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CondominiumResidential

237 River St

CAMBRIDGE, MA 02139
0.59 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.
Built 199924 floors20 units430–2,226 ft²
$15M
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.
$1.2M
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$977
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+1.7%vs the Cambridge ZIP median sale $/ft² ($961)

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.
+4.6%per yeartypical hold 7.8 yrsfrom 13 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
20042006200920112012201820222024
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
20042006200920112012201820222024

32 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.
$692K$1.2M$1.7M$2.2M585 ft²913 ft²1,241 ft²1,570 ft²1,898 ft²2,226 ft²
1 bd2 bd3 bd4+ bd
1 bed
4 units
2 bed
3 units
3 bed
11 units
4 bed
2 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.

$692K–$738K
2 units
$903K–$1M
3 units
$1.1M–$1.1M
1 unit
$1.3M–$1.4M
4 units
$1.5M–$1.5M
1 unit
$2.2M–$2.2M
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 2
$927/ft²
Floor 24
$1070/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.5%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.10%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.14.4 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.33%
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.34%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$1,005,529
Median tax billThe middle annual property tax bill among the building's units.$6,366
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 249Feb 8, 2024$1,460,000Unit 251Aug 1, 2023$1,332,000Unit 247-3Oct 31, 2022$1,300,000Unit 241-6Jun 3, 2022$960,000Unit 253Apr 14, 2022$1,565,000Unit 255Feb 7, 2022$2,347,500Unit 241-5Apr 2, 2021$475,000Unit 241-10Aug 3, 2018$735,000Unit 249Jun 14, 2017$1,110,000Unit 255Apr 7, 2017$2,200,000

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.51
74
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.
59
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.71%
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
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.

E
Amigos SchoolA
Elementary · Grades PK–8 · 0.2 mi
H
Cambridge Rindge and LatinA-
High · Grades 9–12 · 0.8 mi

District: Cambridge School District

Neighborhood · ZIP 02139These 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.136
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.39,263
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.22,546 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,313
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$158,134
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.

237 River St # 249
3 bd · 2 ba · 1,679 ft²
$1.5M
237 River St # 251
3 bd · 2.5 ba · 1,530 ft²
$1.4M
237 River St # 253
3 bd · 2 ba · 1,417 ft²
237 River St # 253
2 bd · 1.5 ba · 1,531 ft²
$1.4M
237 River St # 255
4 bd · 2.5 ba · 2,226 ft²
$2.2M
237 River St # 241-1
3 bd · 1.5 ba · 772 ft²
$1.1M
237 River St # 241-2
1 bd · 1 ba · 896 ft²
$903K
237 River St # 241-3
4 bd · 2.5 ba · 969 ft²
$692K
237 River St # 241-4
1 bd · 1.5 ba · 820 ft²
237 River St # 241-5
1 bd · 1 ba · 465 ft²
237 River St # 241-6
2 bd · 2.5 ba · 825 ft²
$998K
237 River St # 241-7
3 bd · 2.5 ba · 975 ft²
$1M
237 River St # 241-8
1 bd · 1 ba · 430 ft²
237 River St # 241-9
2 bd · 1 ba · 585 ft²
$738K
237 River St # 245-1
3 bd · 2 ba · 1,470 ft²
237 River St # 245-2
3 bd · 2.5 ba · 1,399 ft²
$1.4M
237 River St # 247-1
3 bd · 2.5 ba · 1,472 ft²
237 River St # 247-2
3 bd · 2.5 ba · 1,504 ft²
237 River St # 247-3
3 bd · 2.5 ba · 1,323 ft²
$1.3M
237 River St # 241-10
3 bd · 2 ba · 970 ft²

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

About 237 River St

How many units are in 237 River St, Cambridge, MA?

237 River St, Cambridge, MA has 20 residential units across 24 floors, built in 1999, according to county assessor records.

What is a unit at 237 River St, Cambridge, MA worth?

The median TopHap Estimate across the 20 units at 237 River St, Cambridge, MA is $1,178,073. That works out to $977 per square foot. Units run from 430 to 2,226 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 237 River St, Cambridge, MA expensive for Cambridge?

Units at 237 River St, Cambridge, MA carry a median of $977 per square foot, 2% above the Cambridge median of $961 per square foot.

How often do units sell at 237 River St, Cambridge, MA?

0 units at 237 River St, Cambridge, MA sold in the last 12 months, out of 32 recorded arms-length sales all time. That is a turnover rate of 0.0% of the building per year.

Have units at 237 River St, Cambridge, MA appreciated?

Across 13 repeat sales of the same unit, 237 River St, Cambridge, MA returned a median 4.6% 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 7.8 years.

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