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CondominiumResidential

323 Boylston St

BROOKLINE, MA 02445
0.95 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 20056 floors29 units1,099–1,703 ft²
$30M
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.
$1.1M
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$798
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+6.5%vs the Brookline ZIP median sale $/ft² ($749)

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.
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.
+2.8%per yeartypical hold 6.8 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
20062008201020122017201920212024
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
20062008201020122017201920212024

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.
$591K$904K$1.2M$1.5M1,099 ft²1,220 ft²1,341 ft²1,461 ft²1,582 ft²1,703 ft²
1 bd2 bd3 bd
1 bed
1 unit
2 bed
27 units
3 bed
1 unit
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 · 2 ba · 1,470 ft²
3 units
2 bd · 2 ba · 1,280 ft²
2 units
2 bd · 2 ba · 1,384 ft²
2 units
2 bd · 2 ba · 1,522 ft²
2 units
2 bd · 2 ba · 1,553 ft²
2 units
One-off layouts
18 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.

$591K–$591K
1 unit
$793K–$806K
2 units
$984K–$1.1M
7 units
$1.1M–$1.2M
9 units
$1.2M–$1.2M
6 units
$1.4M–$1.4M
1 unit
$1.5M–$1.5M
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.

Floors 1–2
$703/ft²
Floor 3
$795/ft²
Floor 4
$813/ft²
Floor 5
$852/ft²
Floor 6
$849/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 ·04
$861/ft²
Line ·01
$792/ft²
Line ·05
$784/ft²
Line ·06
$773/ft²
Line ·02
$771/ft²
Line ·03
$733/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.28%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.3%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.11.7 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.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.44%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$1,061,500
Median tax billThe middle annual property tax bill among the building's units.$10,099
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 502Dec 2, 2024$1,500,000Unit 601Sep 30, 2022$1,190,000Unit 501Sep 1, 2022$1,275,000Unit 102Apr 29, 2022$725,000Unit 203Feb 4, 2022$933,000Unit 103Oct 7, 2021$345,776Unit 402Jun 10, 2021$965,000Unit 501Feb 22, 2021$1,100,000Unit 602Aug 20, 2020$985,000Unit 201Mar 27, 2020$1,129,000

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.44
39
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 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
CountyNORFOLK
ConstructionThe main material the home's frame and walls are built from.Steel Frame
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

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

H
Brookline High SchoolA-
High · Grades 9–12 · 0.2 mi
E
William H. Lincoln SchoolA
Elementary · Grades KG–8 · 0.3 mi

District: Brookline School District

Neighborhood · ZIP 02445These 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.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
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.24,131
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,478 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,389
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$198,390
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.

323 Boylston St # 101
2 bd · 2 ba · 1,600 ft²
$1.2M
323 Boylston St # 102
1 bd · 1 ba · 1,099 ft²
$806K
323 Boylston St # 103
3 bd · 2 ba · 1,634 ft²
$793K
323 Boylston St # 201
2 bd · 2 ba · 1,522 ft²
323 Boylston St # 202
2 bd · 1 ba · 1,221 ft²
$591K
323 Boylston St # 203
2 bd · 2 ba · 1,470 ft²
$1.1M
323 Boylston St # 204
2 bd · 1 ba · 1,247 ft²
$1.1M
323 Boylston St # 205
2 bd · 2 ba · 1,385 ft²
$1.1M
323 Boylston St # 206
2 bd · 2 ba · 1,588 ft²
$1.2M
323 Boylston St # 301
2 bd · 2 ba · 1,522 ft²
$1.2M
323 Boylston St # 302
2 bd · 1 ba · 1,223 ft²
$1.1M
323 Boylston St # 303
2 bd · 2 ba · 1,470 ft²
$1.1M
323 Boylston St # 304
2 bd · 2 ba · 1,280 ft²
$1.1M
323 Boylston St # 305
2 bd · 2 ba · 1,384 ft²
$1.1M
323 Boylston St # 306
2 bd · 2 ba · 1,553 ft²
$1.2M
323 Boylston St # 401
2 bd · 2 ba · 1,442 ft²
$1.1M
323 Boylston St # 402
2 bd · 2 ba · 1,304 ft²
$1M
323 Boylston St # 403
2 bd · 2 ba · 1,470 ft²
$1.1M
323 Boylston St # 404
2 bd · 2 ba · 1,280 ft²
$1.2M
323 Boylston St # 405
2 bd · 2 ba · 1,384 ft²
$1.1M
323 Boylston St # 406
2 bd · 2 ba · 1,553 ft²
$1.2M
323 Boylston St # 501
2 bd · 2 ba · 1,643 ft²
$1.4M
323 Boylston St # 502
2 bd · 2 ba · 1,703 ft²
$1.5M
323 Boylston St # 503
2 bd · 2 ba · 1,488 ft²
323 Boylston St # 504
2 bd · 2 ba · 1,198 ft²
$984K
323 Boylston St # 601
2 bd · 2 ba · 1,498 ft²
$1.2M
323 Boylston St # 602
2 bd · 1.5 ba · 1,237 ft²
$1.1M
323 Boylston St # 603
2 bd · 2 ba · 1,413 ft²
$1.2M
323 Boylston St # 604
2 bd · 2 ba · 1,197 ft²
$1M

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

About 323 Boylston St

How many units are in 323 Boylston St, Brookline, MA?

323 Boylston St, Brookline, MA has 29 residential units across 6 floors, built in 2005, according to county assessor records.

What is a unit at 323 Boylston St, Brookline, MA worth?

The median TopHap Estimate across the 29 units at 323 Boylston St, Brookline, MA is $1,125,395. That works out to $798 per square foot. Units run from 1,099 to 1,703 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 323 Boylston St, Brookline, MA expensive for Brookline?

Units at 323 Boylston St, Brookline, MA carry a median of $798 per square foot, 7% above the Brookline median of $749 per square foot.

How often do units sell at 323 Boylston St, Brookline, MA?

0 units at 323 Boylston St, Brookline, MA sold in the last 12 months, out of 59 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 323 Boylston St, Brookline, MA appreciated?

Across 28 repeat sales of the same unit, 323 Boylston St, Brookline, MA returned a median 2.8% 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 6.8 years.

What floor plans does 323 Boylston St, Brookline, MA have?

The most common plan at 323 Boylston St, Brookline, MA is a 2-bedroom of 1,470 square feet, repeated 3 times, with a median estimate of $1,141,468. TopHap identifies 5 recurring plans in the building.

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