Triplex (3 Units, Any Combination)Residential
Last sold for $3,100,000 on Jan 4, 2019
12 HARRIS ST
BROOKLINE, MA 02446
7
Beds
7
Baths
4,438 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
17
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
Valuation
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,100,000 · Jan 4, 2019
Tax & Assessment
Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39,495 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$3,856,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,427,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,429,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,750,100
Property Facts
Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
CountyNORFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1971
Lot (acres)The size of the land the home sits on, from county records.0.24
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.
EH
Pierce SchoolA+
Elementary · Grades KG–8 · 0.2 mi
Brookline High SchoolA+
High · Grades 9–12 · 0.5 mi
District: Brookline School District
Neighborhood · ZIP 02446These 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.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23,893 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,895
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,699
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.52%
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
12 Harris 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 96% of homes in Norfolk County
- Has a smaller lot than 67% of homes in Norfolk County
- Older than 90% of homes in Norfolk County
How it measures up in Brookline 02446
The dot is this home. The mark in the middle is the typical home in Brookline 02446.
Living area4,438 ft²
SmallerTypical 1,251 ft²Bigger
Bigger than 94% of homes nearby
Lot size0.24 ac
SmallerTypical 0.29 acBigger
Bigger than 45% of homes nearby
Year built1900
OlderTypical 1925Newer
Newer than 18% of homes nearby
| Measure | This home | Coolidge Corner | Brookline 02446 | Norfolk County |
|---|---|---|---|---|
| Living areabigger than | 4,438 ft² | 94% of homes | 94% of homes | 96% of homes |
| Lot sizebigger than | 0.24 ac | 45% of homes | 45% of homes | 33% of homes |
| Year builtnewer than | 1900 | 17% of homes | 18% of homes | 10% of homes |
About 12 Harris St
When did 12 Harris St, Brookline, MA last sell?
12 Harris St, Brookline, MA last sold on Jan 4, 2019 for $3,100,000, according to the county's recorded deed.
How big is 12 Harris St, Brookline, MA?
12 Harris St, Brookline, MA has 7 bedrooms, 7 bathrooms, 4,438 square feet of living space and a 0.24-acre lot.
When was 12 Harris St, Brookline, MA built?
12 Harris St, Brookline, MA was built in 1900, making it 126 years old. The building has 3 stories.
What schools serve 12 Harris St, Brookline, MA?
12 Harris St, Brookline, MA is assigned to Pierce School (elementary), rated A+; Brookline High School (high), rated A+. All sit in Brookline School District. Attendance boundaries change — confirm with the district before relying on an assignment.
How does 12 Harris St, Brookline, MA compare to other homes in Brookline 02446?
Among the 7,868 homes in Brookline 02446, it is bigger than 94% of them (4,438 ft² against a typical 1,251 ft²), its lot is bigger than 45% of them (0.24 ac against a typical 0.29 ac) and it is newer than 18% of them (1900 against a typical 1925). These shares are recounted nightly from the full county assessor record for each area, not from active listings.
What are the property taxes on 12 Harris St, Brookline, MA?
The 2026 property tax bill for 12 Harris St, Brookline, MA was $39,495. The county assessed it at $3,856,900.
More homes on Harris St
- 19 Harris St # 2$1.2M3 bd · 3 ba · 1,095 ft² · Sold $1.3M · Oct 2025
- 31 Harris St # 302$935K2 bd · 2 ba · 1,000 ft² · Sold $940K · Jun 2025
- 48 Harris St$1.8M3 bd · 3.5 ba · 2,248 ft² · Sold $1.3M · Jun 2016
- 22 Harris St$2.9M4 bd · 2.5 ba · 2,526 ft² · Sold $1.5M · Jun 2014
- 42 Harris St5 bd · 4 ba · 3,380 ft² · Sold May 2014
- 31 Harris St # 301$734K1 bd · 1 ba · 767 ft² · Sold $380K · Apr 2014
- 31 Harris St # 102$871K2 bd · 2 ba · 976 ft² · Sold $500K · Apr 2013
- 17 Harris St$3.1M5 bd · 2.5 ba · 3,402 ft² · Sold $1M · Nov 2011
- 23 Harris St$3.3M7 bd · 4.5 ba · 3,447 ft² · Sold $1.2M · Jul 2010
- 19 Harris St # 1$2.1M4 bd · 5 ba · 3,062 ft² · Sold $853K · Aug 2009
- 24 Harris St # 266 bd · 6 ba · 3,585 ft² · Sold $500K · Sep 2006
- 31 Harris St # 201$647K1 bd · 1 ba · 739 ft² · Sold $315K · Sep 2003
Closest homes
- 15 Auburn St92 ft · 4 bd · 3 ba · 3,052 ft² · Sold $597K · Jun 1999
- 16 Harris St94 ft · 6 bd · 3 ba · 3,764 ft² · Sold $63K · May 1978
- 17 Auburn St$2.7M114 ft · 6 bd · 2.5 ba · 3,183 ft² · Sold $2M · Jun 2021
- 17 Harris St$3.1M144 ft · 5 bd · 2.5 ba · 3,402 ft² · Sold $1M · Nov 2011
- 154 Harvard St$1.2M133 ft · 5 bd · 2 ba · 1,422 ft² · Sold $68K · Apr 1997
- 156 Harvard St$1.1M133 ft · 3 bd · 2 ba · 1,360 ft² · Sold $560K · Aug 2013
- 156 Harvard St$1.1M133 ft · 3 bd · 2 ba · 1,450 ft² · Sold $119K · Jun 1997
- 152 Harvard St$1.3M133 ft · 4 bd · 2 ba · 1,468 ft² · Sold Sep 2017
More homes in Brookline 02446
- 131 Carlton St$5.6M6 bd · 4.5 ba · 6,494 ft² · Sold $5.5M · Sep 2026
- 32 James St$891K3 bd · 1 ba · 1,120 ft² · Sold $889K · Sep 2026
- 69 Lancaster Ter0.24 ac · Sold $500K · Sep 2026
- 45 Longwood Ave$849K2 bd · 2 ba · 1,161 ft² · Sold $835K · Sep 2026
- 38 Fuller St$3.9M5 bd · 4.5 ba · 3,170 ft² · Sold $4.4M · Sep 2026
- 16 York Ter$2.8M4 bd · 6 ba · 3,050 ft² · Sold $2.8M · Sep 2026
- 1600 Beacon St$549K1 bd · 1 ba · 557 ft² · Sold $475K · Sep 2026
- 80 Vernon St$3.2M20 bd · 20 ba · 21,831 ft² · Sold $3.1M · Sep 2026
- 132 Sewall Ave$1.7M3 bd · 2 ba · 1,873 ft² · Sold $1.7M · Sep 2026
- 2 Mason Ter$3M6 bd · 3.5 ba · 5,748 ft² · Sold $2.5M · Sep 2026
- 1471 Beacon St$1.7M3 bd · 2 ba · 1,877 ft² · Sold $1.6M · Sep 2026
- 57 Harvard Ave$849K1 bd · 1 ba · 955 ft² · Sold $850K · Sep 2026
Assigned schools
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