Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$461,409$216 / 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

511 ERVEY RD

ANDOVER, NJ 07821
0
Baths
2,138 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.
1.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$461K
$423K low$500K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,951 (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.$246,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$98,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$148,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$246,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$246,400

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.10
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
21
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyWARREN
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

M
Allamuchy Township Elementary SchoolB
Middle · Grades 2–8 · 1.8 mi
E
Mountain Villa Elementary School
Elementary · Grades PK–1 · 2.4 mi
H
Hackettstown High SchoolC+
High · Grades 9–12 · 7.1 mi

District: Hackettstown Town School District

Neighborhood · ZIP 07821These 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.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.11,080
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.246 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,971
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,119
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

511 Ervey Rd 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.

  • Costs less per square foot than 87% of homes in Andover 07821
  • Bigger than 71% of homes in Warren County
  • Has a bigger lot than 76% of homes in Warren County

What homes are worth in Andover 07821

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

This home
$173K$996K

This home is worth more than 43% of homes in Andover 07821.

How it measures up in Andover 07821

The dot is this home. The mark in the middle is the typical home in Andover 07821.

Estimated value$461,409
CheaperTypical $489,005Pricier

Pricier than 43% of homes nearby

Price per ft²$216
CheaperTypical $275Pricier

Pricier than 13% of homes nearby

Living area2,138 ft²
SmallerTypical 1,864 ft²Bigger

Bigger than 65% of homes nearby

Lot size1.12 ac
SmallerTypical 0.5 acBigger

Bigger than 69% of homes nearby

Year built1969
OlderTypical 1973Newer

Newer than 38% of homes nearby

How 511 Ervey Rd ranks against every home in each area.
MeasureThis homeAndover 07821Warren County
Estimated valuepricier than$461,40943% of homes61% of homes
Price per ft²pricier than$21613% of homes28% of homes
Living areabigger than2,138 ft²65% of homes71% of homes
Lot sizebigger than1.12 ac69% of homes76% of homes
Year builtnewer than196938% of homes49% of homes

About 511 Ervey Rd

How much is 511 Ervey Rd, Andover, NJ worth?

The TopHap Estimate for 511 Ervey Rd, Andover, NJ is $461,409 as of Sep 24, 2026. The likely range is $422,827 to $499,992. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 511 Ervey Rd, Andover, NJ last sell?

511 Ervey Rd, Andover, NJ last sold on Jan 1, 1900, according to the county's recorded deed.

When was 511 Ervey Rd, Andover, NJ built?

511 Ervey Rd, Andover, NJ was built in 1969, making it 57 years old. It is a ranch home. The building has 1 story.

What schools serve 511 Ervey Rd, Andover, NJ?

511 Ervey Rd, Andover, NJ is assigned to Allamuchy Township Elementary School (middle), rated B; Mountain Villa Elementary School (elementary); Hackettstown High School (high), rated C+. All sit in Hackettstown Town School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 511 Ervey Rd, Andover, NJ compare to other homes in Andover 07821?

Among the 3,729 homes in Andover 07821, it is worth more than 43% of them ($461,409 against a typical $489,005), its price per square foot is higher than 13% of them ($216 against a typical $275), it is bigger than 65% of them (2,138 ft² against a typical 1,864 ft²), its lot is bigger than 69% of them (1.12 ac against a typical 0.5 ac) and it is newer than 38% of them (1969 against a typical 1973). Measured against all of Warren County, it is worth more than 61% 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 511 Ervey Rd, Andover, NJ?

The 2025 property tax bill for 511 Ervey Rd, Andover, NJ was $7,951. The county assessed it at $246,400.

More homes on Ervey Rd

Closest homes

More homes in Andover 07821

Assigned schools

Explore the area

See this home in context

Open 511 Ervey Rd 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