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Single Family ResidenceResidential
$439,741$263 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

306 ROCKY RUN RD

CALIFON, NJ 07830
0
Baths
1,672 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.
3.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$440K
$414K low$466K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$439,741
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$351,793

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,959 (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.$234,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$108,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$126,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$234,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$234,400

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.17 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
CountyHUNTERDON
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.

H
Voorhees High SchoolB
High · Grades 9–12 · 0.7 mi
M
Woodglen SchoolB
Middle · Grades 5–8 · 0.7 mi
E
Valley View SchoolB
Elementary · Grades PK–4 · 2.1 mi

District: Lebanon 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

306 Rocky Run 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 91% of homes in Califon 07830
  • Costs less per square foot than 75% of homes in Califon 07830
  • Smaller than 75% of homes in Califon 07830
  • Has a bigger lot than 86% of homes in Hunterdon County
  • Older than 81% 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
$336K$1.6M

This home is worth more than 9% 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$439,741
CheaperTypical $697,832Pricier

Pricier than 9% of homes nearby

Price per ft²$263
CheaperTypical $300Pricier

Pricier than 25% of homes nearby

Living area1,672 ft²
SmallerTypical 2,428 ft²Bigger

Bigger than 25% of homes nearby

Lot size3.46 ac
SmallerTypical 2.01 acBigger

Bigger than 76% of homes nearby

Year built1948
OlderTypical 1973Newer

Newer than 22% of homes nearby

How 306 Rocky Run Rd ranks against every home in each area.
MeasureThis homeCalifon 07830Hunterdon County
Estimated valuepricier than$439,7419% of homes20% of homes
Price per ft²pricier than$26325% of homes27% of homes
Living areabigger than1,672 ft²25% of homes33% of homes
Lot sizebigger than3.46 ac76% of homes86% of homes
Year builtnewer than194822% of homes19% of homes

About 306 Rocky Run Rd

How much is 306 Rocky Run Rd, Califon, NJ worth?

The TopHap Estimate for 306 Rocky Run Rd, Califon, NJ is $439,741 as of Jul 14, 2026. The likely range is $413,890 to $465,592. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 Rocky Run Rd, Califon, NJ last sell?

306 Rocky Run Rd, Califon, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 306 Rocky Run Rd, Califon, NJ built?

306 Rocky Run Rd, Califon, NJ was built in 1948, making it 78 years old. The building has 1 story.

What schools serve 306 Rocky Run Rd, Califon, NJ?

306 Rocky Run Rd, Califon, NJ is assigned to Voorhees High School (high), rated B; Woodglen School (middle), rated B; Valley View School (elementary), rated B. All sit in Lebanon Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 Rocky Run Rd, Califon, NJ compare to other homes in Califon 07830?

Among the 2,158 homes in Califon 07830, it is worth more than 9% of them ($439,741 against a typical $697,832), its price per square foot is higher than 25% of them ($263 against a typical $300), it is bigger than 25% of them (1,672 ft² against a typical 2,428 ft²), its lot is bigger than 76% of them (3.46 ac against a typical 2.01 ac) and it is newer than 22% of them (1948 against a typical 1973). Measured against all of Hunterdon County, it is worth more than 20% 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 306 Rocky Run Rd, Califon, NJ?

The 2025 property tax bill for 306 Rocky Run Rd, Califon, NJ was $6,959. The county assessed it at $234,400.

More homes on Rocky Run Rd

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More homes in Califon 07830

Assigned schools

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