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Duplex (2 Units, Any Combination)Residential
Last sold for $230,000 on Dec 6, 2013

86 THORNTON ST

PORTSMOUTH, NH 03801
4
Beds
2.5
Baths
912 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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.$230,000 · Dec 6, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,855 (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.$595,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$301,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$293,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
50
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
20
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Electric
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
New Franklin Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Portsmouth Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 1.3 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

86 Thornton 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.

  • Smaller than 95% of homes in Christian Shore / Creek
  • Has a smaller lot than 94% of homes in Rockingham County
  • Newer than 72% of homes in Christian Shore / Creek

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 area912 ft²
SmallerTypical 1,532 ft²Bigger

Bigger than 15% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.22 acBigger

Bigger than 12% of homes nearby

Year built1969
OlderTypical 1962Newer

Newer than 53% of homes nearby

How 86 Thornton St ranks against every home in each area.
MeasureThis homeChristian Shore / CreekPortsmouth 03801Rockingham County
Living areabigger than912 ft²5% of homes15% of homes10% of homes
Lot sizebigger than3,920 ft²16% of homes12% of homes6% of homes
Year builtnewer than196972% of homes53% of homes29% of homes

About 86 Thornton St

When did 86 Thornton St, Portsmouth, NH last sell?

86 Thornton St, Portsmouth, NH last sold on Dec 6, 2013 for $230,000, according to the county's recorded deed.

How big is 86 Thornton St, Portsmouth, NH?

86 Thornton St, Portsmouth, NH has 4 bedrooms, 2.5 bathrooms, 912 square feet of living space and a 0.09-acre lot.

When was 86 Thornton St, Portsmouth, NH built?

86 Thornton St, Portsmouth, NH was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 86 Thornton St, Portsmouth, NH?

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

How does 86 Thornton St, Portsmouth, NH compare to other homes in Portsmouth 03801?

Among the 8,130 homes in Portsmouth 03801, it is bigger than 15% of them (912 ft² against a typical 1,532 ft²), its lot is bigger than 12% of them (3,920 ft² against a typical 0.22 ac) and it is newer than 53% of them (1969 against a typical 1962). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 86 Thornton St, Portsmouth, NH?

The 2025 property tax bill for 86 Thornton St, Portsmouth, NH was $6,855. The county assessed it at $595,600.

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