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CondominiumResidential
$1,400,946$283 / 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 Sep 24, 2026
Last sold for $885,000 on Jun 14, 2017

31 OAK ST

WALTHAM, MA 02453
Building report
4
Beds
3.5
Baths
4,951 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.
2016
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

$1.4M
$1.4M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$885,000 · Jun 14, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,752 (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.$1,196,700 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,196,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,368,190

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.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
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.Forced Air With Air Conditioning
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

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

E
Henry Whittemore Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.8 mi

District: Waltham School District

Neighborhood · ZIP 02453These 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.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.32,080
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,464 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,981
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,606
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

31 Oak 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.

  • Among the most valuable homes in Southside
  • Costs less per square foot than 98% of homes in Southside
  • Bigger than 98% of homes in Southside
  • Has a bigger lot than 83% of homes in Southside
  • Newer than 97% of homes in Middlesex County

What homes are worth in Waltham 02453

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

This home
$359K$1.3M

This home is worth more than almost all homes in Waltham 02453.

How it measures up in Waltham 02453

The dot is this home. The mark in the middle is the typical home in Waltham 02453.

Estimated value$1,400,946
CheaperTypical $788,527Pricier

Pricier than almost all homes nearby

Price per ft²$283
CheaperTypical $492Pricier

Pricier than 2% of homes nearby

Living area4,951 ft²
SmallerTypical 1,870 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.22 ac
SmallerTypical 0.15 acBigger

Bigger than 81% of homes nearby

Year built2016
OlderTypical 1930Newer

Newer than 96% of homes nearby

How 31 Oak St ranks against every home in each area.
MeasureThis homeSouthsideWaltham 02453Middlesex County
Estimated valuepricier than$1,400,946almost all homesalmost all homes87% of homes
Price per ft²pricier than$2832% of homes2% of homes6% of homes
Living areabigger than4,951 ft²98% of homes98% of homes98% of homes
Lot sizebigger than0.22 ac83% of homes81% of homes37% of homes
Year builtnewer than201696% of homes96% of homes97% of homes

About 31 Oak St

How much is 31 Oak St, Waltham, MA worth?

The TopHap Estimate for 31 Oak St, Waltham, MA is $1,400,946 as of Sep 24, 2026. The likely range is $1,372,391 to $1,429,501. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 Oak St, Waltham, MA last sell?

31 Oak St, Waltham, MA last sold on Jun 14, 2017 for $885,000, according to the county's recorded deed.

How big is 31 Oak St, Waltham, MA?

31 Oak St, Waltham, MA has 4 bedrooms, 3.5 bathrooms and 4,951 square feet of living space.

When was 31 Oak St, Waltham, MA built?

31 Oak St, Waltham, MA was built in 2016, making it 10 years old. The building has 2 stories.

What schools serve 31 Oak St, Waltham, MA?

31 Oak St, Waltham, MA is assigned to Henry Whittemore Elementary School (elementary), rated B; John W. McDevitt Middle School (middle), rated B; Waltham Sr High School (high), rated C. All sit in Waltham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 Oak St, Waltham, MA compare to other homes in Waltham 02453?

Among the 6,296 homes in Waltham 02453, it is worth more than almost all of them ($1,400,946 against a typical $788,527), its price per square foot is higher than 2% of them ($283 against a typical $492), it is bigger than 98% of them (4,951 ft² against a typical 1,870 ft²), its lot is bigger than 81% of them (0.22 ac against a typical 0.15 ac) and it is newer than 96% of them (2016 against a typical 1930). Measured against all of Middlesex County, it is worth more than 87% 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 Oak St, Waltham, MA?

The 2025 property tax bill for 31 Oak St, Waltham, MA was $11,752. The county assessed it at $1,196,700.

More homes on Oak St

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