7 mi

District: Ralph C. Mahar School District

Neighborhood · ZIP 01366These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.53

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.819
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,718
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,158
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.50%

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

146 South 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.

  • Costs less per square foot than 95% of homes in Worcester County
  • Bigger than 74% of homes in Worcester County
  • Has a bigger lot than 91% of homes in Worcester County
  • Newer than 69% of homes in Worcester County

What homes are worth in Petersham 01366

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

This home
$217K$797K

This home is worth more than 55% of homes in Petersham 01366.

How it measures up in Petersham 01366

The dot is this home. The mark in the middle is the typical home in Petersham 01366.

Estimated value$444,825
CheaperTypical $433,251Pricier

Pricier than 55% of homes nearby

Price per ft²$194
CheaperTypical $229Pricier

Pricier than 29% of homes nearby

Living area2,288 ft²
SmallerTypical 1,805 ft²Bigger

Bigger than 70% of homes nearby

Lot size4.8 ac
SmallerTypical 3.65 acBigger

Bigger than 58% of homes nearby

Year built1987
OlderTypical 1968Newer

Newer than 63% of homes nearby

How 146 South St ranks against every home in each area.
MeasureThis homePetersham 01366Worcester County
Estimated valuepricier than$444,82555% of homes41% of homes
Price per ft²pricier than$19429% of homes5% of homes
Living areabigger than2,288 ft²70% of homes74% of homes
Lot sizebigger than4.8 ac58% of homes91% of homes
Year builtnewer than198763% of homes69% of homes

About 146 South St

How much is 146 South St, Petersham, MA worth?

The TopHap Estimate for 146 South St, Petersham, MA is $444,825 as of Sep 24, 2026. The likely range is $414,212 to $475,438. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 146 South St, Petersham, MA last sell?

146 South St, Petersham, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 146 South St, Petersham, MA?

146 South St, Petersham, MA has 4 bedrooms, 2.5 bathrooms, 2,288 square feet of living space and a 4.80-acre lot.

When was 146 South St, Petersham, MA built?

146 South St, Petersham, MA was built in 1987, making it 39 years old. It is a colonial home. The building has 2 stories.

What schools serve 146 South St, Petersham, MA?

146 South St, Petersham, MA is assigned to Petersham Center (elementary), rated A; Ralph C. Mahar Regional High School (middle), rated C. All sit in Ralph C. Mahar School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 146 South St, Petersham, MA compare to other homes in Petersham 01366?

Among the 552 homes in Petersham 01366, it is worth more than 55% of them ($444,825 against a typical $433,251), its price per square foot is higher than 29% of them ($194 against a typical $229), it is bigger than 70% of them (2,288 ft² against a typical 1,805 ft²), its lot is bigger than 58% of them (4.8 ac against a typical 3.65 ac) and it is newer than 63% of them (1987 against a typical 1968). Measured against all of Worcester County, it is worth more than 41% 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 146 South St, Petersham, MA?

The 2025 property tax bill for 146 South St, Petersham, MA was $5,821. The county assessed it at $401,700.

More homes on South St

Closest homes

More homes in Petersham 01366

Assigned schools

Explore the area

See this home in context

Open 146 South 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