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CondominiumResidential

100 Lexington St

BELMONT, MA 02478
1.75 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 197731 units756–1,645 ft²
$17M
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.
$602K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$610
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+33.5%vs the Belmont ZIP median sale $/ft² ($457)

Sales Performance

$675K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+17.4%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.2%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.2%per yeartypical hold 9.1 yrsfrom 28 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19871992199720022007201220212026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19871992199720022007201220212026

59 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.

Every unit: size vs estimated valueEvery unit in the building as one dot: across is its size, up is our current value estimate, and color is its bedroom count. Vertical columns of dots are recurring floor plans; the height spread within a column shows how much floor, view and condition move prices for the same layout.
$390K$499K$609K$718K756 ft²934 ft²1,112 ft²1,289 ft²1,467 ft²1,645 ft²
1 bd2 bd
1 bed
12 units
2 bed
19 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.
1 bd · 1 ba · 756 ft²
12 units
2 bd · 2 ba · 996 ft²
9 units
2 bd · 2 ba · 994 ft²
3 units
2 bd · 2 ba · 1,001 ft²
3 units
2 bd · 2 ba · 1,013 ft²
3 units
One-off layouts
1 unit

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.

$390K–$390K
1 unit
$438K–$469K
7 units
$473K–$480K
4 units
$569K–$591K
3 units
$602K–$630K
14 units
$682K–$718K
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.13%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.42%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.15.3 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.86%
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.15%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$616,892
Median tax billThe middle annual property tax bill among the building's units.$5,763
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 A2Jun 15, 2026$675,000Unit C1Jul 18, 2025$575,000Unit A10Apr 8, 2024$493,000Unit B4Jul 31, 2023$440,000Unit C7Dec 22, 2022$410,000Unit C3Dec 9, 2021$419,000Unit B7Dec 7, 2021$400,000Unit B9Jul 20, 2021$487,500Unit PApr 16, 2021$565,000Unit B2Nov 1, 2017$495,000

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

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.16 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.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
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)
HeatingThe type of heating system in the home.Electric
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
Daniel ButlerA+
Elementary · Grades KG–3 · 0.1 mi
M
Winthrop L Chenery Upper Elementary SchoolA+
Middle · Grades 4–6 · 0.9 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Belmont School District

Neighborhood · ZIP 02478These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
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.27,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,959 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$162,650
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,185
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.

100 Lexington St # P
2 bd · 2 ba · 1,645 ft²
$718K
100 Lexington St # A1
2 bd · 2 ba · 996 ft²
$591K
100 Lexington St # B1
2 bd · 2 ba · 996 ft²
$623K
100 Lexington St # C1
2 bd · 2 ba · 996 ft²
$604K
100 Lexington St # A2
2 bd · 2 ba · 996 ft²
$682K
100 Lexington St # B2
2 bd · 2 ba · 996 ft²
$622K
100 Lexington St # C2
2 bd · 2 ba · 996 ft²
$622K
100 Lexington St # A3
1 bd · 1 ba · 756 ft²
$469K
100 Lexington St # B3
1 bd · 1 ba · 756 ft²
$472K
100 Lexington St # C3
1 bd · 1 ba · 756 ft²
$480K
100 Lexington St # A4
1 bd · 1 ba · 756 ft²
$453K
100 Lexington St # B4
1 bd · 1 ba · 756 ft²
$469K
100 Lexington St # C4
1 bd · 1 ba · 756 ft²
$475K
100 Lexington St # A5
2 bd · 2 ba · 1,001 ft²
$610K
100 Lexington St # B5
2 bd · 2 ba · 1,001 ft²
$575K
100 Lexington St # C5
2 bd · 2 ba · 1,001 ft²
$610K
100 Lexington St # A6
2 bd · 2 ba · 1,013 ft²
$609K
100 Lexington St # B6
2 bd · 2 ba · 1,013 ft²
$630K
100 Lexington St # C6
2 bd · 2 ba · 1,013 ft²
$623K
100 Lexington St # A7
1 bd · 1 ba · 756 ft²
$464K
100 Lexington St # B7
1 bd · 1 ba · 756 ft²
$448K
100 Lexington St # C7
1 bd · 1 ba · 756 ft²
$455K
100 Lexington St # A8
1 bd · 1 ba · 756 ft²
$439K
100 Lexington St # B8
1 bd · 1 ba · 756 ft²
$390K
100 Lexington St # C8
1 bd · 1 ba · 756 ft²
$475K
100 Lexington St # A9
2 bd · 2 ba · 994 ft²
$602K
100 Lexington St # B9
2 bd · 2 ba · 994 ft²
$603K
100 Lexington St # C9
2 bd · 2 ba · 994 ft²
$611K
100 Lexington St # A10
2 bd · 2 ba · 996 ft²
$569K
100 Lexington St # B10
2 bd · 2 ba · 996 ft²
$604K
100 Lexington St # C10
2 bd · 2 ba · 996 ft²
$630K

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

About 100 Lexington St

How many units are in 100 Lexington St, Belmont, MA?

100 Lexington St, Belmont, MA has 31 residential units across built in 1977, according to county assessor records.

What is a unit at 100 Lexington St, Belmont, MA worth?

The median TopHap Estimate across the 31 units at 100 Lexington St, Belmont, MA is $602,224. That works out to $610 per square foot. Units run from 756 to 1,645 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 100 Lexington St, Belmont, MA expensive for Belmont?

Units at 100 Lexington St, Belmont, MA carry a median of $610 per square foot, 33% above the Belmont median of $457 per square foot.

How often do units sell at 100 Lexington St, Belmont, MA?

1 units at 100 Lexington St, Belmont, MA sold in the last 12 months, out of 59 recorded arms-length sales all time. That is a turnover rate of 3.2% of the building per year. The median sale over that period was $675K.

Have units at 100 Lexington St, Belmont, MA appreciated?

Across 28 repeat sales of the same unit, 100 Lexington St, Belmont, MA returned a median 3.2% per year. Because each pair is the same unit bought and sold, the figure is not distorted by which units traded. The median owner held for 9.1 years.

What floor plans does 100 Lexington St, Belmont, MA have?

The most common plan at 100 Lexington St, Belmont, MA is a 1-bedroom of 756 square feet, repeated 12 times, with a median estimate of $466,609. TopHap identifies 5 recurring plans in the building.

More homes on Lexington St

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More homes in Belmont 02478

Assigned schools

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