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CondominiumResidential
Last sold for $413,500 on Jul 29, 2009

9 GARDNER ST

ALLSTON, MA 02134
1,123 ft²
Lot SizeThe size of the land the home sits on, from county records.
2008
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 200813 units640–1,123 ft²
$8M
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.
$633K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$671
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+230.7%vs the Allston ZIP median sale $/ft² ($203)

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.
+4.4%per yeartypical hold 8.2 yrsfrom 10 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
2009201020132017202020222025
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
2009201020132017202020222025

24 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.
$350K$489K$629K$768K640 ft²737 ft²833 ft²930 ft²1,026 ft²1,123 ft²
1 bd2 bd
1 bed
2 units
2 bed
11 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 · 1,007 ft²
3 units
2 bd · 1.5 ba · 1,103 ft²
3 units
1 bd · 1 ba · 640 ft²
2 units
2 bd · 1 ba · 810 ft²
2 units
One-off layouts
3 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.

$350K–$350K
1 unit
$446K–$446K
1 unit
$491K–$491K
1 unit
$519K–$519K
1 unit
$593K–$593K
1 unit
$620K–$633K
2 units
$692K–$702K
3 units
$746K–$768K
3 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.54%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.8%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.10.9 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.67%
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.25%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$769,500
Median tax billThe middle annual property tax bill among the building's units.$6,962
Pre-foreclosure noticesUnits with an active pre-foreclosure or foreclosure notice on file.1

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

Unit 7Feb 14, 2025$775,000Unit 4Sep 9, 2022$400,000Unit 13Jun 30, 2022$637,500Unit 12Mar 18, 2020$760,000Unit 14Oct 12, 2017$750,000Unit 2Sep 29, 2017$720,000Unit 3Sep 27, 2013$450,000Unit 5Jul 31, 2013$410,000Unit 1May 28, 2013$325,000Unit 11Feb 21, 2013$385,000

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

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,825 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$675,700 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$675,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$548,625

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.03
HeatingThe type of heating system in the home.Hot Water
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

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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 · 0.3 mi
H
Boston Green AcademyD-
High · Grades 6–12 · 0.8 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.

9 Gardner St
2 bd · 2 ba · 1,123 ft²
$692K
9 Gardner St # 1
2 bd · 1 ba · 763 ft²
$519K
9 Gardner St # 2
2 bd · 1.5 ba · 1,103 ft²
$698K
9 Gardner St # 3
2 bd · 1 ba · 1,123 ft²
$754K
9 Gardner St # 4
2 bd · 1 ba · 1,007 ft²
$446K
9 Gardner St # 5
2 bd · 1 ba · 810 ft²
$620K
9 Gardner St # 6
1 bd · 1 ba · 640 ft²
$350K
9 Gardner St # 7
2 bd · 1.5 ba · 1,103 ft²
$768K
9 Gardner St # 8
2 bd · 1 ba · 1,007 ft²
$633K
9 Gardner St # 10
1 bd · 1 ba · 640 ft²
$491K
9 Gardner St # 11
2 bd · 1 ba · 810 ft²
$593K
9 Gardner St # 12
2 bd · 1.5 ba · 1,103 ft²
$692K
9 Gardner St # 13
2 bd · 1 ba · 1,007 ft²
$702K
9 Gardner St # 14
2 bd · 2 ba · 1,123 ft²
$746K

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

About 9 Gardner St

How many units are in 9 Gardner St, Allston, MA?

9 Gardner St, Allston, MA has 13 residential units across built in 2008, according to county assessor records.

What is a unit at 9 Gardner St, Allston, MA worth?

The median TopHap Estimate across the 13 units at 9 Gardner St, Allston, MA is $632,693. That works out to $671 per square foot. Units run from 640 to 1,123 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 9 Gardner St, Allston, MA expensive for Allston?

Units at 9 Gardner St, Allston, MA carry a median of $671 per square foot, 231% above the Allston median of $203 per square foot.

How often do units sell at 9 Gardner St, Allston, MA?

0 units at 9 Gardner St, Allston, MA sold in the last 12 months, out of 24 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 9 Gardner St, Allston, MA appreciated?

Across 10 repeat sales of the same unit, 9 Gardner St, Allston, MA returned a median 4.4% 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 8.2 years.

What floor plans does 9 Gardner St, Allston, MA have?

The most common plan at 9 Gardner St, Allston, MA is a 2-bedroom of 1,007 square feet, repeated 3 times, with a median estimate of $632,693. TopHap identifies 4 recurring plans in the building.

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Assigned schools

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