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Single Family ResidenceResidential
$402,788$210 / 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 Sep 24, 2026
Last sold for $250,000 on May 3, 2022

21 MAPLE AVE

FLEMINGTON, NJ 08822
0
Baths
1,920 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$403K
$376K low$429K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · May 3, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,568 (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.$372,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$144,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$228,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$349,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$372,800

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.0.15
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(1)

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
Hunterdon Central Regional High SchoolB-
High · Grades 9–12 · 0.5 mi
M
J. P. Case Middle SchoolB-
Middle · Grades 7–8 · 1.3 mi
E
Francis A. Desmares Elementary SchoolC+
Elementary · Grades KG–4 · 2.3 mi

District: Flemington-Raritan 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

21 Maple Ave 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 less than 84% of homes in Hunterdon County
  • Costs less per square foot than 97% of homes in Flemington 08822
  • Has a smaller lot than 81% of homes in Hunterdon County
  • Older than 96% of homes in Flemington 08822

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
$246K$1.3M

This home is worth more than 17% 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$402,788
CheaperTypical $623,489Pricier

Pricier than 17% of homes nearby

Price per ft²$210
CheaperTypical $290Pricier

Pricier than 3% of homes nearby

Living area1,920 ft²
SmallerTypical 2,096 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.15 ac
SmallerTypical 0.93 acBigger

Bigger than 26% of homes nearby

Year built1880
OlderTypical 1986Newer

Newer than 4% of homes nearby

How 21 Maple Ave ranks against every home in each area.
MeasureThis homeFlemington 08822Hunterdon County
Estimated valuepricier than$402,78817% of homes16% of homes
Price per ft²pricier than$2103% of homes5% of homes
Living areabigger than1,920 ft²44% of homes43% of homes
Lot sizebigger than0.15 ac26% of homes19% of homes
Year builtnewer than18804% of homes7% of homes

About 21 Maple Ave

How much is 21 Maple Ave, Flemington, NJ worth?

The TopHap Estimate for 21 Maple Ave, Flemington, NJ is $402,788 as of Sep 24, 2026. The likely range is $376,463 to $429,113. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Maple Ave, Flemington, NJ last sell?

21 Maple Ave, Flemington, NJ last sold on May 3, 2022 for $250,000, according to the county's recorded deed.

How big is 21 Maple Ave, Flemington, NJ?

21 Maple Ave, Flemington, NJ has 1,920 square feet of living space and a 0.15-acre lot.

When was 21 Maple Ave, Flemington, NJ built?

21 Maple Ave, Flemington, NJ was built in 1880, making it 146 years old. The building has 2 stories.

What schools serve 21 Maple Ave, Flemington, NJ?

21 Maple Ave, Flemington, NJ is assigned to Hunterdon Central Regional High School (high), rated B-; J. P. Case Middle School (middle), rated B-; Francis A. Desmares Elementary School (elementary), rated C+. All sit in Flemington-Raritan Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Maple Ave, Flemington, NJ compare to other homes in Flemington 08822?

Among the 10,320 homes in Flemington 08822, it is worth more than 17% of them ($402,788 against a typical $623,489), its price per square foot is higher than 3% of them ($210 against a typical $290), it is bigger than 44% of them (1,920 ft² against a typical 2,096 ft²), its lot is bigger than 26% of them (0.15 ac against a typical 0.93 ac) and it is newer than 4% of them (1880 against a typical 1986). Measured against all of Hunterdon County, it is worth more than 16% 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 Maple Ave, Flemington, NJ?

The 2025 property tax bill for 21 Maple Ave, Flemington, NJ was $9,568. The county assessed it at $372,800.

More homes on Maple Ave

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Assigned schools

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