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Single Family ResidenceResidential
$1,481,641$373 / 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 Sep 24, 2026
Last sold for $200,000 on Jul 7, 2000

421 UNION LN

BRIELLE, NJ 08730
4
Beds
1.5
Baths
3,968 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.
0.33 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.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.5M
$1.2M low$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$200,000 · Jul 7, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$17,185 (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.$1,445,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$704,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$740,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,428,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,445,200

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.14
15
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
25
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.minimal

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.Colonial
CountyMONMOUTH
Lot (acres)The size of the land the home sits on, from county records.0.33
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.Patio · 758 ft²

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.

E
Brielle Elementary SchoolA
Elementary · Grades PK–8 · 0.3 mi
H
Manasquan High SchoolB-
High · Grades 9–12 · 1.4 mi

District: Brielle Borough School District

Neighborhood · ZIP 08730These 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.65
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.0.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.4,938
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,122 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$159,987
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,487
Average tempThe average temperature here across a full year.53°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%

Owner Tools

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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

421 Union Ln 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 Monmouth County
  • Costs less per square foot than 97% of homes in Brielle 08730
  • Bigger than 94% of homes in Monmouth County
  • Among the oldest homes in Monmouth County

What homes are worth in Brielle 08730

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

This home
$593K$3.7M

This home is worth more than 72% of homes in Brielle 08730.

How it measures up in Brielle 08730

The dot is this home. The mark in the middle is the typical home in Brielle 08730.

Estimated value$1,481,641
CheaperTypical $1,208,970Pricier

Pricier than 72% of homes nearby

Price per ft²$373
CheaperTypical $554Pricier

Pricier than 3% of homes nearby

Living area3,968 ft²
SmallerTypical 2,122 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.33 ac
SmallerTypical 0.28 acBigger

Bigger than 56% of homes nearby

Year built1900
OlderTypical 1970Newer

Newer than 3% of homes nearby

How 421 Union Ln ranks against every home in each area.
MeasureThis homeBrielle 08730Monmouth County
Estimated valuepricier than$1,481,64172% of homes88% of homes
Price per ft²pricier than$3733% of homes43% of homes
Living areabigger than3,968 ft²92% of homes94% of homes
Lot sizebigger than0.33 ac56% of homes61% of homes
Year builtnewer than19003% of homesalmost no homes

About 421 Union Ln

How much is 421 Union Ln, Brielle, NJ worth?

The TopHap Estimate for 421 Union Ln, Brielle, NJ is $1,481,641 as of Sep 24, 2026. The likely range is $1,159,074 to $1,804,208. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Union Ln, Brielle, NJ last sell?

421 Union Ln, Brielle, NJ last sold on Jul 7, 2000 for $200,000, according to the county's recorded deed.

How big is 421 Union Ln, Brielle, NJ?

421 Union Ln, Brielle, NJ has 4 bedrooms, 1.5 bathrooms, 3,968 square feet of living space and a 0.33-acre lot.

When was 421 Union Ln, Brielle, NJ built?

421 Union Ln, Brielle, NJ was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 421 Union Ln, Brielle, NJ?

421 Union Ln, Brielle, NJ is assigned to Brielle Elementary School (elementary), rated A; Manasquan High School (high), rated B-. All sit in Brielle Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Union Ln, Brielle, NJ compare to other homes in Brielle 08730?

Among the 2,008 homes in Brielle 08730, it is worth more than 72% of them ($1,481,641 against a typical $1,208,970), its price per square foot is higher than 3% of them ($373 against a typical $554), it is bigger than 92% of them (3,968 ft² against a typical 2,122 ft²), its lot is bigger than 56% of them (0.33 ac against a typical 0.28 ac) and it is newer than 3% of them (1900 against a typical 1970). Measured against all of Monmouth County, it is worth more than 88% 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 421 Union Ln, Brielle, NJ?

The 2025 property tax bill for 421 Union Ln, Brielle, NJ was $17,185. The county assessed it at $1,445,200.

More homes on Union Ln

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