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Single Family ResidenceResidential
$707,192$330 / 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

1820 WASHINGTON VALLEY RD

MARTINSVILLE, NJ 08836
0
Baths
2,146 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.

Valuation

$707K
$667K low$747K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,140 (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.$663,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$242,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$421,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$578,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$663,400

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
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
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.

Foreclosure Filings(2)

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

E
Crim Elementary SchoolA-
Elementary · Grades KG–4 · 1.1 mi
M
Bridgewater-Raritan Regional Middle SchoolA-
Middle · Grades 7–8 · 1.8 mi
H
Bridgewater-Raritan Regional High SchoolB
High · Grades 9–12 · 3.3 mi

District: Bridgewater-Raritan Regional School District

Neighborhood · ZIP 08836These 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.48
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 100.101

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.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.4,433
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.933 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$189,037
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$232,855
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

1820 Washington Valley Rd 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 80% of homes in Martinsville 08836
  • Costs less per square foot than 70% of homes in Martinsville 08836
  • Smaller than 65% of homes in Martinsville 08836
  • Has a bigger lot than 88% of homes in Somerset County
  • Newer than 96% of homes in Martinsville 08836

What homes are worth in Martinsville 08836

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

This home
$517K$1.9M

This home is worth more than 20% of homes in Martinsville 08836.

How it measures up in Martinsville 08836

The dot is this home. The mark in the middle is the typical home in Martinsville 08836.

Estimated value$707,192
CheaperTypical $862,055Pricier

Pricier than 20% of homes nearby

Price per ft²$330
CheaperTypical $358Pricier

Pricier than 30% of homes nearby

Living area2,146 ft²
SmallerTypical 2,441 ft²Bigger

Bigger than 35% of homes nearby

Lot size1.4 ac
SmallerTypical 1.02 acBigger

Bigger than 80% of homes nearby

Year built2002
OlderTypical 1966Newer

Newer than 96% of homes nearby

How 1820 Washington Valley Rd ranks against every home in each area.
MeasureThis homeMartinsville 08836Somerset County
Estimated valuepricier than$707,19220% of homes55% of homes
Price per ft²pricier than$33030% of homes36% of homes
Living areabigger than2,146 ft²35% of homes59% of homes
Lot sizebigger than1.4 ac80% of homes88% of homes
Year builtnewer than200296% of homes90% of homes

About 1820 Washington Valley Rd

How much is 1820 Washington Valley Rd, Martinsville, NJ worth?

The TopHap Estimate for 1820 Washington Valley Rd, Martinsville, NJ is $707,192 as of Sep 24, 2026. The likely range is $667,175 to $747,209. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1820 Washington Valley Rd, Martinsville, NJ last sell?

1820 Washington Valley Rd, Martinsville, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 1820 Washington Valley Rd, Martinsville, NJ built?

1820 Washington Valley Rd, Martinsville, NJ was built in 2002, making it 24 years old.

What schools serve 1820 Washington Valley Rd, Martinsville, NJ?

1820 Washington Valley Rd, Martinsville, NJ is assigned to Crim Elementary School (elementary), rated A-; Bridgewater-Raritan Regional Middle School (middle), rated A-; Bridgewater-Raritan Regional High School (high), rated B. All sit in Bridgewater-Raritan Regional School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1820 Washington Valley Rd, Martinsville, NJ compare to other homes in Martinsville 08836?

Among the 1,338 homes in Martinsville 08836, it is worth more than 20% of them ($707,192 against a typical $862,055), its price per square foot is higher than 30% of them ($330 against a typical $358), it is bigger than 35% of them (2,146 ft² against a typical 2,441 ft²), its lot is bigger than 80% of them (1.4 ac against a typical 1.02 ac) and it is newer than 96% of them (2002 against a typical 1966). Measured against all of Somerset County, it is worth more than 55% 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 1820 Washington Valley Rd, Martinsville, NJ?

The 2025 property tax bill for 1820 Washington Valley Rd, Martinsville, NJ was $11,140. The county assessed it at $663,400.

More homes on Washington Valley Rd

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Assigned schools

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