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Single Family ResidenceResidential
$575,890$401 / 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 Sep 24, 2026
Last sold for $439,500 on May 6, 2020

257 GROVE ST

SOMERVILLE, NJ 08876
0
Baths
1,436 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1935
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$576K
$541K low$611K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$439,500 · May 6, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,646 (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.$285,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$128,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$156,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$285,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,500

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
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
CountySOMERSET
Lot (acres)The size of the land the home sits on, from county records.0.18
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.

H
Somerville High SchoolC-
High · Grades 9–12 · 0.3 mi
M
Somerville Middle SchoolC
Middle · Grades 6–8 · 0.5 mi
E
Van Derveer Elementary SchoolC
Elementary · Grades PK–5 · 0.6 mi

District: Somerville Borough School District

Neighborhood · ZIP 08876These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.90

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.24,529
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,565 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$120,679
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,566
Average tempThe average temperature here across a full year.52°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

257 Grove St 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.

  • Costs more per square foot than 84% of homes in Somerville 08876
  • Smaller than 73% of homes in Somerset County
  • Older than 90% of homes in Somerset County

What homes are worth in Somerville 08876

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

This home
$356K$1.2M

This home is worth more than 42% of homes in Somerville 08876.

How it measures up in Somerville 08876

The dot is this home. The mark in the middle is the typical home in Somerville 08876.

Estimated value$575,890
CheaperTypical $606,935Pricier

Pricier than 42% of homes nearby

Price per ft²$401
CheaperTypical $344Pricier

Pricier than 84% of homes nearby

Living area1,436 ft²
SmallerTypical 1,804 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.18 ac
SmallerTypical 0.21 acBigger

Bigger than 40% of homes nearby

Year built1935
OlderTypical 1968Newer

Newer than 18% of homes nearby

How 257 Grove St ranks against every home in each area.
MeasureThis homeSomerville 08876Somerset County
Estimated valuepricier than$575,89042% of homes38% of homes
Price per ft²pricier than$40184% of homes75% of homes
Living areabigger than1,436 ft²28% of homes27% of homes
Lot sizebigger than0.18 ac40% of homes40% of homes
Year builtnewer than193518% of homes10% of homes

About 257 Grove St

How much is 257 Grove St, Somerville, NJ worth?

The TopHap Estimate for 257 Grove St, Somerville, NJ is $575,890 as of Sep 24, 2026. The likely range is $540,747 to $611,033. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 257 Grove St, Somerville, NJ last sell?

257 Grove St, Somerville, NJ last sold on May 6, 2020 for $439,500, according to the county's recorded deed.

How big is 257 Grove St, Somerville, NJ?

257 Grove St, Somerville, NJ has 1,436 square feet of living space and a 0.18-acre lot.

When was 257 Grove St, Somerville, NJ built?

257 Grove St, Somerville, NJ was built in 1935, making it 91 years old. The building has 2 stories.

What schools serve 257 Grove St, Somerville, NJ?

257 Grove St, Somerville, NJ is assigned to Somerville High School (high), rated C-; Somerville Middle School (middle), rated C; Van Derveer Elementary School (elementary), rated C. All sit in Somerville Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 257 Grove St, Somerville, NJ compare to other homes in Somerville 08876?

Among the 6,269 homes in Somerville 08876, it is worth more than 42% of them ($575,890 against a typical $606,935), its price per square foot is higher than 84% of them ($401 against a typical $344), it is bigger than 28% of them (1,436 ft² against a typical 1,804 ft²), its lot is bigger than 40% of them (0.18 ac against a typical 0.21 ac) and it is newer than 18% of them (1935 against a typical 1968). Measured against all of Somerset County, it is worth more than 38% 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 257 Grove St, Somerville, NJ?

The 2025 property tax bill for 257 Grove St, Somerville, NJ was $11,646. The county assessed it at $285,500.

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