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Single Family ResidenceResidential
$263,830$206 / 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 90How 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 $102,000 on May 20, 1991

18 MILL ST

MONSON, MA 01057
3
Beds
1.5
Baths
1,280 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1876
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.

Valuation

$264K
$237K low$290K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$102,000 · May 20, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,038 (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.$204,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$155,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,570

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.74 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyHAMPDEN
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.1999
Lot (acres)The size of the land the home sits on, from county records.0.25
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
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(5)

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
Granite Valley SchoolB-
Elementary · Grades 1–6 · 0.3 mi
M
Monson High SchoolC-
Middle · Grades 7–12 · 0.5 mi

District: Monson School District

Neighborhood · ZIP 01057These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.57

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.8,166
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.177 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,298
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,376
Average tempThe average temperature here across a full year.47°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.50%

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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

18 Mill 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 less than 95% of homes in Monson 01057
  • Costs less per square foot than 77% of homes in Monson 01057
  • Smaller than 76% of homes in Monson 01057
  • Has a smaller lot than 93% of homes in Monson 01057
  • Older than 98% of homes in Hampden County

What homes are worth in Monson 01057

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

This home
$238K$715K

This home is worth more than 5% of homes in Monson 01057.

How it measures up in Monson 01057

The dot is this home. The mark in the middle is the typical home in Monson 01057.

Estimated value$263,830
CheaperTypical $389,239Pricier

Pricier than 5% of homes nearby

Price per ft²$206
CheaperTypical $237Pricier

Pricier than 23% of homes nearby

Living area1,280 ft²
SmallerTypical 1,685 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.25 ac
SmallerTypical 1.42 acBigger

Bigger than 7% of homes nearby

Year built1876
OlderTypical 1974Newer

Newer than 7% of homes nearby

How 18 Mill St ranks against every home in each area.
MeasureThis homeMonson 01057Hampden County
Estimated valuepricier than$263,8305% of homes18% of homes
Price per ft²pricier than$20623% of homes24% of homes
Living areabigger than1,280 ft²24% of homes33% of homes
Lot sizebigger than0.25 ac7% of homes43% of homes
Year builtnewer than18767% of homes2% of homes

About 18 Mill St

How much is 18 Mill St, Monson, MA worth?

The TopHap Estimate for 18 Mill St, Monson, MA is $263,830 as of Sep 24, 2026. The likely range is $237,498 to $290,162. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Mill St, Monson, MA last sell?

18 Mill St, Monson, MA last sold on May 20, 1991 for $102,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 18 Mill St, Monson, MA?

18 Mill St, Monson, MA has 3 bedrooms, 1.5 bathrooms, 1,280 square feet of living space and a 0.25-acre lot.

When was 18 Mill St, Monson, MA built?

18 Mill St, Monson, MA was built in 1876, making it 150 years old. The building has 2 stories.

What schools serve 18 Mill St, Monson, MA?

18 Mill St, Monson, MA is assigned to Granite Valley School (elementary), rated B-; Monson High School (middle), rated C-. All sit in Monson School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Mill St, Monson, MA compare to other homes in Monson 01057?

Among the 3,070 homes in Monson 01057, it is worth more than 5% of them ($263,830 against a typical $389,239), its price per square foot is higher than 23% of them ($206 against a typical $237), it is bigger than 24% of them (1,280 ft² against a typical 1,685 ft²), its lot is bigger than 7% of them (0.25 ac against a typical 1.42 ac) and it is newer than 7% of them (1876 against a typical 1974). Measured against all of Hampden County, it is worth more than 18% 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 18 Mill St, Monson, MA?

The 2025 property tax bill for 18 Mill St, Monson, MA was $3,038. The county assessed it at $204,300.

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