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Single Family ResidenceResidential
$437,717$448 / 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 92How 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 $246,900 on Aug 13, 2018

421 GILES AVE

MIDDLESEX, NJ 08846
0
Baths
976 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$438K
$402K low$474K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$246,900 · Aug 13, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,622 (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.$420,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$285,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$406,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$420,600

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.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
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.

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.0.12
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.

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

E
Watchung Elementary SchoolA-
Elementary · Grades KG–3 · 0.3 mi
M
Von E. Mauger Middle SchoolC+
Middle · Grades 6–8 · 0.3 mi
H
Middlesex High SchoolC-
High · Grades 9–12 · 0.8 mi

District: Middlesex Borough School District

Neighborhood · ZIP 08846These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.99

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.15,047
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,267 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,430
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,542
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

421 Giles 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 less than 88% of homes in Middlesex 08846
  • Costs more per square foot than 90% of homes in Middlesex 08846
  • Smaller than 91% of homes in Middlesex 08846
  • Has a smaller lot than 90% of homes in Middlesex 08846
  • Older than 72% of homes in Middlesex County

What homes are worth in Middlesex 08846

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

This home
$284K$793K

This home is worth more than 12% of homes in Middlesex 08846.

How it measures up in Middlesex 08846

The dot is this home. The mark in the middle is the typical home in Middlesex 08846.

Estimated value$437,717
CheaperTypical $531,773Pricier

Pricier than 12% of homes nearby

Price per ft²$448
CheaperTypical $347Pricier

Pricier than 90% of homes nearby

Living area976 ft²
SmallerTypical 1,540 ft²Bigger

Bigger than 9% of homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 10% of homes nearby

Year built1952
OlderTypical 1955Newer

Newer than 38% of homes nearby

How 421 Giles Ave ranks against every home in each area.
MeasureThis homeMiddlesex 08846Middlesex County
Estimated valuepricier than$437,71712% of homes18% of homes
Price per ft²pricier than$44890% of homes85% of homes
Living areabigger than976 ft²9% of homes9% of homes
Lot sizebigger than0.11 ac10% of homes32% of homes
Year builtnewer than195238% of homes28% of homes

About 421 Giles Ave

How much is 421 Giles Ave, Middlesex, NJ worth?

The TopHap Estimate for 421 Giles Ave, Middlesex, NJ is $437,717 as of Sep 24, 2026. The likely range is $401,704 to $473,730. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Giles Ave, Middlesex, NJ last sell?

421 Giles Ave, Middlesex, NJ last sold on Aug 13, 2018 for $246,900, according to the county's recorded deed.

How big is 421 Giles Ave, Middlesex, NJ?

421 Giles Ave, Middlesex, NJ has 976 square feet of living space and a 0.12-acre lot.

When was 421 Giles Ave, Middlesex, NJ built?

421 Giles Ave, Middlesex, NJ was built in 1952, making it 74 years old. The building has 1 story.

What schools serve 421 Giles Ave, Middlesex, NJ?

421 Giles Ave, Middlesex, NJ is assigned to Watchung Elementary School (elementary), rated A-; Von E. Mauger Middle School (middle), rated C+; Middlesex High School (high), rated C-. All sit in Middlesex Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Giles Ave, Middlesex, NJ compare to other homes in Middlesex 08846?

Among the 4,200 homes in Middlesex 08846, it is worth more than 12% of them ($437,717 against a typical $531,773), its price per square foot is higher than 90% of them ($448 against a typical $347), it is bigger than 9% of them (976 ft² against a typical 1,540 ft²), its lot is bigger than 10% of them (0.11 ac against a typical 0.17 ac) and it is newer than 38% of them (1952 against a typical 1955). Measured against all of Middlesex County, it is worth more than 18% 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 421 Giles Ave, Middlesex, NJ?

The 2025 property tax bill for 421 Giles Ave, Middlesex, NJ was $8,622. The county assessed it at $420,600.

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