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Single Family ResidenceResidential
$622,484$291 / 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 94How 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 $285,000 on Dec 11, 2013

309 PORTSMOUTH AVE

STRATHAM, NH 03885
3
Beds
2 / 1
Baths
2,139 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.
1 ac
Lot SizeThe size of the land the home sits on, from county records.
1790
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$622K
$584K low$661K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$285,000 · Dec 11, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,530 (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.$630,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$315,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$315,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$642,390

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.Historical
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.1.00
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
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(1)

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 · 0.6 mi
M
Cooperative Middle SchoolB
Middle · Grades 6–8 · 4.1 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

309 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 65% of homes in Stratham 03885
  • Costs less per square foot than 72% of homes in Rockingham County
  • Smaller than 67% of homes in Stratham 03885
  • Has a smaller lot than 65% of homes in Stratham 03885
  • Among the oldest homes in Rockingham County

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
$268K$1.4M

This home is worth more than 35% 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$622,484
CheaperTypical $730,910Pricier

Pricier than 35% of homes nearby

Price per ft²$291
CheaperTypical $280Pricier

Pricier than 61% of homes nearby

Living area2,139 ft²
SmallerTypical 2,686 ft²Bigger

Bigger than 33% of homes nearby

Lot size1 ac
SmallerTypical 1.14 acBigger

Bigger than 35% of homes nearby

Year built1790
OlderTypical 1988Newer

Newer than 2% of homes nearby

How 309 Portsmouth Ave ranks against every home in each area.
MeasureThis homeStratham 03885Rockingham County
Estimated valuepricier than$622,48435% of homes51% of homes
Price per ft²pricier than$29161% of homes28% of homes
Living areabigger than2,139 ft²33% of homes65% of homes
Lot sizebigger than1 ac35% of homes52% of homes
Year builtnewer than17902% of homesalmost no homes

About 309 Portsmouth Ave

How much is 309 Portsmouth Ave, Stratham, NH worth?

The TopHap Estimate for 309 Portsmouth Ave, Stratham, NH is $622,484 as of Aug 30, 2026. The likely range is $584,375 to $660,593. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Portsmouth Ave, Stratham, NH last sell?

309 Portsmouth Ave, Stratham, NH last sold on Dec 11, 2013 for $285,000, according to the county's recorded deed.

How big is 309 Portsmouth Ave, Stratham, NH?

309 Portsmouth Ave, Stratham, NH has 3 bedrooms, 2 bathrooms, 2,139 square feet of living space and a 1.00-acre lot.

When was 309 Portsmouth Ave, Stratham, NH built?

309 Portsmouth Ave, Stratham, NH was built in 1790, making it 236 years old. It is a historical home. The building has 3 stories.

What schools serve 309 Portsmouth Ave, Stratham, NH?

309 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 309 Portsmouth Ave, Stratham, NH compare to other homes in Stratham 03885?

Among the 3,020 homes in Stratham 03885, it is worth more than 35% of them ($622,484 against a typical $730,910), its price per square foot is higher than 61% of them ($291 against a typical $280), it is bigger than 33% of them (2,139 ft² against a typical 2,686 ft²), its lot is bigger than 35% of them (1 ac against a typical 1.14 ac) and it is newer than 2% of them (1790 against a typical 1988). Measured against all of Rockingham County, it is worth more than 51% 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 309 Portsmouth Ave, Stratham, NH?

The 2025 property tax bill for 309 Portsmouth Ave, Stratham, NH was $8,530. The county assessed it at $630,900.

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