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Single Family ResidenceResidential
$568,684$220 / 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 Aug 30, 2026
Last sold for $175,800 on Jul 5, 1988

21 SPRING MILL DR

SEWELL, NJ 08080
0
Baths
2,582 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.

Valuation

$569K
$532K low$605K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,800 · Jul 5, 1988

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,863 (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.$307,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$254,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$307,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$307,500

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.57
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
87
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
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.40 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Traditional/Old
CountyGLOUCESTER
Lot (acres)The size of the land the home sits on, from county records.0.19
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.

E
Hurffville Elementary SchoolA-
Elementary · Grades 1–5 · 0.1 mi
M
Chestnut Ridge Middle SchoolB-
Middle · Grades 6–8 · 0.4 mi
H
Washington Township High SchoolC+
High · Grades 9–12 · 1.6 mi

District: Washington Township School District

Neighborhood · ZIP 08080These 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.93
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.42,430
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,444 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,695
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,357
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

21 Spring Mill Dr 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 86% of homes in Gloucester County
  • Bigger than 84% of homes in Gloucester County
  • Has a smaller lot than 69% of homes in Gloucester County

What homes are worth in Sewell 08080

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

This home
$235K$842K

This home is worth more than 79% of homes in Sewell 08080.

How it measures up in Sewell 08080

The dot is this home. The mark in the middle is the typical home in Sewell 08080.

Estimated value$568,684
CheaperTypical $450,822Pricier

Pricier than 79% of homes nearby

Price per ft²$220
CheaperTypical $223Pricier

Pricier than 46% of homes nearby

Living area2,582 ft²
SmallerTypical 2,030 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.19 ac
SmallerTypical 0.24 acBigger

Bigger than 33% of homes nearby

Year built1988
OlderTypical 1987Newer

Newer than 59% of homes nearby

How 21 Spring Mill Dr ranks against every home in each area.
MeasureThis homeSewell 08080Gloucester County
Estimated valuepricier than$568,68479% of homes86% of homes
Price per ft²pricier than$22046% of homes51% of homes
Living areabigger than2,582 ft²76% of homes84% of homes
Lot sizebigger than0.19 ac33% of homes31% of homes
Year builtnewer than198859% of homes63% of homes

About 21 Spring Mill Dr

How much is 21 Spring Mill Dr, Sewell, NJ worth?

The TopHap Estimate for 21 Spring Mill Dr, Sewell, NJ is $568,684 as of Aug 30, 2026. The likely range is $532,099 to $605,269. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Spring Mill Dr, Sewell, NJ last sell?

21 Spring Mill Dr, Sewell, NJ last sold on Jul 5, 1988 for $175,800, according to the county's recorded deed.

How big is 21 Spring Mill Dr, Sewell, NJ?

21 Spring Mill Dr, Sewell, NJ has 2,582 square feet of living space and a 0.19-acre lot.

When was 21 Spring Mill Dr, Sewell, NJ built?

21 Spring Mill Dr, Sewell, NJ was built in 1988, making it 38 years old. It is a traditional/old home.

What schools serve 21 Spring Mill Dr, Sewell, NJ?

21 Spring Mill Dr, Sewell, NJ is assigned to Hurffville Elementary School (elementary), rated A-; Chestnut Ridge Middle School (middle), rated B-; Washington Township High School (high), rated C+. All sit in Washington Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Spring Mill Dr, Sewell, NJ compare to other homes in Sewell 08080?

Among the 13,178 homes in Sewell 08080, it is worth more than 79% of them ($568,684 against a typical $450,822), its price per square foot is higher than 46% of them ($220 against a typical $223), it is bigger than 76% of them (2,582 ft² against a typical 2,030 ft²), its lot is bigger than 33% of them (0.19 ac against a typical 0.24 ac) and it is newer than 59% of them (1988 against a typical 1987). Measured against all of Gloucester County, it is worth more than 86% 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 21 Spring Mill Dr, Sewell, NJ?

The 2025 property tax bill for 21 Spring Mill Dr, Sewell, NJ was $11,863. The county assessed it at $307,500.

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