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Duplex (2 Units, Any Combination)Residential

452 ISLINGTON ST

PORTSMOUTH, NH 03801
3
Beds
2
Baths
1,618 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,768 (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.$674,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$428,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$246,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.0.10
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

M
Portsmouth Middle SchoolB
Middle · Grades 6–8 · 0.5 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 0.9 mi
E
Little Harbour Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi

District: Portsmouth School District

Neighborhood · ZIP 03801These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.104
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.98

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.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.24,014
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.808 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,161
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,932
Average tempThe average temperature here across a full year.48°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.54%

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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

452 Islington 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.

  • Has a smaller lot than 92% of homes in Rockingham County
  • Older than 95% of homes in Rockingham County

How it measures up in Portsmouth 03801

The dot is this home. The mark in the middle is the typical home in Portsmouth 03801.

Living area1,618 ft²
SmallerTypical 1,526 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.1 ac
SmallerTypical 0.22 acBigger

Bigger than 16% of homes nearby

Year built1890
OlderTypical 1963Newer

Newer than 13% of homes nearby

How 452 Islington St ranks against every home in each area.
MeasureThis homeGoodwin ParkPortsmouth 03801Rockingham County
Living areabigger than1,618 ft²51% of homes55% of homes43% of homes
Lot sizebigger than0.1 ac49% of homes16% of homes8% of homes
Year builtnewer than189059% of homes13% of homes5% of homes

About 452 Islington St

When did 452 Islington St, Portsmouth, NH last sell?

452 Islington St, Portsmouth, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 452 Islington St, Portsmouth, NH?

452 Islington St, Portsmouth, NH has 3 bedrooms, 2 bathrooms, 1,618 square feet of living space and a 0.10-acre lot.

When was 452 Islington St, Portsmouth, NH built?

452 Islington St, Portsmouth, NH was built in 1890, making it 136 years old. The building has 2 stories.

What schools serve 452 Islington St, Portsmouth, NH?

452 Islington St, Portsmouth, NH is assigned to Portsmouth Middle School (middle), rated B; Portsmouth High School (high), rated A+; Little Harbour Elementary School (elementary), rated A. All sit in Portsmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 452 Islington St, Portsmouth, NH compare to other homes in Portsmouth 03801?

Among the 8,130 homes in Portsmouth 03801, it is bigger than 55% of them (1,618 ft² against a typical 1,526 ft²), its lot is bigger than 16% of them (0.1 ac against a typical 0.22 ac) and it is newer than 13% of them (1890 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 452 Islington St, Portsmouth, NH?

The 2025 property tax bill for 452 Islington St, Portsmouth, NH was $7,768. The county assessed it at $674,900.

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