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Single Family ResidenceResidential
$400,521$148 / 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 Sep 24, 2026
Last sold for $380,000 on Aug 26, 2025

405 CASTAWAY DR

KINGSPORT, TN 37663
3
Baths
2,703 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.
0.46 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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$401K
$367K low$435K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$380,000 · Aug 26, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,586 (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.$98,325 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$94,625
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$98,325
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$393,300

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.62 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
CountySullivan
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1995
Lot (acres)The size of the land the home sits on, from county records.0.46
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Footing
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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, Finished
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 144 ft²Patio · 144 ft²Porch · 64 ft²

Transaction History(10)

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
Miller Perry Elementary SchoolB
Elementary · Grades KG–5 · 1.9 mi
M
Sullivan Heights Middle SchoolC
Middle · Grades 6–8 · 4.2 mi
H
West Ridge High SchoolB+
High · Grades 9–12 · 5.1 mi

District: Sullivan County School District

Neighborhood · ZIP 37663These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.112

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.14,574
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.521 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,383
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,485
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.53%

Owner Tools

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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

405 Castaway 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 more than 80% of homes in Sullivan County
  • Costs less per square foot than 87% of homes in Kingsport 37663
  • Bigger than 92% of homes in Sullivan County

What homes are worth in Kingsport 37663

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

This home
$136K$716K

This home is worth more than 76% of homes in Kingsport 37663.

How it measures up in Kingsport 37663

The dot is this home. The mark in the middle is the typical home in Kingsport 37663.

Estimated value$400,521
CheaperTypical $311,011Pricier

Pricier than 76% of homes nearby

Price per ft²$148
CheaperTypical $186Pricier

Pricier than 13% of homes nearby

Living area2,703 ft²
SmallerTypical 1,606 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.46 ac
SmallerTypical 0.52 acBigger

Bigger than 42% of homes nearby

Year built1969
OlderTypical 1976Newer

Newer than 39% of homes nearby

How 405 Castaway Dr ranks against every home in each area.
MeasureThis homeKingsport 37663Sullivan County
Estimated valuepricier than$400,52176% of homes80% of homes
Price per ft²pricier than$14813% of homes28% of homes
Living areabigger than2,703 ft²90% of homes92% of homes
Lot sizebigger than0.46 ac42% of homes50% of homes
Year builtnewer than196939% of homes45% of homes

About 405 Castaway Dr

How much is 405 Castaway Dr, Kingsport, TN worth?

The TopHap Estimate for 405 Castaway Dr, Kingsport, TN is $400,521 as of Sep 24, 2026. The likely range is $366,504 to $434,538. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Castaway Dr, Kingsport, TN last sell?

405 Castaway Dr, Kingsport, TN last sold on Aug 26, 2025 for $380,000, according to the county's recorded deed. TopHap holds 10 recorded sales for this parcel.

How big is 405 Castaway Dr, Kingsport, TN?

405 Castaway Dr, Kingsport, TN has 3 bathrooms, 2,703 square feet of living space and a 0.46-acre lot.

When was 405 Castaway Dr, Kingsport, TN built?

405 Castaway Dr, Kingsport, TN was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 405 Castaway Dr, Kingsport, TN?

405 Castaway Dr, Kingsport, TN is assigned to Miller Perry Elementary School (elementary), rated B; Sullivan Heights Middle School (middle), rated C; West Ridge High School (high), rated B+. All sit in Sullivan County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 405 Castaway Dr, Kingsport, TN compare to other homes in Kingsport 37663?

Among the 6,409 homes in Kingsport 37663, it is worth more than 76% of them ($400,521 against a typical $311,011), its price per square foot is higher than 13% of them ($148 against a typical $186), it is bigger than 90% of them (2,703 ft² against a typical 1,606 ft²), its lot is bigger than 42% of them (0.46 ac against a typical 0.52 ac) and it is newer than 39% of them (1969 against a typical 1976). Measured against all of Sullivan County, it is worth more than 80% 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 405 Castaway Dr, Kingsport, TN?

The 2025 property tax bill for 405 Castaway Dr, Kingsport, TN was $1,586. The county assessed it at $98,325.

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