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CondominiumResidential
$671,245$460 / 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 77How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

12 COMMONWEALTH AVE

SWAMPSCOTT, MA 01907
Building report
3
Beds
1
Baths
1,460 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.
3,838 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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$671K
$518K low$825K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,223 (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.$368,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$368,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$334,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$767,125

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.47 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.82%
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.1 percent flood zone

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
CountyESSEX
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.Steam
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(9)

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.

M
Swampscott Middle SchoolC+
Middle · Grades 5–8 · 0.5 mi
E
Swampscott Elementary SchoolC+
Elementary · Grades KG–4 · 0.5 mi
H
Swampscott High SchoolA
High · Grades 9–12 · 1.1 mi

District: Swampscott School District

Neighborhood · ZIP 01907These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.15,022
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,395 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$135,474
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$175,738
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

12 Commonwealth Ave 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 72% of homes in Swampscott 01907
  • Costs more per square foot than 68% of homes in Essex County
  • Smaller than 70% of homes in Swampscott 01907
  • Has a smaller lot than 93% of homes in Swampscott 01907

What homes are worth in Swampscott 01907

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

This home
$359K$2.7M

This home is worth more than 28% of homes in Swampscott 01907.

How it measures up in Swampscott 01907

The dot is this home. The mark in the middle is the typical home in Swampscott 01907.

Estimated value$671,245
CheaperTypical $845,839Pricier

Pricier than 28% of homes nearby

Price per ft²$460
CheaperTypical $480Pricier

Pricier than 43% of homes nearby

Living area1,460 ft²
SmallerTypical 1,837 ft²Bigger

Bigger than 30% of homes nearby

Lot size3,838 ft²
SmallerTypical 0.19 acBigger

Bigger than 7% of homes nearby

Year built1930
OlderTypical 1937Newer

Newer than 48% of homes nearby

How 12 Commonwealth Ave ranks against every home in each area.
MeasureThis homeSwampscott 01907Essex County
Estimated valuepricier than$671,24528% of homes47% of homes
Price per ft²pricier than$46043% of homes68% of homes
Living areabigger than1,460 ft²30% of homes32% of homes
Lot sizebigger than3,838 ft²7% of homes8% of homes
Year builtnewer than193048% of homes36% of homes

About 12 Commonwealth Ave

How much is 12 Commonwealth Ave, Swampscott, MA worth?

The TopHap Estimate for 12 Commonwealth Ave, Swampscott, MA is $671,245 as of Aug 30, 2026. The likely range is $517,788 to $824,702. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Commonwealth Ave, Swampscott, MA last sell?

12 Commonwealth Ave, Swampscott, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12 Commonwealth Ave, Swampscott, MA?

12 Commonwealth Ave, Swampscott, MA has 3 bedrooms, 1 bathrooms and 1,460 square feet of living space.

When was 12 Commonwealth Ave, Swampscott, MA built?

12 Commonwealth Ave, Swampscott, MA was built in 1930, making it 96 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 12 Commonwealth Ave, Swampscott, MA?

12 Commonwealth Ave, Swampscott, MA is assigned to Swampscott Middle School (middle), rated C+; Swampscott Elementary School (elementary), rated C+; Swampscott High School (high), rated A. All sit in Swampscott School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Commonwealth Ave, Swampscott, MA compare to other homes in Swampscott 01907?

Among the 5,167 homes in Swampscott 01907, it is worth more than 28% of them ($671,245 against a typical $845,839), its price per square foot is higher than 43% of them ($460 against a typical $480), it is bigger than 30% of them (1,460 ft² against a typical 1,837 ft²), its lot is bigger than 7% of them (3,838 ft² against a typical 0.19 ac) and it is newer than 48% of them (1930 against a typical 1937). Measured against all of Essex County, it is worth more than 47% 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 12 Commonwealth Ave, Swampscott, MA?

The 2025 property tax bill for 12 Commonwealth Ave, Swampscott, MA was $4,223. The county assessed it at $368,200.

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