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Single Family ResidenceResidential
$540,889$431 / 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

23 LONDONDERRY DR

FLEMINGTON, NJ 08822
0
Baths
1,256 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$541K
$509K low$572K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,705 (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.$287,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$200,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$287,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$287,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHUNTERDON
Lot (acres)The size of the land the home sits on, from county records.0.41
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
J. P. Case Middle SchoolB-
Middle · Grades 7–8 · 1.0 mi
H
Hunterdon Central Regional High SchoolB
High · Grades 9–12 · 1.5 mi
E
Copper Hill Elementary SchoolA-
Elementary · Grades PK–4 · 2.0 mi

District: Hunterdon Central Regional School District

Neighborhood · ZIP 08822These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.31,940
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.505 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,862
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$179,763
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

23 Londonderry 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.

  • Costs more per square foot than 98% of homes in Flemington 08822
  • Smaller than 87% of homes in Flemington 08822
  • Has a smaller lot than 69% of homes in Hunterdon County

What homes are worth in Flemington 08822

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

This home
$257K$1.2M

This home is worth more than 37% of homes in Flemington 08822.

How it measures up in Flemington 08822

The dot is this home. The mark in the middle is the typical home in Flemington 08822.

Estimated value$540,889
CheaperTypical $631,290Pricier

Pricier than 37% of homes nearby

Price per ft²$431
CheaperTypical $294Pricier

Pricier than 98% of homes nearby

Living area1,256 ft²
SmallerTypical 2,100 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.41 ac
SmallerTypical 0.94 acBigger

Bigger than 38% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 54% of homes nearby

How 23 Londonderry Dr ranks against every home in each area.
MeasureThis homeFlemington 08822Hunterdon County
Estimated valuepricier than$540,88937% of homes38% of homes
Price per ft²pricier than$43198% of homes97% of homes
Living areabigger than1,256 ft²13% of homes15% of homes
Lot sizebigger than0.41 ac38% of homes31% of homes
Year builtnewer than198654% of homes63% of homes

About 23 Londonderry Dr

How much is 23 Londonderry Dr, Flemington, NJ worth?

The TopHap Estimate for 23 Londonderry Dr, Flemington, NJ is $540,889 as of Aug 30, 2026. The likely range is $509,305 to $572,473. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Londonderry Dr, Flemington, NJ last sell?

23 Londonderry Dr, Flemington, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 23 Londonderry Dr, Flemington, NJ?

23 Londonderry Dr, Flemington, NJ has 1,256 square feet of living space and a 0.41-acre lot.

When was 23 Londonderry Dr, Flemington, NJ built?

23 Londonderry Dr, Flemington, NJ was built in 1986, making it 40 years old. The building has 1 story.

What schools serve 23 Londonderry Dr, Flemington, NJ?

23 Londonderry Dr, Flemington, NJ is assigned to J. P. Case Middle School (middle), rated B-; Hunterdon Central Regional High School (high), rated B; Copper Hill Elementary School (elementary), rated A-. All sit in Hunterdon Central Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 Londonderry Dr, Flemington, NJ compare to other homes in Flemington 08822?

Among the 10,320 homes in Flemington 08822, it is worth more than 37% of them ($540,889 against a typical $631,290), its price per square foot is higher than 98% of them ($431 against a typical $294), it is bigger than 13% of them (1,256 ft² against a typical 2,100 ft²), its lot is bigger than 38% of them (0.41 ac against a typical 0.94 ac) and it is newer than 54% of them (1986 against a typical 1986). Measured against all of Hunterdon County, it is worth more than 38% 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 23 Londonderry Dr, Flemington, NJ?

The 2025 property tax bill for 23 Londonderry Dr, Flemington, NJ was $8,705. The county assessed it at $287,400.

More homes on Londonderry Dr

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