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Single Family ResidenceResidential
$859,437$304 / 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 97How 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

133 DIAMOND SPRING DR

MONROE TOWNSHIP, NJ 08831
0
Baths
2,830 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.
9 ft²
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.

Valuation

$859K
$829K low$889K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,625 (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.$399,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$319,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$399,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$399,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMIDDLESEX
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.

E
Oak Tree Elementary SchoolA+
Elementary · Grades PK–3 · 0.7 mi
M
Monroe Township Middle SchoolA-
Middle · Grades 6–8 · 2.4 mi
H
Monroe Township High SchoolB
High · Grades 9–12 · 2.8 mi

District: Monroe Township School District

Neighborhood · ZIP 08831These 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.58
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.1%
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.58,546
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,176 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$116,679
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$146,555
Average tempThe average temperature here across a full year.53°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

133 Diamond Spring 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 Middlesex County
  • Costs less per square foot than 80% of homes in Middlesex County
  • Bigger than 90% of homes in Middlesex County
  • Has a smaller lot than 97% of homes in Middlesex County
  • Newer than 96% of homes in Middlesex County

What homes are worth in Monroe Township 08831

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

This home
$239K$1.5M

This home is worth more than 72% of homes in Monroe Township 08831.

How it measures up in Monroe Township 08831

The dot is this home. The mark in the middle is the typical home in Monroe Township 08831.

Estimated value$859,437
CheaperTypical $658,726Pricier

Pricier than 72% of homes nearby

Price per ft²$304
CheaperTypical $322Pricier

Pricier than 40% of homes nearby

Living area2,830 ft²
SmallerTypical 1,958 ft²Bigger

Bigger than 79% of homes nearby

Lot size9 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 24% of homes nearby

Year built2014
OlderTypical 1996Newer

Newer than 87% of homes nearby

How 133 Diamond Spring Dr ranks against every home in each area.
MeasureThis homeMonroe Township 08831Middlesex County
Estimated valuepricier than$859,43772% of homes86% of homes
Price per ft²pricier than$30440% of homes20% of homes
Living areabigger than2,830 ft²79% of homes90% of homes
Lot sizebigger than9 ft²24% of homes3% of homes
Year builtnewer than201487% of homes96% of homes

About 133 Diamond Spring Dr

How much is 133 Diamond Spring Dr, Monroe Township, NJ worth?

The TopHap Estimate for 133 Diamond Spring Dr, Monroe Township, NJ is $859,437 as of Aug 30, 2026. The likely range is $829,465 to $889,409. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 133 Diamond Spring Dr, Monroe Township, NJ last sell?

133 Diamond Spring Dr, Monroe Township, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 133 Diamond Spring Dr, Monroe Township, NJ built?

133 Diamond Spring Dr, Monroe Township, NJ was built in 2014, making it 12 years old.

What schools serve 133 Diamond Spring Dr, Monroe Township, NJ?

133 Diamond Spring Dr, Monroe Township, NJ is assigned to Oak Tree Elementary School (elementary), rated A+; Monroe Township Middle School (middle), rated A-; Monroe Township High School (high), rated B. All sit in Monroe Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 133 Diamond Spring Dr, Monroe Township, NJ compare to other homes in Monroe Township 08831?

Among the 24,017 homes in Monroe Township 08831, it is worth more than 72% of them ($859,437 against a typical $658,726), its price per square foot is higher than 40% of them ($304 against a typical $322), it is bigger than 79% of them (2,830 ft² against a typical 1,958 ft²), its lot is bigger than 24% of them (9 ft² against a typical 1,568 ft²) and it is newer than 87% of them (2014 against a typical 1996). Measured against all of Middlesex 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 133 Diamond Spring Dr, Monroe Township, NJ?

The 2025 property tax bill for 133 Diamond Spring Dr, Monroe Township, NJ was $11,625. The county assessed it at $399,900.

More homes on Diamond Spring Dr

Closest homes

More homes in Monroe Township 08831

Assigned schools

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