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Single Family ResidenceResidential
$413,462$157 / 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 95How 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
Last sold for $275,000 on Feb 17, 2017

100 ALTON AVE

CLAYTON, DE 19938
4
Beds
2.5
Baths
2,641 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$413K
$394K low$433K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Feb 17, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,677 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$394,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$329,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$394,700

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.42
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
23
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
82
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
25
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Finished
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Major Street/Thoroughfare

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Clayton Elementary SchoolA-
Elementary · Grades KG–4 · 0.8 mi
H
Smyrna High SchoolD
High · Grades 9–12 · 1.4 mi
M
Smyrna Middle SchoolC
Middle · Grades 7–8 · 1.7 mi

District: Smyrna School District

Neighborhood · ZIP 19938These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.10,868
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.222 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,185
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,145
Average tempThe average temperature here across a full year.55°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%

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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

100 Alton 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 more than 67% of homes in Kent County
  • Costs less per square foot than 94% of homes in Clayton 19938
  • Bigger than 88% of homes in Kent County
  • Has a smaller lot than 71% of homes in Clayton 19938
  • Newer than 75% of homes in Kent County

What homes are worth in Clayton 19938

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

This home
$210K$714K

This home is worth more than 47% of homes in Clayton 19938.

How it measures up in Clayton 19938

The dot is this home. The mark in the middle is the typical home in Clayton 19938.

Estimated value$413,462
CheaperTypical $421,135Pricier

Pricier than 47% of homes nearby

Price per ft²$157
CheaperTypical $211Pricier

Pricier than 6% of homes nearby

Living area2,641 ft²
SmallerTypical 1,771 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.25 ac
SmallerTypical 0.65 acBigger

Bigger than 29% of homes nearby

Year built2007
OlderTypical 2000Newer

Newer than 70% of homes nearby

How 100 Alton Ave ranks against every home in each area.
MeasureThis homeClayton 19938Kent County
Estimated valuepricier than$413,46247% of homes67% of homes
Price per ft²pricier than$1576% of homes12% of homes
Living areabigger than2,641 ft²87% of homes88% of homes
Lot sizebigger than0.25 ac29% of homes40% of homes
Year builtnewer than200770% of homes75% of homes

About 100 Alton Ave

How much is 100 Alton Ave, Clayton, DE worth?

The TopHap Estimate for 100 Alton Ave, Clayton, DE is $413,462 as of Sep 24, 2026. The likely range is $393,520 to $433,404. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Alton Ave, Clayton, DE last sell?

100 Alton Ave, Clayton, DE last sold on Feb 17, 2017 for $275,000, according to the county's recorded deed. TopHap holds 6 recorded sales for this parcel.

How big is 100 Alton Ave, Clayton, DE?

100 Alton Ave, Clayton, DE has 4 bedrooms, 2.5 bathrooms, 2,641 square feet of living space and a 0.25-acre lot.

When was 100 Alton Ave, Clayton, DE built?

100 Alton Ave, Clayton, DE was built in 2007, making it 19 years old. It is a colonial home. The building has 2 stories.

What schools serve 100 Alton Ave, Clayton, DE?

100 Alton Ave, Clayton, DE is assigned to Clayton Elementary School (elementary), rated A-; Smyrna High School (high), rated D; Smyrna Middle School (middle), rated C. All sit in Smyrna School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Alton Ave, Clayton, DE compare to other homes in Clayton 19938?

Among the 4,068 homes in Clayton 19938, it is worth more than 47% of them ($413,462 against a typical $421,135), its price per square foot is higher than 6% of them ($157 against a typical $211), it is bigger than 87% of them (2,641 ft² against a typical 1,771 ft²), its lot is bigger than 29% of them (0.25 ac against a typical 0.65 ac) and it is newer than 70% of them (2007 against a typical 2000). Measured against all of Kent County, it is worth more than 67% 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 100 Alton Ave, Clayton, DE?

The 2026 property tax bill for 100 Alton Ave, Clayton, DE was $1,677. The county assessed it at $394,700.

More homes on Alton Ave

Closest homes

More homes in Clayton 19938

Assigned schools

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