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CondominiumResidential
$938,008$391 / 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 89How 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 $884,000 on Aug 27, 2024

141 ASH ST

WALTHAM, MA 02453
Building report
2.5
Baths
2,400 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.
4,224 ft²
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$938K
$836K 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.$884,000 · Aug 27, 2024
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.$230,808
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$184,646
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.76%
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.$707,200
M & T BANK · P · 5% 1 · recorded Aug 27, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,812 (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.$897,400 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$897,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$824,315

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
Henry Whittemore Elementary SchoolB
Elementary · Grades KG–5 · 0.4 mi
M
John W. McDevitt Middle SchoolB
Middle · Grades 6–8 · 0.9 mi
H
Waltham Sr High SchoolC
High · Grades 9–12 · 2.0 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

141 Ash 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 87% of homes in Southside
  • Costs less per square foot than 85% of homes in Waltham 02453
  • Bigger than 71% of homes in Middlesex County
  • Has a smaller lot than 91% of homes in Waltham 02453
  • Newer than 97% of homes in Waltham 02453

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
$362K$1.3M

This home is worth more than 77% 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$938,008
CheaperTypical $799,900Pricier

Pricier than 77% of homes nearby

Price per ft²$391
CheaperTypical $503Pricier

Pricier than 15% of homes nearby

Living area2,400 ft²
SmallerTypical 1,861 ft²Bigger

Bigger than 70% of homes nearby

Lot size4,224 ft²
SmallerTypical 0.15 acBigger

Bigger than 9% of homes nearby

Year built2017
OlderTypical 1930Newer

Newer than 97% of homes nearby

How 141 Ash St ranks against every home in each area.
MeasureThis homeSouthsideWaltham 02453Middlesex County
Estimated valuepricier than$938,00887% of homes77% of homes65% of homes
Price per ft²pricier than$39116% of homes15% of homes30% of homes
Living areabigger than2,400 ft²61% of homes70% of homes71% of homes
Lot sizebigger than4,224 ft²15% of homes9% of homes10% of homes
Year builtnewer than201796% of homes97% of homes97% of homes

About 141 Ash St

How much is 141 Ash St, Waltham, MA worth?

The TopHap Estimate for 141 Ash St, Waltham, MA is $938,008 as of Jul 14, 2026. The likely range is $836,223 to $1,039,793. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 141 Ash St, Waltham, MA last sell?

141 Ash St, Waltham, MA last sold on Aug 27, 2024 for $884,000, according to the county's recorded deed.

How big is 141 Ash St, Waltham, MA?

141 Ash St, Waltham, MA has 2.5 bathrooms and 2,400 square feet of living space.

When was 141 Ash St, Waltham, MA built?

141 Ash St, Waltham, MA was built in 2017, making it 9 years old. The building has 3 stories.

What schools serve 141 Ash St, Waltham, MA?

141 Ash 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 141 Ash St, Waltham, MA compare to other homes in Waltham 02453?

Among the 6,296 homes in Waltham 02453, it is worth more than 77% of them ($938,008 against a typical $799,900), its price per square foot is higher than 15% of them ($391 against a typical $503), it is bigger than 70% of them (2,400 ft² against a typical 1,861 ft²), its lot is bigger than 9% of them (4,224 ft² against a typical 0.15 ac) and it is newer than 97% of them (2017 against a typical 1930). Measured against all of Middlesex County, it is worth more than 65% 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 141 Ash St, Waltham, MA?

The 2025 property tax bill for 141 Ash St, Waltham, MA was $8,812. The county assessed it at $897,400.

Closest homes

More homes in Waltham 02453

Assigned schools

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