Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$449,613$230 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

817 ROCK LN

NEWARK, DE 19713
4
Beds
2.5
Baths
1,952 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$450K
$433K low$466K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,866 (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.$409,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$403,560

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.65
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
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.97 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.Colonial
CountyNEW CASTLE
Lot (acres)The size of the land the home sits on, from county records.0.55
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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(2)

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
West Park Place Elementary SchoolA
Elementary · Grades KG–5 · 1.5 mi
H
Newark High SchoolD+
High · Grades 9–12 · 2.1 mi
M
Shue-Medill Middle SchoolC-
Middle · Grades 6–8 · 4.0 mi

District: Christina School District

Neighborhood · ZIP 19713These 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.103
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 100.73

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.36,187
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,759 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,247
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,402
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.70%

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

817 Rock Ln 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 90% of homes in Newark 19713
  • Bigger than 83% of homes in Newark 19713
  • Has a bigger lot than 96% of homes in Newark 19713

What homes are worth in Newark 19713

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

This home
$158K$597K

This home is worth more than 90% of homes in Newark 19713.

How it measures up in Newark 19713

The dot is this home. The mark in the middle is the typical home in Newark 19713.

Estimated value$449,613
CheaperTypical $324,438Pricier

Pricier than 90% of homes nearby

Price per ft²$230
CheaperTypical $223Pricier

Pricier than 57% of homes nearby

Living area1,952 ft²
SmallerTypical 1,400 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.55 ac
SmallerTypical 0.19 acBigger

Bigger than 96% of homes nearby

Year built1971
OlderTypical 1969Newer

Newer than 57% of homes nearby

How 817 Rock Ln ranks against every home in each area.
MeasureThis homeNewark 19713New Castle County
Estimated valuepricier than$449,61390% of homes65% of homes
Price per ft²pricier than$23057% of homes60% of homes
Living areabigger than1,952 ft²83% of homes62% of homes
Lot sizebigger than0.55 ac96% of homes87% of homes
Year builtnewer than197157% of homes49% of homes

About 817 Rock Ln

How much is 817 Rock Ln, Newark, DE worth?

The TopHap Estimate for 817 Rock Ln, Newark, DE is $449,613 as of Oct 21, 2026. The likely range is $433,031 to $466,195. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 817 Rock Ln, Newark, DE last sell?

817 Rock Ln, Newark, DE last sold on Jan 1, 1985, according to the county's recorded deed.

How big is 817 Rock Ln, Newark, DE?

817 Rock Ln, Newark, DE has 4 bedrooms, 2.5 bathrooms, 1,952 square feet of living space and a 0.55-acre lot.

When was 817 Rock Ln, Newark, DE built?

817 Rock Ln, Newark, DE was built in 1971, making it 55 years old. It is a colonial home. The building has 2 stories.

What schools serve 817 Rock Ln, Newark, DE?

817 Rock Ln, Newark, DE is assigned to West Park Place Elementary School (elementary), rated A; Newark High School (high), rated D+; Shue-Medill Middle School (middle), rated C-. All sit in Christina School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 817 Rock Ln, Newark, DE compare to other homes in Newark 19713?

Among the 9,431 homes in Newark 19713, it is worth more than 90% of them ($449,613 against a typical $324,438), its price per square foot is higher than 57% of them ($230 against a typical $223), it is bigger than 83% of them (1,952 ft² against a typical 1,400 ft²), its lot is bigger than 96% of them (0.55 ac against a typical 0.19 ac) and it is newer than 57% of them (1971 against a typical 1969). Measured against all of New Castle County, it is worth more than 65% 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 817 Rock Ln, Newark, DE?

The 2025 property tax bill for 817 Rock Ln, Newark, DE was $2,866. The county assessed it at $409,600.

More homes on Rock Ln

Closest homes

More homes in Newark 19713

Assigned schools

Explore the area

See this home in context

Open 817 Rock Ln 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