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CondominiumResidential

51 John St

BROOKLINE, MA 02446
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 19834 floors16 units936–1,255 ft²
$16M
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.
$1M
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$899
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+1.0%vs the Brookline ZIP median sale $/ft² ($890)

Sales Performance

$949K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
+1990.3%
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
6.3%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+4.7%per yeartypical hold 8.8 yrsfrom 20 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
19871993199520012007201220212026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
19871993199520012007201220212026

36 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.
$830K$969K$1.1M$1.2M936 ft²1,000 ft²1,064 ft²1,127 ft²1,191 ft²1,255 ft²
1 bd2 bd
1 bed
1 unit
2 bed
15 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.

$830K–$875K
2 units
$929K–$929K
1 unit
$963K–$967K
3 units
$1M–$1M
5 units
$1.1M–$1.1M
2 units
$1.1M–$1.2M
2 units
$1.2M–$1.2M
1 unit

Value by Floor & LineAverage estimated price per square foot by floor range, using unit numbers to infer floors. Higher floors usually price higher — the gap shows how much the view is worth here.

Floor 1
$903/ft²
Floor 2
$896/ft²
Floor 3
$894/ft²
Floor 4
$933/ft²
Unit lines by $/ft²Condo units stacked vertically share a unit line — the last digits of the unit number (like 05 in 1205, 1305, 1405). Lines share a layout and exposure, so comparing estimated $/ft² by line shows which position in the building commands a premium.
Line ·03
$924/ft²
Line ·01
$905/ft²
Line ·04
$901/ft²
Line ·02
$896/ft²

Ownership & Financing

Owner-occupiedThe share of units where the owner lives in the unit, per county records. The rest are second homes or rentals.50%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.19%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.9.1 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.11%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$1,076,911
Median tax billThe middle annual property tax bill among the building's units.$8,866
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 201Feb 9, 2026$949,000Unit 302Sep 25, 2025$49,900Unit 302May 1, 2025$1,110,000Unit 103Apr 14, 2025$1,200,000Unit 202Jan 29, 2025$40,900Unit 203Dec 30, 2024$40,900Unit 204Dec 30, 2024$40,900Unit 104May 4, 2021$849,900Unit 401Mar 5, 2018$813,000Unit 103Jul 25, 2012$560,000

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

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
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.
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
CountyNORFOLK
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Elevator

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Edward Devotion SchoolA
Elementary · Grades KG–8 · 0.1 mi
H
Brookline High SchoolA-
High · Grades 9–12 · 0.9 mi

District: Brookline School District

Neighborhood · ZIP 02446These 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.144
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23,893 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,895
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,699
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.52%

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.

51 John St # 101
1 bd · 1.5 ba · 936 ft²
$830K
51 John St # 102
2 bd · 2 ba · 1,036 ft²
$875K
51 John St # 103
2 bd · 2 ba · 1,255 ft²
$1.2M
51 John St # 104
2 bd · 2 ba · 1,084 ft²
$963K
51 John St # 201
2 bd · 2 ba · 1,050 ft²
$965K
51 John St # 202
2 bd · 2 ba · 1,248 ft²
$1.1M
51 John St # 203
2 bd · 2 ba · 1,124 ft²
$1M
51 John St # 204
2 bd · 2 ba · 1,173 ft²
$1M
51 John St # 301
2 bd · 2 ba · 1,034 ft²
$929K
51 John St # 302
2 bd · 2 ba · 1,249 ft²
$1.1M
51 John St # 303
2 bd · 2 ba · 1,126 ft²
$1M
51 John St # 304
2 bd · 2 ba · 1,180 ft²
$1M
51 John St # 401
2 bd · 2 ba · 1,056 ft²
$967K
51 John St # 402
2 bd · 2 ba · 1,232 ft²
$1.1M
51 John St # 403
2 bd · 2 ba · 1,131 ft²
$1M
51 John St # 404
2 bd · 2 ba · 1,170 ft²
$1.2M

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

About 51 John St

How many units are in 51 John St, Brookline, MA?

51 John St, Brookline, MA has 16 residential units across 4 floors, built in 1983, according to county assessor records.

What is a unit at 51 John St, Brookline, MA worth?

The median TopHap Estimate across the 16 units at 51 John St, Brookline, MA is $1,013,008. That works out to $899 per square foot. Units run from 936 to 1,255 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 51 John St, Brookline, MA expensive for Brookline?

Units at 51 John St, Brookline, MA carry a median of $899 per square foot, 1% above the Brookline median of $890 per square foot.

How often do units sell at 51 John St, Brookline, MA?

1 units at 51 John St, Brookline, MA sold in the last 12 months, out of 36 recorded arms-length sales all time. That is a turnover rate of 6.3% of the building per year. The median sale over that period was $949K.

Have units at 51 John St, Brookline, MA appreciated?

Across 20 repeat sales of the same unit, 51 John St, Brookline, MA returned a median 4.7% 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 8.8 years.

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