Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$576,073$495 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $309,000 on May 31, 2011

18 GUERNSEY ST

ROSLINDALE, MA 02131
Building report
2
Beds
1
Baths
1,163 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.
1,163 ft²
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$576K
$536K low$616K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$309,000 · May 31, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,932 (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.$512,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$512,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$584,250

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountySUFFOLK
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.2004
Lot (acres)The size of the land the home sits on, from county records.0.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Mozart Elementary SchoolB-
Elementary · Grades PK–5 · 0.5 mi
M
Washington Irving Middle School
Middle · Grades 6–8 · 0.9 mi
H
Urban Science Academy
High · Grades 9–12 · 1.7 mi

District: Boston School District

Neighborhood · ZIP 02131These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
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.29,422
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,044 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,779
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$134,833
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Owner Tools

Do you own this home?
Claim this home

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

18 Guernsey 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.

  • Worth less than 80% of homes in Roslindale 02131
  • Costs less per square foot than 68% of homes in Suffolk County
  • Smaller than 77% of homes in Roslindale 02131
  • Has a smaller lot than 88% of homes in Roslindale 02131

What homes are worth in Roslindale 02131

Each bar is how many homes fall in that price range. The marker is this home.

This home
$331K$1.2M

This home is worth more than 20% of homes in Roslindale 02131.

How it measures up in Roslindale 02131

The dot is this home. The mark in the middle is the typical home in Roslindale 02131.

Estimated value$576,073
CheaperTypical $707,709Pricier

Pricier than 20% of homes nearby

Price per ft²$495
CheaperTypical $508Pricier

Pricier than 44% of homes nearby

Living area1,163 ft²
SmallerTypical 1,657 ft²Bigger

Bigger than 23% of homes nearby

Lot size1,163 ft²
SmallerTypical 0.11 acBigger

Bigger than 12% of homes nearby

Year built1930
OlderTypical 1920Newer

Newer than 64% of homes nearby

How 18 Guernsey St ranks against every home in each area.
MeasureThis homeRoslindale 02131Suffolk County
Estimated valuepricier than$576,07320% of homes29% of homes
Price per ft²pricier than$49544% of homes32% of homes
Living areabigger than1,163 ft²23% of homes37% of homes
Lot sizebigger than1,163 ft²12% of homes30% of homes
Year builtnewer than193064% of homes62% of homes

About 18 Guernsey St

How much is 18 Guernsey St, Roslindale, MA worth?

The TopHap Estimate for 18 Guernsey St, Roslindale, MA is $576,073 as of Oct 21, 2026. The likely range is $535,982 to $616,164. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Guernsey St, Roslindale, MA last sell?

18 Guernsey St, Roslindale, MA last sold on May 31, 2011 for $309,000, according to the county's recorded deed.

How big is 18 Guernsey St, Roslindale, MA?

18 Guernsey St, Roslindale, MA has 2 bedrooms, 1 bathrooms, 1,163 square feet of living space and a 0.03-acre lot.

When was 18 Guernsey St, Roslindale, MA built?

18 Guernsey St, Roslindale, MA was built in 1930, making it 96 years old. The building has 2 stories.

What schools serve 18 Guernsey St, Roslindale, MA?

18 Guernsey St, Roslindale, MA is assigned to Mozart Elementary School (elementary), rated B-; Washington Irving Middle School (middle); Urban Science Academy (high). All sit in Boston School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Guernsey St, Roslindale, MA compare to other homes in Roslindale 02131?

Among the 7,665 homes in Roslindale 02131, it is worth more than 20% of them ($576,073 against a typical $707,709), its price per square foot is higher than 44% of them ($495 against a typical $508), it is bigger than 23% of them (1,163 ft² against a typical 1,657 ft²), its lot is bigger than 12% of them (1,163 ft² against a typical 0.11 ac) and it is newer than 64% of them (1930 against a typical 1920). Measured against all of Suffolk County, it is worth more than 29% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Guernsey St, Roslindale, MA?

The 2025 property tax bill for 18 Guernsey St, Roslindale, MA was $5,932. The county assessed it at $512,300.

More homes on Guernsey St

Closest homes

More homes in Roslindale 02131

Assigned schools

Explore the area

See this home in context

Open 18 Guernsey St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map