Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$611,660$242 / 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 Oct 21, 2026
Last sold for $490,000 on Jul 17, 2020

306 ROUTE 513

UNION, NJ 07083
0
Baths
2,526 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.
5.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1750
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$612K
$576K low$648K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$490,000 · Jul 17, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,731 (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.$442,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$262,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$180,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$442,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$442,900

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.36 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
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.

E
Union Township Elementary SchoolA
Elementary · Grades PK–4 · 2.9 mi
M
Union Township Middle SchoolA
Middle · Grades 5–8 · 3.1 mi
H
North Hunterdon High SchoolB
High · Grades 9–12 · 4.7 mi

District: Union Township School District

Neighborhood · ZIP 07083These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.111

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.57,241
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,577 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,741
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,270
Average tempThe average temperature here across a full year.53°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

Do you own this home?
Claim this home

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 Route 513 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.

  • Among the lowest price per square foot in Union 07083
  • Bigger than 94% of homes in Union 07083
  • Has a bigger lot than 98% of homes in Union 07083
  • Among the oldest homes in Union 07083

What homes are worth in Union 07083

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

This home
$310K$888K

This home is worth more than 61% of homes in Union 07083.

How it measures up in Union 07083

The dot is this home. The mark in the middle is the typical home in Union 07083.

Estimated value$611,660
CheaperTypical $586,955Pricier

Pricier than 61% of homes nearby

Price per ft²$242
CheaperTypical $381Pricier

Cheaper than almost all homes nearby

Living area2,526 ft²
SmallerTypical 1,516 ft²Bigger

Bigger than 94% of homes nearby

Lot size5.49 ac
SmallerTypical 0.13 acBigger

Bigger than 98% of homes nearby

Year built1750
OlderTypical 1950Newer

Older than almost all homes nearby

How 306 Route 513 ranks against every home in each area.
MeasureThis homeUnion 07083Hunterdon County
Estimated valuepricier than$611,66061% of homes49% of homes
Price per ft²pricier than$242almost no homes14% of homes
Living areabigger than2,526 ft²94% of homes67% of homes
Lot sizebigger than5.49 ac98% of homes94% of homes
Year builtnewer than1750almost no homesalmost no homes

About 306 Route 513

How much is 306 Route 513, Union, NJ worth?

The TopHap Estimate for 306 Route 513, Union, NJ is $611,660 as of Oct 21, 2026. The likely range is $575,820 to $647,500. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 Route 513, Union, NJ last sell?

306 Route 513, Union, NJ last sold on Jul 17, 2020 for $490,000, according to the county's recorded deed.

When was 306 Route 513, Union, NJ built?

306 Route 513, Union, NJ was built in 1750, making it 276 years old. The building has 2 stories.

What schools serve 306 Route 513, Union, NJ?

306 Route 513, Union, NJ is assigned to Union Township Elementary School (elementary), rated A; Union Township Middle School (middle), rated A; North Hunterdon High School (high), rated B. All sit in Union Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 Route 513, Union, NJ compare to other homes in Union 07083?

Among the 15,572 homes in Union 07083, it is worth more than 61% of them ($611,660 against a typical $586,955), its price per square foot is higher than almost none of them ($242 against a typical $381), it is bigger than 94% of them (2,526 ft² against a typical 1,516 ft²), its lot is bigger than 98% of them (5.49 ac against a typical 0.13 ac) and it is newer than almost none of them (1750 against a typical 1950). Measured against all of Hunterdon County, it is worth more than 49% 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 Route 513, Union, NJ?

The 2025 property tax bill for 306 Route 513, Union, NJ was $9,731. The county assessed it at $442,900.

More homes on Route 513

Closest homes

More homes in Union 07083

Assigned schools

Explore the area

See this home in context

Open 306 Route 513 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map