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Single Family ResidenceResidential
$604,514$253 / 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 Aug 30, 2026
Last sold for $321,000 on Dec 2, 2002

4 RIVER RUN HOLLOW RD

COLUMBIA, NJ 07832
0
Baths
2,391 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.
1.05 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$605K
$564K low$645K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$321,000 · Dec 2, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,975 (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.$350,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$109,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$241,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$350,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,200

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.23
67
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.35 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.1 percent flood zone

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(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.

M
North Warren Regional High SchoolB-
Middle · Grades 7–12 · 3.1 mi
E
Blairstown Elementary SchoolC+
Elementary · Grades PK–6 · 4.8 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%

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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

4 River Run Hollow 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 88% of homes in Columbia 07832
  • Bigger than 80% of homes in Warren County
  • Has a bigger lot than 74% of homes in Warren County
  • Newer than 81% 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
$214K$745K

This home is worth more than 88% 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$604,514
CheaperTypical $450,238Pricier

Pricier than 88% of homes nearby

Price per ft²$253
CheaperTypical $238Pricier

Pricier than 62% of homes nearby

Living area2,391 ft²
SmallerTypical 1,894 ft²Bigger

Bigger than 76% of homes nearby

Lot size1.05 ac
SmallerTypical 1.52 acBigger

Bigger than 35% of homes nearby

Year built1994
OlderTypical 1977Newer

Newer than 81% of homes nearby

How 4 River Run Hollow Rd ranks against every home in each area.
MeasureThis homeColumbia 07832Warren County
Estimated valuepricier than$604,51488% of homes85% of homes
Price per ft²pricier than$25362% of homes54% of homes
Living areabigger than2,391 ft²76% of homes80% of homes
Lot sizebigger than1.05 ac35% of homes74% of homes
Year builtnewer than199481% of homes77% of homes

About 4 River Run Hollow Rd

How much is 4 River Run Hollow Rd, Columbia, NJ worth?

The TopHap Estimate for 4 River Run Hollow Rd, Columbia, NJ is $604,514 as of Aug 30, 2026. The likely range is $564,310 to $644,717. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 River Run Hollow Rd, Columbia, NJ last sell?

4 River Run Hollow Rd, Columbia, NJ last sold on Dec 2, 2002 for $321,000, according to the county's recorded deed.

When was 4 River Run Hollow Rd, Columbia, NJ built?

4 River Run Hollow Rd, Columbia, NJ was built in 1994, making it 32 years old. The building has 2 stories.

What schools serve 4 River Run Hollow Rd, Columbia, NJ?

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

How does 4 River Run Hollow Rd, Columbia, NJ compare to other homes in Columbia 07832?

Among the 1,270 homes in Columbia 07832, it is worth more than 88% of them ($604,514 against a typical $450,238), its price per square foot is higher than 62% of them ($253 against a typical $238), it is bigger than 76% of them (2,391 ft² against a typical 1,894 ft²), its lot is bigger than 35% of them (1.05 ac against a typical 1.52 ac) and it is newer than 81% of them (1994 against a typical 1977). Measured against all of Warren County, it is worth more than 85% 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 4 River Run Hollow Rd, Columbia, NJ?

The 2025 property tax bill for 4 River Run Hollow Rd, Columbia, NJ was $10,975. The county assessed it at $350,200.

More homes on River Run Hollow Rd

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Assigned schools

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