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CondominiumResidential
$1,668,218$751 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $809,000 on Jun 15, 2012

391 WALNUT ST UNIT 9

NEWTON, MA 02460
Building report
4
Beds
4 / 1
Baths
2,220 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.
0.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
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

$1.7M
$1.6M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$809,000 · Jun 15, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,114 (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.$1,338,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,338,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,299,200

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.16 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Condominium
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.93
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
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

H
Newton North High SchoolA+
High · Grades 9–12 · 0.1 mi
E
Cabot Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
M
F. A. Day Middle SchoolA
Middle · Grades 6–8 · 0.8 mi

District: Newton School District

Neighborhood · ZIP 02460These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.8,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,537 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$157,605
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$203,173
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

391 Walnut St Unit 9 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 more per square foot than 89% of homes in Middlesex County
  • Bigger than 65% of homes in Middlesex County
  • Has a bigger lot than 95% of homes in Newtonville 02460
  • Newer than 75% of homes in Newtonville

What homes are worth in Newtonville 02460

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

This home
$451K$3.5M

This home is worth more than 70% of homes in Newtonville 02460.

How it measures up in Newtonville 02460

The dot is this home. The mark in the middle is the typical home in Newtonville 02460.

Estimated value$1,668,218
CheaperTypical $1,380,903Pricier

Pricier than 70% of homes nearby

Price per ft²$751
CheaperTypical $698Pricier

Pricier than 68% of homes nearby

Living area2,220 ft²
SmallerTypical 2,193 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.93 ac
SmallerTypical 0.2 acBigger

Bigger than 95% of homes nearby

Year built1940
OlderTypical 1925Newer

Newer than 69% of homes nearby

How 391 Walnut St Unit 9 ranks against every home in each area.
MeasureThis homeNewtonvilleNewtonville 02460Middlesex County
Estimated valuepricier than$1,668,21854% of homes70% of homes91% of homes
Price per ft²pricier than$75159% of homes68% of homes89% of homes
Living areabigger than2,220 ft²42% of homes51% of homes65% of homes
Lot sizebigger than0.93 ac94% of homes95% of homes78% of homes
Year builtnewer than194075% of homes69% of homes36% of homes

About 391 Walnut St Unit 9

How much is 391 Walnut St Unit 9, Newton, MA worth?

The TopHap Estimate for 391 Walnut St Unit 9, Newton, MA is $1,668,218 as of Aug 30, 2026. The likely range is $1,636,158 to $1,700,278. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 391 Walnut St Unit 9, Newton, MA last sell?

391 Walnut St Unit 9, Newton, MA last sold on Jun 15, 2012 for $809,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 391 Walnut St Unit 9, Newton, MA?

391 Walnut St Unit 9, Newton, MA has 4 bedrooms, 4 bathrooms, 2,220 square feet of living space and a 0.93-acre lot.

When was 391 Walnut St Unit 9, Newton, MA built?

391 Walnut St Unit 9, Newton, MA was built in 1940, making it 86 years old. The building has 2 stories.

What schools serve 391 Walnut St Unit 9, Newton, MA?

391 Walnut St Unit 9, Newton, MA is assigned to Newton North High School (high), rated A+; Cabot Elementary School (elementary), rated A; F. A. Day Middle School (middle), rated A. All sit in Newton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 391 Walnut St Unit 9, Newton, MA compare to other homes in Newtonville 02460?

Among the 2,653 homes in Newtonville 02460, it is worth more than 70% of them ($1,668,218 against a typical $1,380,903), its price per square foot is higher than 68% of them ($751 against a typical $698), it is bigger than 51% of them (2,220 ft² against a typical 2,193 ft²), its lot is bigger than 95% of them (0.93 ac against a typical 0.2 ac) and it is newer than 69% of them (1940 against a typical 1925). 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 391 Walnut St Unit 9, Newton, MA?

The 2025 property tax bill for 391 Walnut St Unit 9, Newton, MA was $13,114. The county assessed it at $1,338,200.

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