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Single Family ResidenceResidential
$618,109$378 / 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
Last sold for $550,000 on Oct 24, 2024

21 LANDSDOWN RD

ANNANDALE, NJ 08801
0
Baths
1,636 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.
0.72 ac
Lot SizeThe size of the land the home sits on, from county records.
1870
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$618K
$556K low$680K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Oct 24, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,455 (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.$306,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$133,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$172,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$289,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$306,000

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.26 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyHUNTERDON
Lot (acres)The size of the land the home sits on, from county records.0.72
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

Transaction History(5)

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.

H
North Hunterdon High SchoolA-
High · Grades 9–12 · 2.3 mi
E
Franklin Township SchoolB-
Elementary · Grades PK–8 · 3.1 mi

District: Franklin Township School District

Neighborhood · ZIP 08801These 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.71
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.8,193
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.489 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$152,035
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$171,682
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

21 Landsdown Rd 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 97% of homes in Annandale 08801
  • Smaller than 70% of homes in Annandale 08801
  • Older than 97% of homes in Annandale 08801

What homes are worth in Annandale 08801

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

This home
$254K$1.2M

This home is worth more than 46% of homes in Annandale 08801.

How it measures up in Annandale 08801

The dot is this home. The mark in the middle is the typical home in Annandale 08801.

Estimated value$618,109
CheaperTypical $640,712Pricier

Pricier than 46% of homes nearby

Price per ft²$378
CheaperTypical $287Pricier

Pricier than 97% of homes nearby

Living area1,636 ft²
SmallerTypical 2,157 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.72 ac
SmallerTypical 0.75 acBigger

Bigger than 48% of homes nearby

Year built1870
OlderTypical 1986Newer

Newer than 3% of homes nearby

How 21 Landsdown Rd ranks against every home in each area.
MeasureThis homeAnnandale 08801Hunterdon County
Estimated valuepricier than$618,10946% of homes51% of homes
Price per ft²pricier than$37897% of homes91% of homes
Living areabigger than1,636 ft²30% of homes31% of homes
Lot sizebigger than0.72 ac48% of homes40% of homes
Year builtnewer than18703% of homes5% of homes

About 21 Landsdown Rd

How much is 21 Landsdown Rd, Annandale, NJ worth?

The TopHap Estimate for 21 Landsdown Rd, Annandale, NJ is $618,109 as of Aug 30, 2026. The likely range is $555,975 to $680,243. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Landsdown Rd, Annandale, NJ last sell?

21 Landsdown Rd, Annandale, NJ last sold on Oct 24, 2024 for $550,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Landsdown Rd, Annandale, NJ?

21 Landsdown Rd, Annandale, NJ has 1,636 square feet of living space and a 0.72-acre lot.

When was 21 Landsdown Rd, Annandale, NJ built?

21 Landsdown Rd, Annandale, NJ was built in 1870, making it 156 years old. The building has 2 stories.

What schools serve 21 Landsdown Rd, Annandale, NJ?

21 Landsdown Rd, Annandale, NJ is assigned to North Hunterdon High School (high), rated A-; Franklin Township School (elementary), rated B-. All sit in Franklin Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Landsdown Rd, Annandale, NJ compare to other homes in Annandale 08801?

Among the 2,630 homes in Annandale 08801, it is worth more than 46% of them ($618,109 against a typical $640,712), its price per square foot is higher than 97% of them ($378 against a typical $287), it is bigger than 30% of them (1,636 ft² against a typical 2,157 ft²), its lot is bigger than 48% of them (0.72 ac against a typical 0.75 ac) and it is newer than 3% of them (1870 against a typical 1986). Measured against all of Hunterdon 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 21 Landsdown Rd, Annandale, NJ?

The 2025 property tax bill for 21 Landsdown Rd, Annandale, NJ was $9,455. The county assessed it at $306,000.

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