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Single Family ResidenceResidential
$2,071,920$1,549 / 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 92How 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 MELLEN ST

NEEDHAM HEIGHTS, MA 02494
4
Beds
3
Baths
1,338 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2014
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$1.9M low$2.2M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,683 (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.$1,668,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$770,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$897,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,706,400

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.0.22
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
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Needham High SchoolA+
High · Grades 9–12 · 0.3 mi
E
Sunita L. Williams Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
M
Pollard Middle SchoolA+
Middle · Grades 7–8 · 1.1 mi

District: Needham School District

Neighborhood · ZIP 02494These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.9,968
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,614 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$161,988
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$224,494
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.52%

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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 Mellen 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 93% of homes in Norfolk County
  • Among the highest price per square foot in Norfolk County
  • Smaller than 70% of homes in Norfolk County
  • Has a smaller lot than 81% of homes in Needham Heights 02494
  • Newer than 95% of homes in Norfolk County

What homes are worth in Needham Heights 02494

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

This home
$458K$2.8M

This home is worth more than 87% of homes in Needham Heights 02494.

How it measures up in Needham Heights 02494

The dot is this home. The mark in the middle is the typical home in Needham Heights 02494.

Estimated value$2,071,920
CheaperTypical $1,316,490Pricier

Pricier than 87% of homes nearby

Price per ft²$1549
CheaperTypical $1156Pricier

Pricier than 88% of homes nearby

Living area1,338 ft²
SmallerTypical 1,247 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.22 ac
SmallerTypical 0.25 acBigger

Bigger than 19% of homes nearby

Year built2014
OlderTypical 1960Newer

Newer than 91% of homes nearby

How 18 Mellen St ranks against every home in each area.
MeasureThis homeNeedham Heights 02494Norfolk County
Estimated valuepricier than$2,071,92087% of homes93% of homes
Price per ft²pricier than$154988% of homesalmost all homes
Living areabigger than1,338 ft²58% of homes30% of homes
Lot sizebigger than0.22 ac19% of homes28% of homes
Year builtnewer than201491% of homes95% of homes

About 18 Mellen St

How much is 18 Mellen St, Needham Heights, MA worth?

The TopHap Estimate for 18 Mellen St, Needham Heights, MA is $2,071,920 as of Oct 21, 2026. The likely range is $1,908,085 to $2,235,755. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Mellen St, Needham Heights, MA last sell?

18 Mellen St, Needham Heights, MA last sold on Dec 14, 2016, according to the county's recorded deed.

How big is 18 Mellen St, Needham Heights, MA?

18 Mellen St, Needham Heights, MA has 4 bedrooms, 3 bathrooms, 1,338 square feet of living space and a 0.22-acre lot.

When was 18 Mellen St, Needham Heights, MA built?

18 Mellen St, Needham Heights, MA was built in 2014, making it 12 years old. It is a colonial home. The building has 2 stories.

What schools serve 18 Mellen St, Needham Heights, MA?

18 Mellen St, Needham Heights, MA is assigned to Needham High School (high), rated A+; Sunita L. Williams Elementary School (elementary), rated A; Pollard Middle School (middle), rated A+. All sit in Needham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Mellen St, Needham Heights, MA compare to other homes in Needham Heights 02494?

Among the 3,036 homes in Needham Heights 02494, it is worth more than 87% of them ($2,071,920 against a typical $1,316,490), its price per square foot is higher than 88% of them ($1549 against a typical $1156), it is bigger than 58% of them (1,338 ft² against a typical 1,247 ft²), its lot is bigger than 19% of them (0.22 ac against a typical 0.25 ac) and it is newer than 91% of them (2014 against a typical 1960). Measured against all of Norfolk County, it is worth more than 93% 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 Mellen St, Needham Heights, MA?

The 2025 property tax bill for 18 Mellen St, Needham Heights, MA was $17,683. The county assessed it at $1,668,200.

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