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Single Family ResidenceResidential
$510,279$297 / 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
Last sold for $305,000 on Aug 13, 2018

21 GREENBRIAR LN

ANNANDALE, NJ 08801
0
Baths
1,716 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.
994 ft²
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.

Valuation

$510K
$482K low$538K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$305,000 · Aug 13, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,735 (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.$281,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$75,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$206,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$281,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$281,400

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.Townhouse
CountyHUNTERDON
Lot (acres)The size of the land the home sits on, from county records.0.02
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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 SchoolB
High · Grades 9–12 · 0.6 mi
M
Clinton Township Middle SchoolA
Middle · Grades 7–8 · 0.6 mi
E
Spruce Run Elementary School
Elementary · Grades PK–1 · 0.7 mi

District: Clinton 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 Greenbriar Ln 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 70% of homes in Annandale 08801
  • Smaller than 67% of homes in Annandale 08801
  • Has a smaller lot than 92% of homes in Hunterdon County

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
$247K$1.2M

This home is worth more than 30% 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$510,279
CheaperTypical $640,516Pricier

Pricier than 30% of homes nearby

Price per ft²$297
CheaperTypical $286Pricier

Pricier than 64% of homes nearby

Living area1,716 ft²
SmallerTypical 2,156 ft²Bigger

Bigger than 33% of homes nearby

Lot size994 ft²
SmallerTypical 0.75 acBigger

Bigger than 18% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 55% of homes nearby

How 21 Greenbriar Ln ranks against every home in each area.
MeasureThis homeAnnandale 08801Hunterdon County
Estimated valuepricier than$510,27930% of homes33% of homes
Price per ft²pricier than$29764% of homes55% of homes
Living areabigger than1,716 ft²33% of homes34% of homes
Lot sizebigger than994 ft²18% of homes8% of homes
Year builtnewer than198655% of homes63% of homes

About 21 Greenbriar Ln

How much is 21 Greenbriar Ln, Annandale, NJ worth?

The TopHap Estimate for 21 Greenbriar Ln, Annandale, NJ is $510,279 as of Sep 24, 2026. The likely range is $482,221 to $538,337. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Greenbriar Ln, Annandale, NJ last sell?

21 Greenbriar Ln, Annandale, NJ last sold on Aug 13, 2018 for $305,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 21 Greenbriar Ln, Annandale, NJ?

21 Greenbriar Ln, Annandale, NJ has 1,716 square feet of living space and a 0.02-acre lot.

When was 21 Greenbriar Ln, Annandale, NJ built?

21 Greenbriar Ln, Annandale, NJ was built in 1986, making it 40 years old. It is a townhouse home.

What schools serve 21 Greenbriar Ln, Annandale, NJ?

21 Greenbriar Ln, Annandale, NJ is assigned to North Hunterdon High School (high), rated B; Clinton Township Middle School (middle), rated A; Spruce Run Elementary School (elementary). All sit in Clinton Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Greenbriar Ln, Annandale, NJ compare to other homes in Annandale 08801?

Among the 2,630 homes in Annandale 08801, it is worth more than 30% of them ($510,279 against a typical $640,516), its price per square foot is higher than 64% of them ($297 against a typical $286), it is bigger than 33% of them (1,716 ft² against a typical 2,156 ft²), its lot is bigger than 18% of them (994 ft² against a typical 0.75 ac) and it is newer than 55% of them (1986 against a typical 1986). Measured against all of Hunterdon County, it is worth more than 33% 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 Greenbriar Ln, Annandale, NJ?

The 2025 property tax bill for 21 Greenbriar Ln, Annandale, NJ was $8,735. The county assessed it at $281,400.

More homes on Greenbriar Ln

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Assigned schools

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