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Single Family ResidenceResidential
$508,879$242 / 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 Jul 14, 2026

20 GASTON AVE

RARITAN, NJ 08869
0
Baths
2,104 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$509K
$480K low$538K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,191 (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.$335,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$176,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$158,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$335,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$335,000

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.54
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
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.
94
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.25 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.46
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

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

E
John F. Kennedy Elementary SchoolB-
Elementary · Grades KG–4 · 0.5 mi
H
Bridgewater-Raritan Regional High SchoolB+
High · Grades 9–12 · 1.8 mi
M
Bridgewater-Raritan Regional Middle SchoolB+
Middle · Grades 7–8 · 3.0 mi

District: Bridgewater-Raritan Regional School District

Neighborhood · ZIP 08869These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
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.8,217
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,269 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,594
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,038
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

20 Gaston 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 73% of homes in Somerset County
  • Costs less per square foot than 96% of homes in Somerset County
  • Bigger than 73% of homes in Raritan 08869
  • Has a bigger lot than 95% of homes in Raritan 08869
  • Older than 95% of homes in Somerset County

What homes are worth in Raritan 08869

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

This home
$354K$883K

This home is worth more than 39% of homes in Raritan 08869.

How it measures up in Raritan 08869

The dot is this home. The mark in the middle is the typical home in Raritan 08869.

Estimated value$508,879
CheaperTypical $537,505Pricier

Pricier than 39% of homes nearby

Price per ft²$242
CheaperTypical $326Pricier

Pricier than 10% of homes nearby

Living area2,104 ft²
SmallerTypical 1,636 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.46 ac
SmallerTypical 0.18 acBigger

Bigger than 95% of homes nearby

Year built1920
OlderTypical 1956Newer

Newer than 22% of homes nearby

How 20 Gaston Ave ranks against every home in each area.
MeasureThis homeRaritan 08869Somerset County
Estimated valuepricier than$508,87939% of homes27% of homes
Price per ft²pricier than$24210% of homes4% of homes
Living areabigger than2,104 ft²73% of homes57% of homes
Lot sizebigger than0.46 ac95% of homes63% of homes
Year builtnewer than192022% of homes5% of homes

About 20 Gaston Ave

How much is 20 Gaston Ave, Raritan, NJ worth?

The TopHap Estimate for 20 Gaston Ave, Raritan, NJ is $508,879 as of Jul 14, 2026. The likely range is $480,036 to $537,722. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Gaston Ave, Raritan, NJ last sell?

20 Gaston Ave, Raritan, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 20 Gaston Ave, Raritan, NJ?

20 Gaston Ave, Raritan, NJ has 2,104 square feet of living space and a 0.46-acre lot.

When was 20 Gaston Ave, Raritan, NJ built?

20 Gaston Ave, Raritan, NJ was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 20 Gaston Ave, Raritan, NJ?

20 Gaston Ave, Raritan, NJ is assigned to John F. Kennedy Elementary School (elementary), rated B-; Bridgewater-Raritan Regional High School (high), rated B+; Bridgewater-Raritan Regional Middle School (middle), rated B+. All sit in Bridgewater-Raritan Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Gaston Ave, Raritan, NJ compare to other homes in Raritan 08869?

Among the 1,947 homes in Raritan 08869, it is worth more than 39% of them ($508,879 against a typical $537,505), its price per square foot is higher than 10% of them ($242 against a typical $326), it is bigger than 73% of them (2,104 ft² against a typical 1,636 ft²), its lot is bigger than 95% of them (0.46 ac against a typical 0.18 ac) and it is newer than 22% of them (1920 against a typical 1956). Measured against all of Somerset County, it is worth more than 27% 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 20 Gaston Ave, Raritan, NJ?

The 2025 property tax bill for 20 Gaston Ave, Raritan, NJ was $10,191. The county assessed it at $335,000.

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