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Single Family ResidenceResidential
$2,068,629$1,082 / 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

4 OLIVER ST

NEW CASTLE, NH 03854
3
Beds
1.5
Baths
1,911 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1865
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$2.1M
$1.9M low$2.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,302 (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.$983,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$675,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$308,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,559,235

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.0.37
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

Transaction History(3)

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
Maude H. Trefethen School
Elementary · Grades KG–5 · 0.2 mi
M
Portsmouth Middle SchoolB
Middle · Grades 6–8 · 1.7 mi
H
Portsmouth High SchoolA+
High · Grades 9–12 · 2.1 mi

District: Portsmouth School District

Neighborhood · ZIP 03854These 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.152
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.101

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.5%
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.874
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$173,461
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$279,784
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

4 Oliver 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.

  • Worth more than 98% of homes in Rockingham County
  • Among the highest price per square foot in Rockingham County
  • Smaller than 84% of homes in New Castle 03854
  • Has a smaller lot than 72% of homes in Rockingham County
  • Older than 97% of homes in Rockingham County

What homes are worth in New Castle 03854

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

This home
$1.2M$6.3M

This home is worth more than 25% of homes in New Castle 03854.

How it measures up in New Castle 03854

The dot is this home. The mark in the middle is the typical home in New Castle 03854.

Estimated value$2,068,629
CheaperTypical $2,655,296Pricier

Pricier than 25% of homes nearby

Price per ft²$1082
CheaperTypical $881Pricier

Pricier than 78% of homes nearby

Living area1,911 ft²
SmallerTypical 3,104 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.37 ac
SmallerTypical 0.3 acBigger

Bigger than 62% of homes nearby

Year built1865
OlderTypical 1973Newer

Newer than 15% of homes nearby

How 4 Oliver St ranks against every home in each area.
MeasureThis homeNew Castle 03854Rockingham County
Estimated valuepricier than$2,068,62925% of homes98% of homes
Price per ft²pricier than$108278% of homesalmost all homes
Living areabigger than1,911 ft²16% of homes56% of homes
Lot sizebigger than0.37 ac62% of homes28% of homes
Year builtnewer than186515% of homes3% of homes

About 4 Oliver St

How much is 4 Oliver St, New Castle, NH worth?

The TopHap Estimate for 4 Oliver St, New Castle, NH is $2,068,629 as of Aug 30, 2026. The likely range is $1,851,554 to $2,285,704. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Oliver St, New Castle, NH last sell?

4 Oliver St, New Castle, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Oliver St, New Castle, NH?

4 Oliver St, New Castle, NH has 3 bedrooms, 1.5 bathrooms, 1,911 square feet of living space and a 0.37-acre lot.

When was 4 Oliver St, New Castle, NH built?

4 Oliver St, New Castle, NH was built in 1865, making it 161 years old. It is a conventional home. The building has 2 stories.

What schools serve 4 Oliver St, New Castle, NH?

4 Oliver St, New Castle, NH is assigned to Maude H. Trefethen School (elementary); 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 4 Oliver St, New Castle, NH compare to other homes in New Castle 03854?

Among the 500 homes in New Castle 03854, it is worth more than 25% of them ($2,068,629 against a typical $2,655,296), its price per square foot is higher than 78% of them ($1082 against a typical $881), it is bigger than 16% of them (1,911 ft² against a typical 3,104 ft²), its lot is bigger than 62% of them (0.37 ac against a typical 0.3 ac) and it is newer than 15% of them (1865 against a typical 1973). Measured against all of Rockingham County, it is worth more than 98% 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 4 Oliver St, New Castle, NH?

The 2025 property tax bill for 4 Oliver St, New Castle, NH was $5,302. The county assessed it at $983,600.

More homes on Oliver St

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