Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$549,455$204 / 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 91How 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

30 MERTZ AVE

HILLSIDE, NJ 07205
0
Baths
2,690 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1894
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$549K
$502K low$596K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,462 (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.$128,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$58,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$128,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyUNION
Lot (acres)The size of the land the home sits on, from county records.0.17
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.

M
Krumbiegel Middle SchoolD-
Middle · Grades 6–8 · 0.3 mi
E
Morris Early Childhood Center
Elementary · Grades PK–1 · 0.5 mi
H
Hillside High SchoolD
High · Grades 9–12 · 1.1 mi

District: Hillside Township School District

Neighborhood · ZIP 07205These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.108

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.22,864
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,391 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,810
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,567
Average tempThe average temperature here across a full year.54°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

30 Mertz 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 72% of homes in Union County
  • Among the lowest price per square foot in Union County
  • Bigger than 89% of homes in Hillside 07205
  • Has a bigger lot than 87% of homes in Hillside 07205
  • Among the oldest homes in Hillside 07205

What homes are worth in Hillside 07205

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

This home
$312K$828K

This home is worth more than 58% of homes in Hillside 07205.

How it measures up in Hillside 07205

The dot is this home. The mark in the middle is the typical home in Hillside 07205.

Estimated value$549,455
CheaperTypical $531,956Pricier

Pricier than 58% of homes nearby

Price per ft²$204
CheaperTypical $324Pricier

Pricier than 5% of homes nearby

Living area2,690 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.17 ac
SmallerTypical 4,182 ft²Bigger

Bigger than 87% of homes nearby

Year built1894
OlderTypical 1929Newer

Older than almost all homes nearby

How 30 Mertz Ave ranks against every home in each area.
MeasureThis homeHillside 07205Union County
Estimated valuepricier than$549,45558% of homes28% of homes
Price per ft²pricier than$2045% of homesalmost no homes
Living areabigger than2,690 ft²89% of homes83% of homes
Lot sizebigger than0.17 ac87% of homes62% of homes
Year builtnewer than1894almost no homes2% of homes

About 30 Mertz Ave

How much is 30 Mertz Ave, Hillside, NJ worth?

The TopHap Estimate for 30 Mertz Ave, Hillside, NJ is $549,455 as of Sep 24, 2026. The likely range is $502,458 to $596,452. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 30 Mertz Ave, Hillside, NJ last sell?

30 Mertz Ave, Hillside, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 30 Mertz Ave, Hillside, NJ?

30 Mertz Ave, Hillside, NJ has 2,690 square feet of living space and a 0.17-acre lot.

When was 30 Mertz Ave, Hillside, NJ built?

30 Mertz Ave, Hillside, NJ was built in 1894, making it 132 years old. It is a colonial home. The building has 2 stories.

What schools serve 30 Mertz Ave, Hillside, NJ?

30 Mertz Ave, Hillside, NJ is assigned to Krumbiegel Middle School (middle), rated D-; Morris Early Childhood Center (elementary); Hillside High School (high), rated D. All sit in Hillside Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 30 Mertz Ave, Hillside, NJ compare to other homes in Hillside 07205?

Among the 5,784 homes in Hillside 07205, it is worth more than 58% of them ($549,455 against a typical $531,956), its price per square foot is higher than 5% of them ($204 against a typical $324), it is bigger than 89% of them (2,690 ft² against a typical 1,620 ft²), its lot is bigger than 87% of them (0.17 ac against a typical 4,182 ft²) and it is newer than almost none of them (1894 against a typical 1929). Measured against all of Union County, it is worth more than 28% 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 30 Mertz Ave, Hillside, NJ?

The 2025 property tax bill for 30 Mertz Ave, Hillside, NJ was $11,462. The county assessed it at $128,800.

More homes on Mertz Ave

Closest homes

More homes in Hillside 07205

Assigned schools

Explore the area

See this home in context

Open 30 Mertz 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