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Single Family ResidenceResidential
$664,789$183 / 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 $500,000 on May 4, 2004

21 HAINESBURG RIVER RD

COLUMBIA, NJ 07832
0
Baths
3,639 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.
7.87 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$665K
$618K low$711K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$500,000 · May 4, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,968 (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.$420,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$333,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$420,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,700

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
97
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyWARREN
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(2)

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.

E
Knowlton Township Elementary SchoolB-
Elementary · Grades PK–6 · 3.9 mi
M
North Warren Regional High SchoolC
Middle · Grades 7–12 · 4.9 mi

District: North Warren Regional School District

Neighborhood · ZIP 07832These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.77

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.4,325
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.106 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,828
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,986
Average tempThe average temperature here across a full year.49°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%

Owner Tools

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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 Hainesburg River 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.

  • Worth more than 94% of homes in Columbia 07832
  • Costs less per square foot than 91% of homes in Columbia 07832
  • Bigger than 98% of homes in Warren County
  • Among the largest lots in Warren County
  • Newer than 96% of homes in Columbia 07832

What homes are worth in Columbia 07832

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

This home
$220K$745K

This home is worth more than 94% of homes in Columbia 07832.

How it measures up in Columbia 07832

The dot is this home. The mark in the middle is the typical home in Columbia 07832.

Estimated value$664,789
CheaperTypical $450,002Pricier

Pricier than 94% of homes nearby

Price per ft²$183
CheaperTypical $239Pricier

Pricier than 9% of homes nearby

Living area3,639 ft²
SmallerTypical 1,892 ft²Bigger

Bigger than 97% of homes nearby

Lot size7.87 ac
SmallerTypical 1.51 acBigger

Bigger than 97% of homes nearby

Year built2005
OlderTypical 1977Newer

Newer than 96% of homes nearby

How 21 Hainesburg River Rd ranks against every home in each area.
MeasureThis homeColumbia 07832Warren County
Estimated valuepricier than$664,78994% of homes92% of homes
Price per ft²pricier than$1839% of homes12% of homes
Living areabigger than3,639 ft²97% of homes98% of homes
Lot sizebigger than7.87 ac97% of homesalmost all homes
Year builtnewer than200596% of homes94% of homes

About 21 Hainesburg River Rd

How much is 21 Hainesburg River Rd, Columbia, NJ worth?

The TopHap Estimate for 21 Hainesburg River Rd, Columbia, NJ is $664,789 as of Sep 24, 2026. The likely range is $618,101 to $711,477. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Hainesburg River Rd, Columbia, NJ last sell?

21 Hainesburg River Rd, Columbia, NJ last sold on May 4, 2004 for $500,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 21 Hainesburg River Rd, Columbia, NJ built?

21 Hainesburg River Rd, Columbia, NJ was built in 2005, making it 21 years old. The building has 2 stories.

What schools serve 21 Hainesburg River Rd, Columbia, NJ?

21 Hainesburg River Rd, Columbia, NJ is assigned to Knowlton Township Elementary School (elementary), rated B-; North Warren Regional High School (middle), rated C. All sit in North Warren Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Hainesburg River Rd, Columbia, NJ compare to other homes in Columbia 07832?

Among the 1,269 homes in Columbia 07832, it is worth more than 94% of them ($664,789 against a typical $450,002), its price per square foot is higher than 9% of them ($183 against a typical $239), it is bigger than 97% of them (3,639 ft² against a typical 1,892 ft²), its lot is bigger than 97% of them (7.87 ac against a typical 1.51 ac) and it is newer than 96% of them (2005 against a typical 1977). Measured against all of Warren County, it is worth more than 92% 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 Hainesburg River Rd, Columbia, NJ?

The 2025 property tax bill for 21 Hainesburg River Rd, Columbia, NJ was $17,968. The county assessed it at $420,700.

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