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Single Family ResidenceResidential
$463,821$343 / 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 96How 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 $224,500 on Jan 20, 2004

309 PROSPECT AVE

UNION BEACH, NJ 07735
4
Beds
1
Baths
1,352 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$464K
$444K low$483K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$224,500 · Jan 20, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,198 (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.$413,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$255,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$158,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$382,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$413,100

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.29
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
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.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.80%
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMONMOUTH
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 364 ft²Shed · 200 ft²

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

E
Memorial SchoolC+
Elementary · Grades PK–8 · 0.4 mi
H
Keyport High SchoolD
High · Grades 9–12 · 1.7 mi

District: Keyport Borough School District

Neighborhood · ZIP 07735These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.96

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.18,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,536 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,668
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,431
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

309 Prospect Ave 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 87% of homes in Monmouth County
  • Costs less per square foot than 71% of homes in Monmouth County
  • Smaller than 77% of homes in Monmouth County
  • Has a bigger lot than 84% of homes in Keyport 07735
  • Newer than 67% of homes in Keyport 07735

What homes are worth in Keyport 07735

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

This home
$309K$818K

This home is worth more than 33% of homes in Keyport 07735.

How it measures up in Keyport 07735

The dot is this home. The mark in the middle is the typical home in Keyport 07735.

Estimated value$463,821
CheaperTypical $509,934Pricier

Pricier than 33% of homes nearby

Price per ft²$343
CheaperTypical $360Pricier

Pricier than 39% of homes nearby

Living area1,352 ft²
SmallerTypical 1,406 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.23 ac
SmallerTypical 0.14 acBigger

Bigger than 84% of homes nearby

Year built1964
OlderTypical 1954Newer

Newer than 67% of homes nearby

How 309 Prospect Ave ranks against every home in each area.
MeasureThis homeKeyport 07735Monmouth County
Estimated valuepricier than$463,82133% of homes13% of homes
Price per ft²pricier than$34339% of homes29% of homes
Living areabigger than1,352 ft²45% of homes23% of homes
Lot sizebigger than0.23 ac84% of homes48% of homes
Year builtnewer than196467% of homes38% of homes

About 309 Prospect Ave

How much is 309 Prospect Ave, Union Beach, NJ worth?

The TopHap Estimate for 309 Prospect Ave, Union Beach, NJ is $463,821 as of Sep 24, 2026. The likely range is $444,499 to $483,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Prospect Ave, Union Beach, NJ last sell?

309 Prospect Ave, Union Beach, NJ last sold on Jan 20, 2004 for $224,500, according to the county's recorded deed.

How big is 309 Prospect Ave, Union Beach, NJ?

309 Prospect Ave, Union Beach, NJ has 4 bedrooms, 1 bathrooms, 1,352 square feet of living space and a 0.23-acre lot.

When was 309 Prospect Ave, Union Beach, NJ built?

309 Prospect Ave, Union Beach, NJ was built in 1964, making it 62 years old. It is a ranch home. The building has 1 story.

What schools serve 309 Prospect Ave, Union Beach, NJ?

309 Prospect Ave, Union Beach, NJ is assigned to Memorial School (elementary), rated C+; Keyport High School (high), rated D. All sit in Keyport Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Prospect Ave, Union Beach, NJ compare to other homes in Keyport 07735?

Among the 6,337 homes in Keyport 07735, it is worth more than 33% of them ($463,821 against a typical $509,934), its price per square foot is higher than 39% of them ($343 against a typical $360), it is bigger than 45% of them (1,352 ft² against a typical 1,406 ft²), its lot is bigger than 84% of them (0.23 ac against a typical 0.14 ac) and it is newer than 67% of them (1964 against a typical 1954). Measured against all of Monmouth County, it is worth more than 13% 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 309 Prospect Ave, Union Beach, NJ?

The 2025 property tax bill for 309 Prospect Ave, Union Beach, NJ was $8,198. The county assessed it at $413,100.

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Assigned schools

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