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Single Family ResidenceResidential
$121,470$67 / 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 56How 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

645 ARCH ST

KINGSPORT, TN 37660
2
Baths
1,824 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1918
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$121K
$68K low$175K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$23,625 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,625
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,225
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$94,500

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.16 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
Lot (acres)The size of the land the home sits on, from county records.0.27
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.Metal
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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.Porch · 216 ft²

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
Andrew Jackson Elementary SchoolC+
Elementary · Grades KG–5 · 0.3 mi
M
John Sevier Middle SchoolD+
Middle · Grades 6–8 · 1.3 mi
H
Dobyns-Bennett High SchoolA
High · Grades 9–12 · 2.5 mi

District: Kingsport City School District

Neighborhood · ZIP 37660These 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.126
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.115

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.42,434
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.662 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$50,632
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$71,029
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

645 Arch St 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 90% of homes in Sullivan County
  • Among the lowest price per square foot in Kingsport 37660
  • Bigger than 76% of homes in Kingsport 37660
  • Has a smaller lot than 77% of homes in Sullivan County
  • Older than 98% of homes in Kingsport 37660

What homes are worth in Kingsport 37660

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

This home
$66K$765K

This home is worth more than 16% of homes in Kingsport 37660.

How it measures up in Kingsport 37660

The dot is this home. The mark in the middle is the typical home in Kingsport 37660.

Estimated value$121,470
CheaperTypical $214,338Pricier

Pricier than 16% of homes nearby

Price per ft²$67
CheaperTypical $157Pricier

Cheaper than almost all homes nearby

Living area1,824 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.27 ac
SmallerTypical 0.39 acBigger

Bigger than 31% of homes nearby

Year built1918
OlderTypical 1968Newer

Newer than 2% of homes nearby

How 645 Arch St ranks against every home in each area.
MeasureThis homeKingsport 37660Sullivan County
Estimated valuepricier than$121,47016% of homes10% of homes
Price per ft²pricier than$67almost no homesalmost no homes
Living areabigger than1,824 ft²76% of homes72% of homes
Lot sizebigger than0.27 ac31% of homes23% of homes
Year builtnewer than19182% of homes2% of homes

About 645 Arch St

How much is 645 Arch St, Kingsport, TN worth?

The TopHap Estimate for 645 Arch St, Kingsport, TN is $121,470 as of Oct 21, 2026. The likely range is $68,431 to $174,509. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 645 Arch St, Kingsport, TN?

645 Arch St, Kingsport, TN has 2 bathrooms, 1,824 square feet of living space and a 0.27-acre lot.

When was 645 Arch St, Kingsport, TN built?

645 Arch St, Kingsport, TN was built in 1918, making it 108 years old. The building has 2 stories.

What schools serve 645 Arch St, Kingsport, TN?

645 Arch St, Kingsport, TN is assigned to Andrew Jackson Elementary School (elementary), rated C+; John Sevier Middle School (middle), rated D+; Dobyns-Bennett High School (high), rated A. All sit in Kingsport City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Arch St, Kingsport, TN compare to other homes in Kingsport 37660?

Among the 15,854 homes in Kingsport 37660, it is worth more than 16% of them ($121,470 against a typical $214,338), its price per square foot is higher than almost none of them ($67 against a typical $157), it is bigger than 76% of them (1,824 ft² against a typical 1,344 ft²), its lot is bigger than 31% of them (0.27 ac against a typical 0.39 ac) and it is newer than 2% of them (1918 against a typical 1968). Measured against all of Sullivan County, it is worth more than 10% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Arch St

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Assigned schools

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