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Single Family ResidenceResidential
$1,614,985$520 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

18 GRANISON RD

WESTON, MA 02493
4
Beds
3.5
Baths
3,108 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.
2.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.6M
$1.5M low$1.8M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,854 (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.$1,457,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$969,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$487,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,369,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,788,375

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.148 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.1 percent flood zone

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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.2.46
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
CountryA+
Elementary · Grades PK–3 · 2.3 mi
H
Weston High SchoolA+
High · Grades 9–12 · 3.9 mi
M
Weston Middle SchoolA+
Middle · Grades 6–8 · 3.9 mi

District: Weston School District

Neighborhood · ZIP 02493These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.12,379
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.714 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$202,894
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$294,479
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

18 Granison 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.

  • Worth more than 91% of homes in Middlesex County
  • Costs less per square foot than 90% of homes in Weston 02493
  • Bigger than 87% of homes in Middlesex County
  • Has a bigger lot than 89% of homes in Middlesex County
  • Older than 81% of homes in Weston 02493

What homes are worth in Weston 02493

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

This home
$834K$7.3M

This home is worth more than 24% of homes in Weston 02493.

How it measures up in Weston 02493

The dot is this home. The mark in the middle is the typical home in Weston 02493.

Estimated value$1,614,985
CheaperTypical $2,218,691Pricier

Pricier than 24% of homes nearby

Price per ft²$520
CheaperTypical $688Pricier

Pricier than 10% of homes nearby

Living area3,108 ft²
SmallerTypical 3,324 ft²Bigger

Bigger than 45% of homes nearby

Lot size2.46 ac
SmallerTypical 1.38 acBigger

Bigger than 86% of homes nearby

Year built1937
OlderTypical 1965Newer

Newer than 19% of homes nearby

How 18 Granison Rd ranks against every home in each area.
MeasureThis homeWeston 02493Middlesex County
Estimated valuepricier than$1,614,98524% of homes91% of homes
Price per ft²pricier than$52010% of homes63% of homes
Living areabigger than3,108 ft²45% of homes87% of homes
Lot sizebigger than2.46 ac86% of homes89% of homes
Year builtnewer than193719% of homes34% of homes

About 18 Granison Rd

How much is 18 Granison Rd, Weston, MA worth?

The TopHap Estimate for 18 Granison Rd, Weston, MA is $1,614,985 as of Oct 21, 2026. The likely range is $1,477,025 to $1,752,945. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Granison Rd, Weston, MA last sell?

18 Granison Rd, Weston, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 18 Granison Rd, Weston, MA?

18 Granison Rd, Weston, MA has 4 bedrooms, 3.5 bathrooms, 3,108 square feet of living space and a 2.46-acre lot.

When was 18 Granison Rd, Weston, MA built?

18 Granison Rd, Weston, MA was built in 1937, making it 89 years old. It is a cape cod home. The building has 2 stories.

What schools serve 18 Granison Rd, Weston, MA?

18 Granison Rd, Weston, MA is assigned to Country (elementary), rated A+; Weston High School (high), rated A+; Weston Middle School (middle), rated A+. All sit in Weston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Granison Rd, Weston, MA compare to other homes in Weston 02493?

Among the 3,712 homes in Weston 02493, it is worth more than 24% of them ($1,614,985 against a typical $2,218,691), its price per square foot is higher than 10% of them ($520 against a typical $688), it is bigger than 45% of them (3,108 ft² against a typical 3,324 ft²), its lot is bigger than 86% of them (2.46 ac against a typical 1.38 ac) and it is newer than 19% of them (1937 against a typical 1965). Measured against all of Middlesex County, it is worth more than 91% 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 Granison Rd, Weston, MA?

The 2026 property tax bill for 18 Granison Rd, Weston, MA was $15,854. The county assessed it at $1,457,200.

More homes on Granison Rd

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