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Single Family ResidenceResidential
$385,728$643 / 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 85How 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

39A SEAFOAM AVE

WINFIELD, NJ
0
Baths
600 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.
751 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$386K
$329K low$442K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,191 (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.$17,900 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$17,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.02
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Winfield Township SchoolC-
Elementary · Grades PK–8 · 0.3 mi
H
David Bearley Middle/High SchoolC-
High · Grades 7–12 · 3.3 mi

District: Winfield Township School District

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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

39a Seafoam 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 96% of homes in Union County
  • Costs more per square foot than 94% of homes in Union County
  • Among the smallest homes in Union County
  • Has a smaller lot than 98% of homes in Union County

How it measures up in Union County

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

Estimated value$385,728
CheaperTypical $651,692Pricier

Pricier than 4% of homes nearby

Price per ft²$643
CheaperTypical $405Pricier

Pricier than 94% of homes nearby

Living area600 ft²
SmallerTypical 1,768 ft²Bigger

Smaller than almost all homes nearby

Lot size751 ft²
SmallerTypical 0.14 acBigger

Bigger than 2% of homes nearby

How 39a Seafoam Ave ranks against every home in each area.
MeasureThis homeUnion County
Estimated valuepricier than$385,7284% of homes
Price per ft²pricier than$64394% of homes
Living areabigger than600 ft²almost no homes
Lot sizebigger than751 ft²2% of homes

About 39a Seafoam Ave

How much is 39a Seafoam Ave, Winfield, NJ worth?

The TopHap Estimate for 39a Seafoam Ave, Winfield, NJ is $385,728 as of Sep 24, 2026. The likely range is $329,377 to $442,079. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 39a Seafoam Ave, Winfield, NJ last sell?

39a Seafoam Ave, Winfield, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 39a Seafoam Ave, Winfield, NJ?

39a Seafoam Ave, Winfield, NJ has 600 square feet of living space and a 0.02-acre lot.

What schools serve 39a Seafoam Ave, Winfield, NJ?

39a Seafoam Ave, Winfield, NJ is assigned to Winfield Township School (elementary), rated C-; David Bearley Middle/High School (high), rated C-. All sit in Winfield Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 39a Seafoam Ave, Winfield, NJ compare to other homes in Union County?

Among the 134,723 homes in Union County, it is worth more than 4% of them ($385,728 against a typical $651,692), its price per square foot is higher than 94% of them ($643 against a typical $405), it is bigger than almost none of them (600 ft² against a typical 1,768 ft²) and its lot is bigger than 2% of them (751 ft² against a typical 0.14 ac). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 39a Seafoam Ave, Winfield, NJ?

The 2025 property tax bill for 39a Seafoam Ave, Winfield, NJ was $4,191. The county assessed it at $17,900.

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