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Single Family ResidenceResidential
$732,114$270 / 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 Sep 24, 2026

21 ISABELLA DR

LONDONDERRY, NH 03053
4
Beds
2.5
Baths
2,712 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.
1.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$732K
$694K low$770K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,967 (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.$679,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$229,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$450,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$750,690

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.33 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.minimal

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.Colonial
CountyROCKINGHAM
Lot (acres)The size of the land the home sits on, from county records.1.91
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
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Londonderry High SchoolA-
High · Grades 9–12 · 0.4 mi
E
Matthew Thornton Elementary SchoolB-
Elementary · Grades 1–5 · 0.5 mi
M
Londonderry Middle SchoolC+
Middle · Grades 6–8 · 0.5 mi

District: Londonderry School District

Neighborhood · ZIP 03053These 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.9
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.89

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.26,296
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.649 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,095
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,902
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

21 Isabella Dr 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 80% of homes in Londonderry 03053
  • Costs less per square foot than 83% of homes in Rockingham County
  • Bigger than 90% of homes in Londonderry 03053
  • Has a bigger lot than 87% of homes in Londonderry 03053
  • Newer than 70% of homes in Londonderry 03053

What homes are worth in Londonderry 03053

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

This home
$221K$957K

This home is worth more than 80% of homes in Londonderry 03053.

How it measures up in Londonderry 03053

The dot is this home. The mark in the middle is the typical home in Londonderry 03053.

Estimated value$732,114
CheaperTypical $579,923Pricier

Pricier than 80% of homes nearby

Price per ft²$270
CheaperTypical $314Pricier

Pricier than 19% of homes nearby

Living area2,712 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 90% of homes nearby

Lot size1.91 ac
SmallerTypical 1 acBigger

Bigger than 87% of homes nearby

Year built1993
OlderTypical 1985Newer

Newer than 70% of homes nearby

How 21 Isabella Dr ranks against every home in each area.
MeasureThis homeLondonderry 03053Rockingham County
Estimated valuepricier than$732,11480% of homes67% of homes
Price per ft²pricier than$27019% of homes17% of homes
Living areabigger than2,712 ft²90% of homes81% of homes
Lot sizebigger than1.91 ac87% of homes73% of homes
Year builtnewer than199370% of homes66% of homes

About 21 Isabella Dr

How much is 21 Isabella Dr, Londonderry, NH worth?

The TopHap Estimate for 21 Isabella Dr, Londonderry, NH is $732,114 as of Sep 24, 2026. The likely range is $694,351 to $769,877. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Isabella Dr, Londonderry, NH last sell?

21 Isabella Dr, Londonderry, NH last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Isabella Dr, Londonderry, NH?

21 Isabella Dr, Londonderry, NH has 4 bedrooms, 2.5 bathrooms, 2,712 square feet of living space and a 1.91-acre lot.

When was 21 Isabella Dr, Londonderry, NH built?

21 Isabella Dr, Londonderry, NH was built in 1993, making it 33 years old. It is a colonial home. The building has 2 stories.

What schools serve 21 Isabella Dr, Londonderry, NH?

21 Isabella Dr, Londonderry, NH is assigned to Londonderry High School (high), rated A-; Matthew Thornton Elementary School (elementary), rated B-; Londonderry Middle School (middle), rated C+. All sit in Londonderry School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Isabella Dr, Londonderry, NH compare to other homes in Londonderry 03053?

Among the 9,228 homes in Londonderry 03053, it is worth more than 80% of them ($732,114 against a typical $579,923), its price per square foot is higher than 19% of them ($270 against a typical $314), it is bigger than 90% of them (2,712 ft² against a typical 1,772 ft²), its lot is bigger than 87% of them (1.91 ac against a typical 1 ac) and it is newer than 70% of them (1993 against a typical 1985). Measured against all of Rockingham County, it is worth more than 67% 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 21 Isabella Dr, Londonderry, NH?

The 2025 property tax bill for 21 Isabella Dr, Londonderry, NH was $10,967. The county assessed it at $679,500.

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