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Single Family ResidenceResidential
$773,706$357 / 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 90How 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
Last sold for $495,000 on Oct 19, 2020

21 MONTGOMERY PL

BELLEVILLE, NJ 07109
0
Baths
2,166 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1897
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$774K
$694K low$854K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$495,000 · Oct 19, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,411 (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.$442,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$179,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$263,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$442,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$442,900

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.52
38
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
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.
47
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.18
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(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(1)

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

E
Belleville Ps10C+
Elementary · Grades PK–6 · 0.3 mi
H
Belleville High SchoolD-
High · Grades 9–12 · 1.2 mi
M
Belleville Middle SchoolD
Middle · Grades 7–8 · 1.3 mi

District: Belleville Town School District

Neighborhood · ZIP 07109These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.115

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.39,272
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.11,528 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,531
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,448
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

21 Montgomery Pl 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 93% of homes in Belleville 07109
  • Bigger than 80% of homes in Belleville 07109
  • Has a bigger lot than 79% of homes in Belleville 07109
  • Older than 94% of homes in Essex County

What homes are worth in Belleville 07109

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

This home
$237K$932K

This home is worth more than 93% of homes in Belleville 07109.

How it measures up in Belleville 07109

The dot is this home. The mark in the middle is the typical home in Belleville 07109.

Estimated value$773,706
CheaperTypical $555,193Pricier

Pricier than 93% of homes nearby

Price per ft²$357
CheaperTypical $364Pricier

Pricier than 47% of homes nearby

Living area2,166 ft²
SmallerTypical 1,497 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.18 ac
SmallerTypical 0.11 acBigger

Bigger than 79% of homes nearby

Year built1897
OlderTypical 1937Newer

Newer than 7% of homes nearby

How 21 Montgomery Pl ranks against every home in each area.
MeasureThis homeBelleville 07109Essex County
Estimated valuepricier than$773,70693% of homes60% of homes
Price per ft²pricier than$35747% of homes46% of homes
Living areabigger than2,166 ft²80% of homes54% of homes
Lot sizebigger than0.18 ac79% of homes62% of homes
Year builtnewer than18977% of homes6% of homes

About 21 Montgomery Pl

How much is 21 Montgomery Pl, Belleville, NJ worth?

The TopHap Estimate for 21 Montgomery Pl, Belleville, NJ is $773,706 as of Aug 30, 2026. The likely range is $693,789 to $853,623. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Montgomery Pl, Belleville, NJ last sell?

21 Montgomery Pl, Belleville, NJ last sold on Oct 19, 2020 for $495,000, according to the county's recorded deed.

How big is 21 Montgomery Pl, Belleville, NJ?

21 Montgomery Pl, Belleville, NJ has 2,166 square feet of living space and a 0.18-acre lot.

When was 21 Montgomery Pl, Belleville, NJ built?

21 Montgomery Pl, Belleville, NJ was built in 1897, making it 129 years old. The building has 2 stories.

What schools serve 21 Montgomery Pl, Belleville, NJ?

21 Montgomery Pl, Belleville, NJ is assigned to Belleville Ps10 (elementary), rated C+; Belleville High School (high), rated D-; Belleville Middle School (middle), rated D. All sit in Belleville Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Montgomery Pl, Belleville, NJ compare to other homes in Belleville 07109?

Among the 9,030 homes in Belleville 07109, it is worth more than 93% of them ($773,706 against a typical $555,193), its price per square foot is higher than 47% of them ($357 against a typical $364), it is bigger than 80% of them (2,166 ft² against a typical 1,497 ft²), its lot is bigger than 79% of them (0.18 ac against a typical 0.11 ac) and it is newer than 7% of them (1897 against a typical 1937). Measured against all of Essex County, it is worth more than 60% 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 Montgomery Pl, Belleville, NJ?

The 2025 property tax bill for 21 Montgomery Pl, Belleville, NJ was $18,411. The county assessed it at $442,900.

More homes on Montgomery Pl

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Assigned schools

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