Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$489,676$160 / 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 96How 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 $155,000 on Oct 15, 1998

31 FLAT ROCK RD

PETERSHAM, MA 01366
5
Beds
2
Baths
3,060 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.
5 ac
Lot SizeThe size of the land the home sits on, from county records.
1926
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$490K
$470K low$509K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$155,000 · Oct 15, 1998
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.$429,676
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$343,741
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.11%
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.$60,000
ATHOL SAVINGS BANK · R · recorded Jan 8, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,032 (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.$416,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$66,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$349,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$417,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$496,945

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.54
58
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
30
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
42
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.5.00
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
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, Basement
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.

E
Petersham CenterA
Elementary · Grades KG–6 · 3.2 mi
M
Ralph C. Mahar Regional High SchoolC
Middle · Grades 7–12 · 5.2 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%

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

31 Flat Rock Rd 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.

  • Among the lowest price per square foot in Worcester County
  • Bigger than 90% of homes in Worcester County
  • Has a bigger lot than 92% of homes in Worcester County
  • Older than 78% 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
$243K$809K

This home is worth more than 59% 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$489,676
CheaperTypical $463,218Pricier

Pricier than 59% of homes nearby

Price per ft²$160
CheaperTypical $245Pricier

Pricier than 6% of homes nearby

Living area3,060 ft²
SmallerTypical 1,805 ft²Bigger

Bigger than 88% of homes nearby

Lot size5 ac
SmallerTypical 3.69 acBigger

Bigger than 60% of homes nearby

Year built1926
OlderTypical 1968Newer

Newer than 33% of homes nearby

How 31 Flat Rock Rd ranks against every home in each area.
MeasureThis homePetersham 01366Worcester County
Estimated valuepricier than$489,67659% of homes51% of homes
Price per ft²pricier than$1606% of homesalmost no homes
Living areabigger than3,060 ft²88% of homes90% of homes
Lot sizebigger than5 ac60% of homes92% of homes
Year builtnewer than192633% of homes22% of homes

About 31 Flat Rock Rd

How much is 31 Flat Rock Rd, Petersham, MA worth?

The TopHap Estimate for 31 Flat Rock Rd, Petersham, MA is $489,676 as of Jul 14, 2026. The likely range is $470,156 to $509,196. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Flat Rock Rd, Petersham, MA last sell?

31 Flat Rock Rd, Petersham, MA last sold on Oct 15, 1998 for $155,000, according to the county's recorded deed.

How big is 31 Flat Rock Rd, Petersham, MA?

31 Flat Rock Rd, Petersham, MA has 5 bedrooms, 2 bathrooms, 3,060 square feet of living space and a 5.00-acre lot.

When was 31 Flat Rock Rd, Petersham, MA built?

31 Flat Rock Rd, Petersham, MA was built in 1926, making it 100 years old. It is a cape cod home. The building has 2 stories.

What schools serve 31 Flat Rock Rd, Petersham, MA?

31 Flat Rock Rd, 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 31 Flat Rock Rd, Petersham, MA compare to other homes in Petersham 01366?

Among the 552 homes in Petersham 01366, it is worth more than 59% of them ($489,676 against a typical $463,218), its price per square foot is higher than 6% of them ($160 against a typical $245), it is bigger than 88% of them (3,060 ft² against a typical 1,805 ft²), its lot is bigger than 60% of them (5 ac against a typical 3.69 ac) and it is newer than 33% of them (1926 against a typical 1968). Measured against all of Worcester County, it is worth more than 51% 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 31 Flat Rock Rd, Petersham, MA?

The 2025 property tax bill for 31 Flat Rock Rd, Petersham, MA was $6,032. The county assessed it at $416,300.

Closest homes

More homes in Petersham 01366

Assigned schools

Explore the area

See this home in context

Open 31 Flat Rock Rd 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