Exempt (Full Or Partial)Other / Unknown
21 COGSWELL PL
CAMBRIDGE, MA 02140
0
Baths
436 ft²
Lot SizeThe size of the land the home sits on, from county records.
Tax & Assessment
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$15,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$15,900
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Exempt (Full Or Partial)
CountyMiddlesex
HeatingThe type of heating system in the home.None
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.
EMH
Maria L. BaldwinA+
Elementary · Grades PK–5 · 0.4 mi
Rindge Avenue Upper SchoolA
Middle · Grades 6–8 · 0.5 mi
Cambridge Rindge and LatinB
High · Grades 9–12 · 1.0 mi
District: Cambridge School District
Neighborhood · ZIP 02140These 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.144
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69
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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.21,983
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18,668 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$139,100
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,802
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%
Owner Tools
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Claim this homeData 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
21 Cogswell Pl 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.
- Among the smallest lots in Peabody / Neighborhood Nine
How it measures up in Cambridge 02140
The dot is this home. The mark in the middle is the typical home in Cambridge 02140.
Lot size436 ft²
SmallerTypical 0.12 acBigger
Smaller than almost all homes nearby
| Measure | This home | Peabody / Neighborhood Nine | Cambridge 02140 | Middlesex County |
|---|---|---|---|---|
| Lot sizebigger than | 436 ft² | almost no homes | almost no homes | almost no homes |
More homes on Cogswell Pl
Closest homes
- 20 Mount Vernon St$1.7M51 ft · 4 bd · 3.5 ba · 1,944 ft² · Sold $1.5M · Nov 2018
- 21 Mount Vernon St # 2762 ft · 2 bd · 1 ba · 809 ft² · Sold $208K · Mar 1994
- 21 Mount Vernon St$1.1M62 ft · 3 bd · 3 ba · 1,291 ft² · Sold Oct 2012
- 21 Mount Vernon St$1.3M62 ft · 2 bd · 2.5 ba · 1,572 ft² · Sold $1.3M · Jun 2017
- 21 Mount Vernon St$1.6M62 ft · 3 bd · 2.5 ba · 2,158 ft² · Sold $743K · Apr 2013
- 18 Mount Vernon St$1.7M73 ft · 3 bd · 3.5 ba · 2,002 ft² · Sold $1M · Nov 2013
- 26 Mount Vernon St$2.2M104 ft · 4 bd · 2.5 ba · 3,591 ft² · Sold Dec 2012
- 31 Mount Vernon St$943K91 ft · 2 bd · 2 ba · 829 ft² · Sold $510K · Jan 2002
More homes in Cambridge 02140
- 15 Yerxa Rd4 bd · 2.5 ba · 2,902 ft² · Sold $1.9M · Oct 2026
- 1776 Massachusetts Ave$1.2M3 bd · 1.5 ba · 1,668 ft² · Sold $1.1M · Oct 2026
- 178 Richdale Ave6,279 ft² · Sold $5M · Oct 2026
- 2130 Massachusetts Ave$892K3 bd · 2 ba · 1,290 ft² · Sold $975K · Oct 2026
- 16 Prentiss St$3.5M4 bd · 4.5 ba · 2,672 ft² · Sold $3.7M · Oct 2026
- 66 Walden St$1.1M2 bd · 2.5 ba · 1,319 ft² · Sold $1.1M · Sep 2026
- 58 Cedar St$1.2M2 bd · 1.5 ba · 1,368 ft² · Sold $1.8M · Sep 2026
- 2103 Massachusetts Ave$584K1 bd · 1 ba · 942 ft² · Sold $221K · Sep 2026
- 55 Pemberton St$897K2 bd · 2 ba · 1,150 ft² · Sold $900K · Sep 2026
- 49 Clifton St3,576 ft² · Sold $2.5M · Sep 2026
- 179 Rindge Ave$843K2 bd · 1 ba · 920 ft² · Sold $845K · Sep 2026
- 2103 Massachusetts Ave$460K1 bd · 1 ba · 780 ft² · Sold $225K · Sep 2026
Assigned schools
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