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CondominiumResidential

18 Centre St

CAMBRIDGE, MA 02139
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
Built 19104 floors29 units448–587 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.
$567K
Median unit valueThe middle unit value in this building by our estimate: half the units are worth more, half less.
$1131
Median $/ft²The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.

+34.1%vs the Cambridge ZIP median sale $/ft² ($843)

Sales Performance

$630K
Median sale (12 mo)The middle sale price among this building's units that sold in the last 12 months, from recorded deeds.
—
1-yr changeHow the building's median sale price over the last 12 months compares with the 12 months before that.
1
Sales (12 mo)Units in this building that sold in the last 12 months, from recorded arms-length deeds.
3.4%
Turnover (12 mo)The share of units that changed hands in the last 12 months. Around 4–6% a year is typical; much higher can signal investor churn or a wave of exits.
This building's own appreciationThe building's own appreciation: for every unit that sold twice (held over a year), we compute its yearly price change between the two sales and take the middle value. This is the cleanest read on how this specific building performs, because it compares each unit to itself.
+3.0%per yeartypical hold 7.4 yrsfrom 22 same-unit resales
Median sale price (yearly, all time)Every recorded arms-length sale in the building since records begin, grouped by year: the bars count sales and the line tracks the median price paid.MedianSales
20072009201220152017201920222026
Sale price per ft² (yearly, all time)The middle price per square foot across the building's units, by our current estimates. Useful for comparing units of different sizes.$/ft²
20072009201220152017201920222026

51 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.
$445K$507K$569K$631K448 ft²476 ft²504 ft²531 ft²559 ft²587 ft²
Studio1 bd
Studio
6 units
1 bed
23 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.
1 bd · 1 ba · 452 ft²
5 units
1 bd · 1 ba · 458 ft²
4 units
Studio · 1 ba · 495 ft²
3 units
1 bd · 1 ba · 582 ft²
3 units
1 bd · 1 ba · 587 ft²
3 units
Studio · 1 ba · 498 ft²
2 units
1 bd · 1 ba · 498 ft²
2 units
One-off layouts
7 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.

$445K–$445K
1 unit
$471K–$480K
2 units
$511K–$511K
2 units
$517K–$537K
7 units
$555K–$557K
2 units
$567K–$583K
7 units
$599K–$604K
3 units
$609K–$631K
5 units

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
$1142/ft²
Floor 2
$1133/ft²
Floor 3
$1126/ft²
Floor 4
$1131/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
$1204/ft²
Line ·06
$1148/ft²
Line ·02
$1147/ft²
Line ·05
$1140/ft²
Line ·01
$1089/ft²
Line ·04
$1071/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.72%
Company-ownedUnits owned through an LLC, trust, or other company — a rough proxy for investor ownership.21%
Typical owner tenureThe middle number of years since each unit last changed hands — how long the current owners have been in place.12.1 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.20%
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.41%
Median owner equityThe middle dollar amount of equity (value minus loans) unit owners hold in this building.$592,731
Median tax billThe middle annual property tax bill among the building's units.$3,437
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 304Sep 14, 2026$630,000Unit 106Aug 16, 2023$488,000Unit G1May 16, 2023$459,000Unit 104Apr 15, 2022$525,000Unit G5Dec 13, 2021$415,000Unit G3Nov 2, 2021$400,000Unit 201Apr 30, 2021$618,000Unit 301Mar 19, 2021$610,000Unit 205Dec 15, 2020$515,000Unit 102Jun 3, 2019$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.

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.Steam
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.

M
Putnam Avenue Upper SchoolB+
Middle · Grades 6–8 · 0.2 mi
E
Martin Luther King Jr.A+
Elementary · Grades PK–5 · 0.3 mi
H
Cambridge Rindge and LatinB
High · Grades 9–12 · 0.3 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.

18 Centre St # G1
1 bd · 1 ba · 453 ft²
$471K
18 Centre St # G2
1 ba · 479 ft²
$480K
18 Centre St # G3
1 bd · 1 ba · 448 ft²
$445K
18 Centre St # G4
1 bd · 1 ba · 490 ft²
$511K
18 Centre St # G5
1 bd · 1 ba · 452 ft²
$511K
18 Centre St # 101
1 bd · 1 ba · 525 ft²
$609K
18 Centre St # 102
1 ba · 495 ft²
$567K
18 Centre St # 103
1 bd · 1 ba · 452 ft²
$528K
18 Centre St # 104
1 bd · 1 ba · 527 ft²
$599K
18 Centre St # 105
1 bd · 1 ba · 498 ft²
$555K
18 Centre St # 106
1 bd · 1 ba · 458 ft²
$517K
18 Centre St # 201
1 bd · 1 ba · 582 ft²
$631K
18 Centre St # 202
1 ba · 495 ft²
$578K
18 Centre St # 203
1 bd · 1 ba · 452 ft²
$537K
18 Centre St # 204
1 bd · 1 ba · 587 ft²
$613K
18 Centre St # 205
1 bd · 1 ba · 498 ft²
$576K
18 Centre St # 206
1 bd · 1 ba · 458 ft²
$531K
18 Centre St # 301
1 bd · 1 ba · 582 ft²
$604K
18 Centre St # 302
1 bd · 1 ba · 523 ft²
$576K
18 Centre St # 303
1 bd · 1 ba · 452 ft²
$577K
18 Centre St # 304
1 bd · 1 ba · 587 ft²
$630K
18 Centre St # 305
1 ba · 498 ft²
$557K
18 Centre St # 306
1 bd · 1 ba · 458 ft²
$527K
18 Centre St # 401
1 bd · 1 ba · 582 ft²
$624K
18 Centre St # 402
1 ba · 495 ft²
$581K
18 Centre St # 403
1 bd · 1 ba · 452 ft²
$535K
18 Centre St # 404
1 bd · 1 ba · 587 ft²
$604K
18 Centre St # 405
1 ba · 498 ft²
$583K
18 Centre St # 406
1 bd · 1 ba · 458 ft²
$528K

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

About 18 Centre St

How many units are in 18 Centre St, Cambridge, MA?

18 Centre St, Cambridge, MA has 29 residential units across 4 floors, built in 1910, according to county assessor records.

What is a unit at 18 Centre St, Cambridge, MA worth?

The median TopHap Estimate across the 29 units at 18 Centre St, Cambridge, MA is $566,708. That works out to $1131 per square foot. Units run from 448 to 587 square feet. Estimates are modelled from recorded sales and assessments, not appraisals.

Is 18 Centre St, Cambridge, MA expensive for Cambridge?

Units at 18 Centre St, Cambridge, MA carry a median of $1131 per square foot, 34% above the Cambridge median of $843 per square foot.

How often do units sell at 18 Centre St, Cambridge, MA?

1 units at 18 Centre St, Cambridge, MA sold in the last 12 months, out of 51 recorded arms-length sales all time. That is a turnover rate of 3.4% of the building per year. The median sale over that period was $630K.

Have units at 18 Centre St, Cambridge, MA appreciated?

Across 22 repeat sales of the same unit, 18 Centre St, Cambridge, MA returned a median 3.0% 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 7.4 years.

What floor plans does 18 Centre St, Cambridge, MA have?

The most common plan at 18 Centre St, Cambridge, MA is a 1-bedroom of 452 square feet, repeated 5 times, with a median estimate of $535,297. TopHap identifies 7 recurring plans in the building.

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