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CondominiumResidential

133 Ash St

WALTHAM, MA 02453
2021
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 20214 units2,088–2,100 ft²
$3.9M
All units combinedThe sum of our current value estimates for every unit in the building — roughly what the whole building's homes are worth together.
$988K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$473
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+0.7%vs the Waltham ZIP median sale $/ft² ($470)

Sales Performance

$930K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
25.0%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.

4 arms-length sales on record for this building.

Unit Mix & Floor PlansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.

3 bed
4 units
Recurring floor plansThe building's recurring floor plans, found by grouping units with identical beds, baths and square footage in county records. Larger groups are the building's standard layouts; leftover units have one-off sizes.
3 bd · 3 ba · 2,088 ft²
2 units
One-off layouts
2 units

Value DistributionHow the building's units spread across value ranges by our current estimates. A wide spread usually means big differences in size, floor or view.

$941K–$941K
1 unit
$988K–$988K
1 unit
$988K–$995K
2 units

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.100%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.50%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.3.7 yrs
Cash purchases (5 yrs)The share of purchases in the last 5 years with no mortgage recorded. High cash share is common in second-home and investor buildings.100%
Avg. loan-to-valueAverage current loan balance against unit value across the building. Low numbers mean owners hold lots of equity — a sign of financial stability.14%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$978,920
Median tax billThe middle annual property tax bill among the building's units.$8,136
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.0

Recent SalesThe latest recorded arms-length sales in the building, newest first.

Unit 3Feb 26, 2026$930,000Unit 2Jun 15, 2021$820,000Unit 4Jun 4, 2021$828,000Unit 1May 28, 2021$820,000

Values are TopHap estimates, not appraisals. Sales, ownership and tax figures come from recorded county documents via ATTOM and can lag by several weeks.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMiddlesex
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement

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%

All UnitsEvery property record the county has at this street address, such as the units in a condo building. Prices shown are our estimates, not asking prices.

133 Ash St Unit 1
3 bd · 3 ba · 2,090 ft²
$995K
133 Ash St Unit 2
3 bd · 3 ba · 2,088 ft²
$988K
133 Ash St
3 bd · 3 ba · 2,100 ft²
$941K
133 Ash St Unit 4
3 bd · 3 ba · 2,088 ft²
$988K

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

About 133 Ash St

How many units are in 133 Ash St, Waltham, MA?

133 Ash St, Waltham, MA has 4 residential units across built in 2021, according to county assessor records.

What is a unit at 133 Ash St, Waltham, MA worth?

The median TopHap Estimate across the 4 units at 133 Ash St, Waltham, MA is $988,057. That works out to $473 per square foot. Units run from 2,088 to 2,100 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 133 Ash St, Waltham, MA expensive for Waltham?

Units at 133 Ash St, Waltham, MA carry a median of $473 per square foot, 1% above the Waltham median of $470 per square foot.

How often do units sell at 133 Ash St, Waltham, MA?

1 units at 133 Ash St, Waltham, MA sold in the last 12 months, out of 4 recorded arms-length sales all time. That is a turnover rate of 25.0% of the building per year. The median sale over that period was $930K.

What floor plans does 133 Ash St, Waltham, MA have?

The most common plan at 133 Ash St, Waltham, MA is a 3-bedroom of 2,088 square feet, repeated 2 times, with a median estimate of $988,057. TopHap identifies 1 recurring plans in the building.

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