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Single Family ResidenceResidential
$2,250,813$582 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $1,375,000 on Jul 9, 2019

19 MOSTYN ST

SWAMPSCOTT, MA 01907
4
Beds
3.5
Baths
3,870 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.3M
$2.1M low$2.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,375,000 · Jul 9, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,356 (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.$2,029,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$641,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,387,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,907,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,205,693

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.51
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(19)

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
Swampscott Elementary SchoolB
Elementary · Grades KG–4 · 0.8 mi
M
Swampscott Middle SchoolB
Middle · Grades 5–8 · 0.9 mi
H
Swampscott High SchoolB+
High · Grades 9–12 · 1.7 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

19 Mostyn 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.

  • Among the most valuable homes in Essex County
  • Costs more per square foot than 89% of homes in Essex County
  • Bigger than 94% of homes in Swampscott 01907
  • Has a bigger lot than 80% of homes in Swampscott 01907
  • Older than 97% 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
$355K$2.7M

This home is worth more than 97% 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$2,250,813
CheaperTypical $822,393Pricier

Pricier than 97% of homes nearby

Price per ft²$582
CheaperTypical $465Pricier

Pricier than 86% of homes nearby

Living area3,870 ft²
SmallerTypical 1,837 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.51 ac
SmallerTypical 0.19 acBigger

Bigger than 80% of homes nearby

Year built1850
OlderTypical 1936Newer

Newer than 3% of homes nearby

How 19 Mostyn St ranks against every home in each area.
MeasureThis homeSwampscott 01907Essex County
Estimated valuepricier than$2,250,81397% of homesalmost all homes
Price per ft²pricier than$58286% of homes89% of homes
Living areabigger than3,870 ft²94% of homes94% of homes
Lot sizebigger than0.51 ac80% of homes71% of homes
Year builtnewer than18503% of homes4% of homes

About 19 Mostyn St

How much is 19 Mostyn St, Swampscott, MA worth?

The TopHap Estimate for 19 Mostyn St, Swampscott, MA is $2,250,813 as of Sep 24, 2026. The likely range is $2,076,986 to $2,424,640. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 19 Mostyn St, Swampscott, MA last sell?

19 Mostyn St, Swampscott, MA last sold on Jul 9, 2019 for $1,375,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 19 Mostyn St, Swampscott, MA?

19 Mostyn St, Swampscott, MA has 4 bedrooms, 3.5 bathrooms, 3,870 square feet of living space and a 0.51-acre lot.

When was 19 Mostyn St, Swampscott, MA built?

19 Mostyn St, Swampscott, MA was built in 1850, making it 176 years old. It is a colonial home. The building has 3 stories.

What schools serve 19 Mostyn St, Swampscott, MA?

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

How does 19 Mostyn St, Swampscott, MA compare to other homes in Swampscott 01907?

Among the 5,167 homes in Swampscott 01907, it is worth more than 97% of them ($2,250,813 against a typical $822,393), its price per square foot is higher than 86% of them ($582 against a typical $465), it is bigger than 94% of them (3,870 ft² against a typical 1,837 ft²), its lot is bigger than 80% of them (0.51 ac against a typical 0.19 ac) and it is newer than 3% of them (1850 against a typical 1936). Measured against all of Essex County, it is worth more than almost all 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 19 Mostyn St, Swampscott, MA?

The 2026 property tax bill for 19 Mostyn St, Swampscott, MA was $24,356. The county assessed it at $2,029,700.

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