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Single Family ResidenceResidential
$885,360$315 / 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 Jul 14, 2026
Last sold for $789,000 on Jan 8, 2025

4 CRYSTAL ROCK RD

SPARTA, NJ 07871
0
Baths
2,808 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.
1.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
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

$885K
$817K low$953K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$789,000 · Jan 8, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,061 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$573,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$151,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$422,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$538,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$573,800

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
98
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.
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
CountyMORRIS
ConstructionThe main material the home's frame and walls are built from.Frame (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
Jefferson Township Middle SchoolB+
Middle · Grades 6–8 · 1.3 mi
H
Jefferson Township High SchoolC-
High · Grades 9–12 · 1.3 mi
E
Cozy Lake Elementary School
Elementary · Grades 1–2 · 3.7 mi

District: Jefferson Township School District

Neighborhood · ZIP 07871These 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.17
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.96

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
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.21,461
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.530 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$163,529
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$191,626
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%

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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

4 Crystal Rock 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.

  • Worth more than 77% of homes in Sparta 07871
  • Costs less per square foot than 73% of homes in Morris County
  • Bigger than 79% of homes in Morris County
  • Has a bigger lot than 87% of homes in Morris County
  • Newer than 90% of homes in Sparta 07871

What homes are worth in Sparta 07871

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

This home
$133K$1.7M

This home is worth more than 77% of homes in Sparta 07871.

How it measures up in Sparta 07871

The dot is this home. The mark in the middle is the typical home in Sparta 07871.

Estimated value$885,360
CheaperTypical $628,509Pricier

Pricier than 77% of homes nearby

Price per ft²$315
CheaperTypical $309Pricier

Pricier than 53% of homes nearby

Living area2,808 ft²
SmallerTypical 2,080 ft²Bigger

Bigger than 73% of homes nearby

Lot size1.13 ac
SmallerTypical 0.48 acBigger

Bigger than 73% of homes nearby

Year built2002
OlderTypical 1973Newer

Newer than 90% of homes nearby

How 4 Crystal Rock Rd ranks against every home in each area.
MeasureThis homeSparta 07871Morris County
Estimated valuepricier than$885,36077% of homes70% of homes
Price per ft²pricier than$31553% of homes27% of homes
Living areabigger than2,808 ft²73% of homes79% of homes
Lot sizebigger than1.13 ac73% of homes87% of homes
Year builtnewer than200290% of homes90% of homes

About 4 Crystal Rock Rd

How much is 4 Crystal Rock Rd, Sparta, NJ worth?

The TopHap Estimate for 4 Crystal Rock Rd, Sparta, NJ is $885,360 as of Jul 14, 2026. The likely range is $817,494 to $953,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Crystal Rock Rd, Sparta, NJ last sell?

4 Crystal Rock Rd, Sparta, NJ last sold on Jan 8, 2025 for $789,000, according to the county's recorded deed.

When was 4 Crystal Rock Rd, Sparta, NJ built?

4 Crystal Rock Rd, Sparta, NJ was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 4 Crystal Rock Rd, Sparta, NJ?

4 Crystal Rock Rd, Sparta, NJ is assigned to Jefferson Township Middle School (middle), rated B+; Jefferson Township High School (high), rated C-; Cozy Lake Elementary School (elementary). All sit in Jefferson Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Crystal Rock Rd, Sparta, NJ compare to other homes in Sparta 07871?

Among the 8,328 homes in Sparta 07871, it is worth more than 77% of them ($885,360 against a typical $628,509), its price per square foot is higher than 53% of them ($315 against a typical $309), it is bigger than 73% of them (2,808 ft² against a typical 2,080 ft²), its lot is bigger than 73% of them (1.13 ac against a typical 0.48 ac) and it is newer than 90% of them (2002 against a typical 1973). Measured against all of Morris County, it is worth more than 70% 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 4 Crystal Rock Rd, Sparta, NJ?

The 2024 property tax bill for 4 Crystal Rock Rd, Sparta, NJ was $16,061. The county assessed it at $573,800.

More homes on Crystal Rock Rd

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