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CondominiumResidential
$309,290$444 / 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 90How 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
Last sold for $315,000 on Jul 30, 2025

9 PROSPECT ST

PORTSMOUTH, NH 03801
Building report
1
Beds
1
Baths
696 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.
1890
Year BuiltThe year the home was originally built, according to county records.
3
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.

Valuation

$309K
$277K low$342K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Jul 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,062 (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.$266,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$266,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$295,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$269,325

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.Conventional
CountyROCKINGHAM
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(2)

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
New Franklin Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
M
Portsmouth Middle SchoolB
Middle · Grades 6–8 · 0.7 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 1.4 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

9 Prospect 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 least valuable homes in Christian Shore / Creek
  • Costs less per square foot than 85% of homes in Christian Shore / Creek
  • Smaller than 98% of homes in Christian Shore / Creek
  • Older than 96% of homes in Rockingham County

What homes are worth in Portsmouth 03801

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

This home
$276K$2.9M

This home is worth more than 3% of homes in Portsmouth 03801.

How it measures up in Portsmouth 03801

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

Estimated value$309,290
CheaperTypical $804,438Pricier

Pricier than 3% of homes nearby

Price per ft²$444
CheaperTypical $552Pricier

Pricier than 26% of homes nearby

Living area696 ft²
SmallerTypical 1,521 ft²Bigger

Bigger than 5% of homes nearby

Year built1890
OlderTypical 1962Newer

Newer than 14% of homes nearby

How 9 Prospect St ranks against every home in each area.
MeasureThis homeChristian Shore / CreekPortsmouth 03801Rockingham County
Estimated valuepricier than$309,290almost no homes3% of homes5% of homes
Price per ft²pricier than$44415% of homes26% of homes79% of homes
Living areabigger than696 ft²2% of homes5% of homes5% of homes
Year builtnewer than189030% of homes14% of homes4% of homes

About 9 Prospect St

How much is 9 Prospect St, Portsmouth, NH worth?

The TopHap Estimate for 9 Prospect St, Portsmouth, NH is $309,290 as of Aug 30, 2026. The likely range is $276,903 to $341,677. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Prospect St, Portsmouth, NH last sell?

9 Prospect St, Portsmouth, NH last sold on Jul 30, 2025 for $315,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9 Prospect St, Portsmouth, NH?

9 Prospect St, Portsmouth, NH has 1 bedrooms, 1 bathrooms and 696 square feet of living space.

When was 9 Prospect St, Portsmouth, NH built?

9 Prospect St, Portsmouth, NH was built in 1890, making it 136 years old. It is a conventional home. The building has 3 stories.

What schools serve 9 Prospect St, Portsmouth, NH?

9 Prospect 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 9 Prospect St, Portsmouth, NH compare to other homes in Portsmouth 03801?

Among the 8,130 homes in Portsmouth 03801, it is worth more than 3% of them ($309,290 against a typical $804,438), its price per square foot is higher than 26% of them ($444 against a typical $552), it is bigger than 5% of them (696 ft² against a typical 1,521 ft²) and it is newer than 14% of them (1890 against a typical 1962). Measured against all of Rockingham County, it is worth more than 5% 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 9 Prospect St, Portsmouth, NH?

The 2025 property tax bill for 9 Prospect St, Portsmouth, NH was $3,062. The county assessed it at $266,000.

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Assigned schools

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