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Single Family ResidenceResidential
$418,352$704 / 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 78How 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 $975,000 on Jul 29, 2024

12 BLACK RIVER RD

CALIFON, NJ 07830
0
Baths
594 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.

Valuation

$418K
$325K low$512K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$975,000 · Jul 29, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,169 (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.$46,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$39,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$46,400

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.65
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
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.
43
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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyHUNTERDON
Lot (acres)The size of the land the home sits on, from county records.0.14
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Tewksbury Elementary SchoolB+
Elementary · Grades KG–4 · 2.1 mi
M
Old Turnpike SchoolB+
Middle · Grades PK–8 · 2.8 mi
H
Voorhees High SchoolB
High · Grades 9–12 · 8.6 mi

District: Tewksbury Township School District

Neighborhood · ZIP 07830These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.88

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.6,640
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.248 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$160,173
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$193,781
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.52 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

12 Black 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 less than 93% of homes in Califon 07830
  • Among the highest price per square foot in Califon 07830
  • Among the smallest homes in Califon 07830
  • Among the smallest lots in Califon 07830
  • Older than 88% of homes in Hunterdon County

What homes are worth in Califon 07830

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

This home
$340K$1.6M

This home is worth more than 7% of homes in Califon 07830.

How it measures up in Califon 07830

The dot is this home. The mark in the middle is the typical home in Califon 07830.

Estimated value$418,352
CheaperTypical $730,129Pricier

Pricier than 7% of homes nearby

Price per ft²$704
CheaperTypical $308Pricier

Pricier than almost all homes nearby

Living area594 ft²
SmallerTypical 2,428 ft²Bigger

Smaller than almost all homes nearby

Lot size0.14 ac
SmallerTypical 2.01 acBigger

Smaller than almost all homes nearby

Year built1900
OlderTypical 1973Newer

Newer than 13% of homes nearby

How 12 Black River Rd ranks against every home in each area.
MeasureThis homeCalifon 07830Hunterdon County
Estimated valuepricier than$418,3527% of homes19% of homes
Price per ft²pricier than$704almost all homesalmost all homes
Living areabigger than594 ft²almost no homesalmost no homes
Lot sizebigger than0.14 acalmost no homes18% of homes
Year builtnewer than190013% of homes12% of homes

About 12 Black River Rd

How much is 12 Black River Rd, Califon, NJ worth?

The TopHap Estimate for 12 Black River Rd, Califon, NJ is $418,352 as of Aug 30, 2026. The likely range is $324,890 to $511,814. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Black River Rd, Califon, NJ last sell?

12 Black River Rd, Califon, NJ last sold on Jul 29, 2024 for $975,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 12 Black River Rd, Califon, NJ?

12 Black River Rd, Califon, NJ has 594 square feet of living space and a 0.14-acre lot.

When was 12 Black River Rd, Califon, NJ built?

12 Black River Rd, Califon, NJ was built in 1900, making it 126 years old.

What schools serve 12 Black River Rd, Califon, NJ?

12 Black River Rd, Califon, NJ is assigned to Tewksbury Elementary School (elementary), rated B+; Old Turnpike School (middle), rated B+; Voorhees High School (high), rated B. All sit in Tewksbury Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12 Black River Rd, Califon, NJ compare to other homes in Califon 07830?

Among the 2,158 homes in Califon 07830, it is worth more than 7% of them ($418,352 against a typical $730,129), its price per square foot is higher than almost all of them ($704 against a typical $308), it is bigger than almost none of them (594 ft² against a typical 2,428 ft²), its lot is bigger than almost none of them (0.14 ac against a typical 2.01 ac) and it is newer than 13% of them (1900 against a typical 1973). Measured against all of Hunterdon County, it is worth more than 19% 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 12 Black River Rd, Califon, NJ?

The 2025 property tax bill for 12 Black River Rd, Califon, NJ was $1,169. The county assessed it at $46,400.

Closest homes

More homes in Califon 07830

Assigned schools

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