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Single Family ResidenceResidential
$636,014$437 / 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 93How 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

42 RIVER ST

SEABROOK, NH 03874
3
Beds
2.5
Baths
1,457 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.
1960
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

$636K
$594K low$678K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,082 (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.$490,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$268,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$524,210

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Conventional
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.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(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.

M
Seabrook Middle SchoolD
Middle · Grades 5–8 · 1.3 mi
E
Seabrook Elementary SchoolD+
Elementary · Grades PK–4 · 1.3 mi
H
Winnacunnet High SchoolB
High · Grades 9–12 · 3.1 mi

District: Winnacunnet Cooperative School District

Neighborhood · ZIP 03874These 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.142
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.95

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.8,644
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.911 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,550
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$117,811
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

42 River 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.

  • Costs more per square foot than 76% of homes in Rockingham County
  • Has a smaller lot than 98% of homes in Seabrook 03874
  • Older than 81% of homes in Seabrook 03874

What homes are worth in Seabrook 03874

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

This home
$222K$3.2M

This home is worth more than 53% of homes in Seabrook 03874.

How it measures up in Seabrook 03874

The dot is this home. The mark in the middle is the typical home in Seabrook 03874.

Estimated value$636,014
CheaperTypical $615,509Pricier

Pricier than 53% of homes nearby

Price per ft²$437
CheaperTypical $351Pricier

Pricier than 68% of homes nearby

Living area1,457 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 45% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.35 acBigger

Bigger than 2% of homes nearby

Year built1960
OlderTypical 1989Newer

Newer than 19% of homes nearby

How 42 River St ranks against every home in each area.
MeasureThis homeSeabrook 03874Rockingham County
Estimated valuepricier than$636,01453% of homes51% of homes
Price per ft²pricier than$43768% of homes76% of homes
Living areabigger than1,457 ft²45% of homes36% of homes
Lot sizebigger than3,920 ft²2% of homes6% of homes
Year builtnewer than196019% of homes22% of homes

About 42 River St

How much is 42 River St, Seabrook, NH worth?

The TopHap Estimate for 42 River St, Seabrook, NH is $636,014 as of Oct 21, 2026. The likely range is $593,606 to $678,422. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 42 River St, Seabrook, NH last sell?

42 River St, Seabrook, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 42 River St, Seabrook, NH?

42 River St, Seabrook, NH has 3 bedrooms, 2.5 bathrooms, 1,457 square feet of living space and a 0.09-acre lot.

When was 42 River St, Seabrook, NH built?

42 River St, Seabrook, NH was built in 1960, making it 66 years old. It is a conventional home. The building has 2 stories.

What schools serve 42 River St, Seabrook, NH?

42 River St, Seabrook, NH is assigned to Seabrook Middle School (middle), rated D; Seabrook Elementary School (elementary), rated D+; Winnacunnet High School (high), rated B. All sit in Winnacunnet Cooperative School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 42 River St, Seabrook, NH compare to other homes in Seabrook 03874?

Among the 3,676 homes in Seabrook 03874, it is worth more than 53% of them ($636,014 against a typical $615,509), its price per square foot is higher than 68% of them ($437 against a typical $351), it is bigger than 45% of them (1,457 ft² against a typical 1,566 ft²), its lot is bigger than 2% of them (3,920 ft² against a typical 0.35 ac) and it is newer than 19% of them (1960 against a typical 1989). 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 42 River St, Seabrook, NH?

The 2025 property tax bill for 42 River St, Seabrook, NH was $6,082. The county assessed it at $490,500.

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