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CondominiumResidential
$489,396$294 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $256,000 on Oct 28, 2011

317 PORTSMOUTH AVE

STRATHAM, NH 03885
Building report
2
Beds
1.5
Baths
1,664 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.
7.03 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
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

$489K
$467K low$512K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$256,000 · Oct 28, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,379 (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.$471,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$471,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$435,765

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
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.7.03
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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.Garage, Attached
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(4)

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
Stratham Memorial SchoolA
Elementary · Grades PK–5 · 0.7 mi
M
Cooperative Middle SchoolB+
Middle · Grades 6–8 · 4.3 mi
H
Exeter High SchoolA-
High · Grades 9–12 · 6.2 mi

District: Exeter Regional Cooperative School District

Neighborhood · ZIP 03885These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.102

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
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.7,920
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.506 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,690
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,144
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

317 Portsmouth 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 82% of homes in Stratham 03885
  • Costs less per square foot than 73% of homes in Rockingham County
  • Smaller than 77% of homes in Stratham 03885
  • Has a bigger lot than 96% of homes in Stratham 03885
  • Newer than 87% of homes in Stratham 03885

What homes are worth in Stratham 03885

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

This home
$271K$1.4M

This home is worth more than 18% of homes in Stratham 03885.

How it measures up in Stratham 03885

The dot is this home. The mark in the middle is the typical home in Stratham 03885.

Estimated value$489,396
CheaperTypical $748,875Pricier

Pricier than 18% of homes nearby

Price per ft²$294
CheaperTypical $283Pricier

Pricier than 59% of homes nearby

Living area1,664 ft²
SmallerTypical 2,675 ft²Bigger

Bigger than 23% of homes nearby

Lot size7.03 ac
SmallerTypical 1.14 acBigger

Bigger than 96% of homes nearby

Year built2005
OlderTypical 1988Newer

Newer than 87% of homes nearby

How 317 Portsmouth Ave ranks against every home in each area.
MeasureThis homeStratham 03885Rockingham County
Estimated valuepricier than$489,39618% of homes22% of homes
Price per ft²pricier than$29459% of homes27% of homes
Living areabigger than1,664 ft²23% of homes46% of homes
Lot sizebigger than7.03 ac96% of homes96% of homes
Year builtnewer than200587% of homes84% of homes

About 317 Portsmouth Ave

How much is 317 Portsmouth Ave, Stratham, NH worth?

The TopHap Estimate for 317 Portsmouth Ave, Stratham, NH is $489,396 as of Oct 21, 2026. The likely range is $467,163 to $511,629. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 317 Portsmouth Ave, Stratham, NH last sell?

317 Portsmouth Ave, Stratham, NH last sold on Oct 28, 2011 for $256,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 317 Portsmouth Ave, Stratham, NH?

317 Portsmouth Ave, Stratham, NH has 2 bedrooms, 1.5 bathrooms, 1,664 square feet of living space and a 7.03-acre lot.

When was 317 Portsmouth Ave, Stratham, NH built?

317 Portsmouth Ave, Stratham, NH was built in 2005, making it 21 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 317 Portsmouth Ave, Stratham, NH?

317 Portsmouth Ave, Stratham, NH is assigned to Stratham Memorial School (elementary), rated A; Cooperative Middle School (middle), rated B+; Exeter High School (high), rated A-. All sit in Exeter Regional Cooperative School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 317 Portsmouth Ave, Stratham, NH compare to other homes in Stratham 03885?

Among the 3,020 homes in Stratham 03885, it is worth more than 18% of them ($489,396 against a typical $748,875), its price per square foot is higher than 59% of them ($294 against a typical $283), it is bigger than 23% of them (1,664 ft² against a typical 2,675 ft²), its lot is bigger than 96% of them (7.03 ac against a typical 1.14 ac) and it is newer than 87% of them (2005 against a typical 1988). Measured against all of Rockingham County, it is worth more than 22% 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 317 Portsmouth Ave, Stratham, NH?

The 2025 property tax bill for 317 Portsmouth Ave, Stratham, NH was $6,379. The county assessed it at $471,800.

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