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CondominiumResidential

259 SIDNEY ST

CAMBRIDGE, MA 02139
6
Beds
4 / 2
Baths
2,423 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
4,240 ft²
Lot SizeThe size of the land the home sits on, from county records.
1893
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,431 (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.$1,485,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,485,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,878,372

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.37
6
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.
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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

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

E
MorseA-
Elementary · Grades PK–5 · 0.3 mi
M
Amigos SchoolA
Middle · Grades PK–8 · 0.5 mi
H
Cambridge Rindge and LatinB
High · Grades 9–12 · 1.3 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%

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

How this home compares

259 Sidney St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Bigger than 82% of homes in Cambridgeport
  • Has a smaller lot than 90% of homes in Middlesex County
  • Older than 93% of homes in Middlesex County

How it measures up in Cambridge 02139

The dot is this home. The mark in the middle is the typical home in Cambridge 02139.

Living area2,423 ft²
SmallerTypical 1,203 ft²Bigger

Bigger than 82% of homes nearby

Lot size4,240 ft²
SmallerTypical 0.11 acBigger

Bigger than 42% of homes nearby

Year built1893
OlderTypical 1903Newer

Newer than 28% of homes nearby

How 259 Sidney St ranks against every home in each area.
MeasureThis homeCambridgeportCambridge 02139Middlesex County
Living areabigger than2,423 ft²82% of homes82% of homes72% of homes
Lot sizebigger than4,240 ft²45% of homes42% of homes10% of homes
Year builtnewer than189332% of homes28% of homes7% of homes

About 259 Sidney St

When did 259 Sidney St, Cambridge, MA last sell?

259 Sidney St, Cambridge, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 259 Sidney St, Cambridge, MA?

259 Sidney St, Cambridge, MA has 6 bedrooms, 4 bathrooms and 2,423 square feet of living space.

When was 259 Sidney St, Cambridge, MA built?

259 Sidney St, Cambridge, MA was built in 1893, making it 133 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 259 Sidney St, Cambridge, MA?

259 Sidney St, Cambridge, MA is assigned to Morse (elementary), rated A-; Amigos School (middle), rated A; Cambridge Rindge and Latin (high), rated B. All sit in Cambridge School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 259 Sidney St, Cambridge, MA compare to other homes in Cambridge 02139?

Among the 7,274 homes in Cambridge 02139, it is bigger than 82% of them (2,423 ft² against a typical 1,203 ft²), its lot is bigger than 42% of them (4,240 ft² against a typical 0.11 ac) and it is newer than 28% of them (1893 against a typical 1903). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 259 Sidney St, Cambridge, MA?

The 2025 property tax bill for 259 Sidney St, Cambridge, MA was $9,431. The county assessed it at $1,485,200.

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