Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$701,995$313 / 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 89How 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 $235,000 on Feb 5, 2001

21 ASHMALL AVE

MONROE TOWNSHIP, NJ 08831
0
Baths
2,244 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2001
Year BuiltThe year the home was originally built, according to county records.

Valuation

$702K
$625K low$779K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$235,000 · Feb 5, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,358 (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.$395,200 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$142,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$253,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$395,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$395,200

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
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.
92
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.

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
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.23
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
Mill Lake Elementary SchoolB
Elementary · Grades PK–2 · 0.8 mi
H
Monroe Township High SchoolB
High · Grades 9–12 · 4.3 mi
M
Monroe Township Middle SchoolA-
Middle · Grades 6–8 · 4.7 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%

Owner Tools

Do you own this home?
Claim this home

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 Ashmall 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 more than 72% of homes in Middlesex County
  • Costs less per square foot than 76% of homes in Middlesex County
  • Bigger than 78% of homes in Middlesex County
  • Has a bigger lot than 81% of homes in Monroe Township 08831
  • Newer than 88% 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
$235K$1.5M

This home is worth more than 57% 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$701,995
CheaperTypical $645,705Pricier

Pricier than 57% of homes nearby

Price per ft²$313
CheaperTypical $318Pricier

Pricier than 46% of homes nearby

Living area2,244 ft²
SmallerTypical 1,964 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.23 ac
SmallerTypical 1,568 ft²Bigger

Bigger than 81% of homes nearby

Year built2001
OlderTypical 1996Newer

Newer than 62% of homes nearby

How 21 Ashmall Ave ranks against every home in each area.
MeasureThis homeMonroe Township 08831Middlesex County
Estimated valuepricier than$701,99557% of homes72% of homes
Price per ft²pricier than$31346% of homes24% of homes
Living areabigger than2,244 ft²61% of homes78% of homes
Lot sizebigger than0.23 ac81% of homes71% of homes
Year builtnewer than200162% of homes88% of homes

About 21 Ashmall Ave

How much is 21 Ashmall Ave, Monroe Township, NJ worth?

The TopHap Estimate for 21 Ashmall Ave, Monroe Township, NJ is $701,995 as of Sep 24, 2026. The likely range is $625,270 to $778,720. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Ashmall Ave, Monroe Township, NJ last sell?

21 Ashmall Ave, Monroe Township, NJ last sold on Feb 5, 2001 for $235,000, according to the county's recorded deed.

How big is 21 Ashmall Ave, Monroe Township, NJ?

21 Ashmall Ave, Monroe Township, NJ has 2,244 square feet of living space and a 0.23-acre lot.

When was 21 Ashmall Ave, Monroe Township, NJ built?

21 Ashmall Ave, Monroe Township, NJ was built in 2001, making it 25 years old.

What schools serve 21 Ashmall Ave, Monroe Township, NJ?

21 Ashmall Ave, Monroe Township, NJ is assigned to Mill Lake Elementary School (elementary), rated B; Monroe Township High School (high), rated B; Monroe Township Middle School (middle), rated A-. All sit in Monroe Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Ashmall Ave, 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 57% of them ($701,995 against a typical $645,705), its price per square foot is higher than 46% of them ($313 against a typical $318), it is bigger than 61% of them (2,244 ft² against a typical 1,964 ft²), its lot is bigger than 81% of them (0.23 ac against a typical 1,568 ft²) and it is newer than 62% of them (2001 against a typical 1996). Measured against all of Middlesex County, it is worth more than 72% 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 Ashmall Ave, Monroe Township, NJ?

The 2025 property tax bill for 21 Ashmall Ave, Monroe Township, NJ was $11,358. The county assessed it at $395,200.

More homes on Ashmall Ave

Closest homes

More homes in Monroe Township 08831

Assigned schools

Explore the area

See this home in context

Open 21 Ashmall Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map