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Single Family ResidenceResidential
$368,908$220 / 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 Jul 14, 2026

921 ROCKMOSS AVE

NEWARK, DE 19711
4
Beds
2 / 1
Baths
1,675 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.
0.21 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.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$369K
$353K low$385K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$368,908
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$295,126

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,316 (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.$316,400 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$63,600

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.54
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
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.
87
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.9 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.Raised Ranch
CountyNew Castle
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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, Basement

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
Downes (John R.) Elementary SchoolB
Elementary · Grades KG–5 · 0.2 mi
H
Newark High SchoolD
High · Grades 9–12 · 2.1 mi
M
Shue-Medill Middle SchoolD+
Middle · Grades 6–8 · 4.1 mi

District: Christina School District

Neighborhood · ZIP 19711These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
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.1.1%
PopulationHow many people live in this area.51,312
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,856 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,040
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,809
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.70%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

921 Rockmoss 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 80% of homes in Newark 19711
  • Smaller than 70% of homes in Newark 19711
  • Has a bigger lot than 76% of homes in Cherry Hill
  • Newer than 91% of homes in Cherry Hill

What homes are worth in Newark 19711

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

This home
$230K$827K

This home is worth more than 20% of homes in Newark 19711.

How it measures up in Newark 19711

The dot is this home. The mark in the middle is the typical home in Newark 19711.

Estimated value$368,908
CheaperTypical $452,404Pricier

Pricier than 20% of homes nearby

Price per ft²$220
CheaperTypical $226Pricier

Pricier than 42% of homes nearby

Living area1,675 ft²
SmallerTypical 2,050 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.21 ac
SmallerTypical 0.26 acBigger

Bigger than 37% of homes nearby

Year built1969
OlderTypical 1972Newer

Newer than 44% of homes nearby

How 921 Rockmoss Ave ranks against every home in each area.
MeasureThis homeCherry HillNewark 19711New Castle County
Estimated valuepricier than$368,90822% of homes20% of homes45% of homes
Price per ft²pricier than$22046% of homes42% of homes51% of homes
Living areabigger than1,675 ft²39% of homes30% of homes45% of homes
Lot sizebigger than0.21 ac76% of homes37% of homes56% of homes
Year builtnewer than196991% of homes44% of homes47% of homes

About 921 Rockmoss Ave

How much is 921 Rockmoss Ave, Newark, DE worth?

The TopHap Estimate for 921 Rockmoss Ave, Newark, DE is $368,908 as of Jul 14, 2026. The likely range is $353,217 to $384,599. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 921 Rockmoss Ave, Newark, DE?

921 Rockmoss Ave, Newark, DE has 4 bedrooms, 2 bathrooms, 1,675 square feet of living space and a 0.21-acre lot.

When was 921 Rockmoss Ave, Newark, DE built?

921 Rockmoss Ave, Newark, DE was built in 1969, making it 57 years old. It is a raised ranch home. The building has 1 story.

What schools serve 921 Rockmoss Ave, Newark, DE?

921 Rockmoss Ave, Newark, DE is assigned to Downes (John R.) Elementary School (elementary), rated B; Newark High School (high), rated D; Shue-Medill Middle School (middle), rated D+. All sit in Christina School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 921 Rockmoss Ave, Newark, DE compare to other homes in Newark 19711?

Among the 14,961 homes in Newark 19711, it is worth more than 20% of them ($368,908 against a typical $452,404), its price per square foot is higher than 42% of them ($220 against a typical $226), it is bigger than 30% of them (1,675 ft² against a typical 2,050 ft²), its lot is bigger than 37% of them (0.21 ac against a typical 0.26 ac) and it is newer than 44% of them (1969 against a typical 1972). Measured against all of New Castle County, it is worth more than 45% 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 921 Rockmoss Ave, Newark, DE?

The 2025 property tax bill for 921 Rockmoss Ave, Newark, DE was $2,316. The county assessed it at $316,400.

Closest homes

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Assigned schools

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