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CondominiumResidential

40 Chester St

ALLSTON, MA 02134
755 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 192013 units645–755 ft²
$6.2M
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.
$475K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$647
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+11.5%vs the Allston ZIP median sale $/ft² ($580)

Sales Performance

—
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.
0
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
0.0%
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.
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
19911993200720082025
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
19911993200720082025

5 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.
$396K$436K$477K$517K645 ft²667 ft²689 ft²711 ft²733 ft²755 ft²
1 bd2 bd
1 bed
3 units
2 bed
10 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.
2 bd · 1 ba · 735 ft²
10 units
1 bd · 1 ba · 645 ft²
2 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.

$396K–$396K
1 unit
$451K–$451K
1 unit
$459K–$462K
3 units
$473K–$484K
3 units
$492K–$495K
4 units
$517K–$517K
1 unit

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.31%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.46%
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.0%
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.17%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$472,577
Median tax billThe middle annual property tax bill among the building's units.$4,539
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 BApr 28, 2025$480,000Unit 6Nov 24, 2008$173,000Unit BJul 2, 2007$212,000Unit 12Sep 7, 1993$40,000Unit 12Jul 22, 1991$131,000

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.25 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
CountySUFFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1980
Lot (acres)The size of the land the home sits on, from county records.0.02
HeatingThe type of heating system in the home.Hot Water
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
Jackson Mann K-8 School
Elementary · Grades PK–8 · 0.5 mi
H
Boston Green AcademyD-
High · Grades 6–12 · 0.9 mi

District: Boston School District

Neighborhood · ZIP 02134These 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.115
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.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.23,966
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.17,004 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,041
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,297
Average tempThe average temperature here across a full year.50°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.

40 Chester St # B
1 bd · 1 ba · 755 ft²
$484K
40 Chester St Apt 1
1 bd · 1 ba · 645 ft²
$396K
40 Chester St # 2
2 bd · 1 ba · 735 ft²
$451K
40 Chester St Apt 3
2 bd · 1 ba · 735 ft²
$473K
40 Chester St
1 bd · 1 ba · 645 ft²
$460K
40 Chester St Apt 5
2 bd · 1 ba · 735 ft²
$475K
40 Chester St # 6
2 bd · 1 ba · 735 ft²
$459K
40 Chester St Apt 7
2 bd · 1 ba · 735 ft²
$517K
40 Chester St # 8
2 bd · 1 ba · 735 ft²
$495K
40 Chester St # 9
2 bd · 1 ba · 735 ft²
$492K
40 Chester St # 10
2 bd · 1 ba · 735 ft²
$493K
40 Chester St # 11
2 bd · 1 ba · 735 ft²
$462K
40 Chester St # 12
2 bd · 1 ba · 735 ft²
$494K

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

About 40 Chester St

How many units are in 40 Chester St, Allston, MA?

40 Chester St, Allston, MA has 13 residential units across built in 1920, according to county assessor records.

What is a unit at 40 Chester St, Allston, MA worth?

The median TopHap Estimate across the 13 units at 40 Chester St, Allston, MA is $475,229. That works out to $647 per square foot. Units run from 645 to 755 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 40 Chester St, Allston, MA expensive for Allston?

Units at 40 Chester St, Allston, MA carry a median of $647 per square foot, 11% above the Allston median of $580 per square foot.

How often do units sell at 40 Chester St, Allston, MA?

0 units at 40 Chester St, Allston, MA sold in the last 12 months, out of 5 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

What floor plans does 40 Chester St, Allston, MA have?

The most common plan at 40 Chester St, Allston, MA is a 2-bedroom of 735 square feet, repeated 10 times, with a median estimate of $483,521. TopHap identifies 2 recurring plans in the building.

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Assigned schools

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