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CondominiumResidential
$993,814$260 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $815,500 on Sep 2, 2020

27 CHESTNUT ST

WALTHAM, MA 02453
Building report
3
Beds
3.5
Baths
3,827 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.
2016
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$994K
$952K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$815,500 · Sep 2, 2020
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$232,189
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$185,751
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.77%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$611,625
WELLS FARGO BANK NA · P · recorded Sep 2, 2020
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$150,000
PNC BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,598 (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.$875,600 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$875,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,049,085

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

Transaction History(1)

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
William F. Stanley Elementary SchoolB-
Elementary · Grades KG–5 · 0.6 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 1.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

27 Chestnut 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 90% of homes in Southside
  • Among the lowest price per square foot in Waltham 02453
  • Bigger than 94% of homes in Middlesex County
  • Has a bigger lot than 88% 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
$385K$1.3M

This home is worth more than 84% of 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$993,814
CheaperTypical $800,140Pricier

Pricier than 84% of homes nearby

Price per ft²$260
CheaperTypical $503Pricier

Cheaper than almost all homes nearby

Living area3,827 ft²
SmallerTypical 1,858 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.25 ac
SmallerTypical 0.15 acBigger

Bigger than 86% of homes nearby

Year built2016
OlderTypical 1930Newer

Newer than 96% of homes nearby

How 27 Chestnut St ranks against every home in each area.
MeasureThis homeSouthsideWaltham 02453Middlesex County
Estimated valuepricier than$993,81490% of homes84% of homes69% of homes
Price per ft²pricier than$2602% of homesalmost no homes3% of homes
Living areabigger than3,827 ft²89% of homes93% of homes94% of homes
Lot sizebigger than0.25 ac88% of homes86% of homes43% of homes
Year builtnewer than201696% of homes96% of homes97% of homes

About 27 Chestnut St

How much is 27 Chestnut St, Waltham, MA worth?

The TopHap Estimate for 27 Chestnut St, Waltham, MA is $993,814 as of Jul 14, 2026. The likely range is $952,034 to $1,035,594. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27 Chestnut St, Waltham, MA last sell?

27 Chestnut St, Waltham, MA last sold on Sep 2, 2020 for $815,500, according to the county's recorded deed.

How big is 27 Chestnut St, Waltham, MA?

27 Chestnut St, Waltham, MA has 3 bedrooms, 3.5 bathrooms and 3,827 square feet of living space.

When was 27 Chestnut St, Waltham, MA built?

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

What schools serve 27 Chestnut St, Waltham, MA?

27 Chestnut St, Waltham, MA is assigned to William F. Stanley 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 27 Chestnut St, Waltham, MA compare to other homes in Waltham 02453?

Among the 6,296 homes in Waltham 02453, it is worth more than 84% of them ($993,814 against a typical $800,140), its price per square foot is higher than almost none of them ($260 against a typical $503), it is bigger than 93% of them (3,827 ft² against a typical 1,858 ft²), its lot is bigger than 86% of them (0.25 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 69% 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 27 Chestnut St, Waltham, MA?

The 2025 property tax bill for 27 Chestnut St, Waltham, MA was $8,598. The county assessed it at $875,600.

Closest homes

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Assigned schools

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