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Single Family ResidenceResidential
$236,191$177 / 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 90How 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 $220,000 on Mar 6, 2025

639 ROSEMARY DR

SEAFORD, DE 19973
3
Beds
0
Baths
1,334 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.
1,934 ft²
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.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$236K
$213K low$259K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · Mar 6, 2025
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.$21,609
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$17,287
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.91%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$208,333
NFM INC · recorded Mar 6, 2025
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$6,249
DELAWARE STATE HOUSING AUTHORITY

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$583 (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.$21,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$20,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$164,700

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.48
40
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
29
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
75
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
22
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Townhouse
CountySUSSEX
Lot (acres)The size of the land the home sits on, from county records.0.04
GarageWhether the property has a garage, and details like whether it is attached to the home.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Elevator

Transaction History(3)

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.

H
Seaford High SchoolF
High · Grades 9–12 · 0.7 mi
E
West Seaford Elementary School
Elementary · Grades KG–2 · 0.8 mi
M
Seaford Middle SchoolD
Middle · Grades 6–8 · 0.9 mi

District: Seaford School District

Neighborhood · ZIP 19973These 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.96
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.28,398
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.312 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,526
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,399
Average tempThe average temperature here across a full year.56°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.69%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
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

639 Rosemary Dr 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 92% of homes in Sussex County
  • Costs less per square foot than 92% of homes in Sussex County
  • Smaller than 67% of homes in Sussex County
  • Has a smaller lot than 92% of homes in Seaford 19973
  • Newer than 83% of homes in Seaford 19973

What homes are worth in Seaford 19973

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

This home
$90K$654K

This home is worth more than 24% of homes in Seaford 19973.

How it measures up in Seaford 19973

The dot is this home. The mark in the middle is the typical home in Seaford 19973.

Estimated value$236,191
CheaperTypical $311,204Pricier

Pricier than 24% of homes nearby

Price per ft²$177
CheaperTypical $208Pricier

Pricier than 25% of homes nearby

Living area1,334 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 41% of homes nearby

Lot size1,934 ft²
SmallerTypical 0.5 acBigger

Bigger than 8% of homes nearby

Year built2007
OlderTypical 1990Newer

Newer than 83% of homes nearby

How 639 Rosemary Dr ranks against every home in each area.
MeasureThis homeSeaford 19973Sussex County
Estimated valuepricier than$236,19124% of homes8% of homes
Price per ft²pricier than$17725% of homes8% of homes
Living areabigger than1,334 ft²41% of homes33% of homes
Lot sizebigger than1,934 ft²8% of homes11% of homes
Year builtnewer than200783% of homes67% of homes

About 639 Rosemary Dr

How much is 639 Rosemary Dr, Seaford, DE worth?

The TopHap Estimate for 639 Rosemary Dr, Seaford, DE is $236,191 as of Jul 14, 2026. The likely range is $213,125 to $259,257. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 639 Rosemary Dr, Seaford, DE last sell?

639 Rosemary Dr, Seaford, DE last sold on Mar 6, 2025 for $220,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 639 Rosemary Dr, Seaford, DE?

639 Rosemary Dr, Seaford, DE has 3 bedrooms, 1,334 square feet of living space and a 0.04-acre lot.

When was 639 Rosemary Dr, Seaford, DE built?

639 Rosemary Dr, Seaford, DE was built in 2007, making it 19 years old. It is a townhouse home. The building has 2 stories.

What schools serve 639 Rosemary Dr, Seaford, DE?

639 Rosemary Dr, Seaford, DE is assigned to Seaford High School (high), rated F; West Seaford Elementary School (elementary); Seaford Middle School (middle), rated D. All sit in Seaford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 639 Rosemary Dr, Seaford, DE compare to other homes in Seaford 19973?

Among the 10,191 homes in Seaford 19973, it is worth more than 24% of them ($236,191 against a typical $311,204), its price per square foot is higher than 25% of them ($177 against a typical $208), it is bigger than 41% of them (1,334 ft² against a typical 1,440 ft²), its lot is bigger than 8% of them (1,934 ft² against a typical 0.5 ac) and it is newer than 83% of them (2007 against a typical 1990). Measured against all of Sussex County, it is worth more than 8% 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 639 Rosemary Dr, Seaford, DE?

The 2025 property tax bill for 639 Rosemary Dr, Seaford, DE was $583. The county assessed it at $21,400.

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Assigned schools

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See this home in context

Open 639 Rosemary Dron TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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