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Single Family ResidenceResidential
$596,911$366 / 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 95How 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
Last sold for $267,000 on Jan 8, 2003

21 RIVIERA DR

SOMERVILLE, NJ 08876
0
Baths
1,632 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$597K
$567K low$627K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$267,000 · Jan 8, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,828 (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.$314,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$124,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$190,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$314,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$314,500

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.56
68
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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.0.20
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(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.

H
Somerville High SchoolC-
High · Grades 9–12 · 0.5 mi
E
Van Derveer Elementary SchoolC
Elementary · Grades PK–5 · 0.6 mi
M
Somerville Middle SchoolC
Middle · Grades 6–8 · 0.7 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%

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

21 Riviera 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.

  • Costs more per square foot than 71% of homes in Somerville 08876
  • Older than 72% 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
$349K$1.3M

This home is worth more than 50% 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$596,911
CheaperTypical $596,948Pricier

Pricier than 50% of homes nearby

Price per ft²$366
CheaperTypical $341Pricier

Pricier than 71% of homes nearby

Living area1,632 ft²
SmallerTypical 1,804 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.2 ac
SmallerTypical 0.21 acBigger

Bigger than 48% of homes nearby

Year built1960
OlderTypical 1968Newer

Newer than 40% of homes nearby

How 21 Riviera Dr ranks against every home in each area.
MeasureThis homeSomerville 08876Somerset County
Estimated valuepricier than$596,91150% of homes41% of homes
Price per ft²pricier than$36671% of homes59% of homes
Living areabigger than1,632 ft²38% of homes37% of homes
Lot sizebigger than0.2 ac48% of homes44% of homes
Year builtnewer than196040% of homes28% of homes

About 21 Riviera Dr

How much is 21 Riviera Dr, Somerville, NJ worth?

The TopHap Estimate for 21 Riviera Dr, Somerville, NJ is $596,911 as of Jul 14, 2026. The likely range is $567,015 to $626,807. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Riviera Dr, Somerville, NJ last sell?

21 Riviera Dr, Somerville, NJ last sold on Jan 8, 2003 for $267,000, according to the county's recorded deed.

How big is 21 Riviera Dr, Somerville, NJ?

21 Riviera Dr, Somerville, NJ has 1,632 square feet of living space and a 0.20-acre lot.

When was 21 Riviera Dr, Somerville, NJ built?

21 Riviera Dr, Somerville, NJ was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 21 Riviera Dr, Somerville, NJ?

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

How does 21 Riviera Dr, Somerville, NJ compare to other homes in Somerville 08876?

Among the 6,269 homes in Somerville 08876, it is worth more than 50% of them ($596,911 against a typical $596,948), its price per square foot is higher than 71% of them ($366 against a typical $341), it is bigger than 38% of them (1,632 ft² against a typical 1,804 ft²), its lot is bigger than 48% of them (0.2 ac against a typical 0.21 ac) and it is newer than 40% of them (1960 against a typical 1968). Measured against all of Somerset County, it is worth more than 41% 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 Riviera Dr, Somerville, NJ?

The 2025 property tax bill for 21 Riviera Dr, Somerville, NJ was $12,828. The county assessed it at $314,500.

More homes on Riviera Dr

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Assigned schools

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