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CondominiumResidential
$605,539$402 / 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 82How 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 $600,000 on Nov 17, 2025

515 LEXINGTON ST

WALTHAM, MA 02452
Building report
1
Baths
1,507 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.
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$606K
$497K low$714K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$600,000 · Nov 17, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,409 (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.$550,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$550,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$644,955

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.47
51
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.15 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.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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
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
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.

M
John F. Kennedy Middle SchoolB
Middle · Grades 6–8 · 0.3 mi
H
Waltham Sr High SchoolD+
High · Grades 9–12 · 0.4 mi
E
Thomas R Plympton Elementary SchoolC-
Elementary · Grades KG–5 · 0.8 mi

District: Waltham School District

Neighborhood · ZIP 02452These 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.93
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.77

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.17,230
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,328 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,289
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,986
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

515 Lexington 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 less than 86% of homes in Piety Corner
  • Costs less per square foot than 72% of homes in Piety Corner
  • Smaller than 66% of homes in Waltham 02452
  • Older than 94% of homes in Piety Corner

What homes are worth in Waltham 02452

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

This home
$379K$1.7M

This home is worth more than 18% of homes in Waltham 02452.

How it measures up in Waltham 02452

The dot is this home. The mark in the middle is the typical home in Waltham 02452.

Estimated value$605,539
CheaperTypical $830,990Pricier

Pricier than 18% of homes nearby

Price per ft²$402
CheaperTypical $472Pricier

Pricier than 31% of homes nearby

Living area1,507 ft²
SmallerTypical 1,907 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.3 ac
SmallerTypical 0.34 acBigger

Bigger than 46% of homes nearby

Year built1910
OlderTypical 1977Newer

Newer than 6% of homes nearby

How 515 Lexington St ranks against every home in each area.
MeasureThis homePiety CornerWaltham 02452Middlesex County
Estimated valuepricier than$605,53914% of homes18% of homes26% of homes
Price per ft²pricier than$40228% of homes31% of homes33% of homes
Living areabigger than1,507 ft²38% of homes34% of homes35% of homes
Lot sizebigger than0.3 ac59% of homes46% of homes49% of homes
Year builtnewer than19106% of homes6% of homes20% of homes

About 515 Lexington St

How much is 515 Lexington St, Waltham, MA worth?

The TopHap Estimate for 515 Lexington St, Waltham, MA is $605,539 as of Sep 24, 2026. The likely range is $497,235 to $713,843. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 515 Lexington St, Waltham, MA last sell?

515 Lexington St, Waltham, MA last sold on Nov 17, 2025 for $600,000, according to the county's recorded deed.

How big is 515 Lexington St, Waltham, MA?

515 Lexington St, Waltham, MA has 1 bathrooms and 1,507 square feet of living space.

When was 515 Lexington St, Waltham, MA built?

515 Lexington St, Waltham, MA was built in 1910, making it 116 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 515 Lexington St, Waltham, MA?

515 Lexington St, Waltham, MA is assigned to John F. Kennedy Middle School (middle), rated B; Waltham Sr High School (high), rated D+; Thomas R Plympton Elementary School (elementary), rated C-. All sit in Waltham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 515 Lexington St, Waltham, MA compare to other homes in Waltham 02452?

Among the 3,442 homes in Waltham 02452, it is worth more than 18% of them ($605,539 against a typical $830,990), its price per square foot is higher than 31% of them ($402 against a typical $472), it is bigger than 34% of them (1,507 ft² against a typical 1,907 ft²), its lot is bigger than 46% of them (0.3 ac against a typical 0.34 ac) and it is newer than 6% of them (1910 against a typical 1977). Measured against all of Middlesex County, it is worth more than 26% 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 515 Lexington St, Waltham, MA?

The 2025 property tax bill for 515 Lexington St, Waltham, MA was $5,409. The county assessed it at $550,800.

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