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Single Family ResidenceResidential
$351,497$194 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $139,000 on Aug 28, 1998

3900 RIDGELINE DR

KINGSPORT, TN 37664
2
Baths
1,812 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.
0.8 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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

$351K
$305K low$398K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,000 · Aug 28, 1998

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.$80,175 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,775
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$49,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$320,700

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.1990
Lot (acres)The size of the land the home sits on, from county records.0.80
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
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.Deck · 150 ft²Patio · 630 ft²Porch · 300 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.

M
Ross N. Robinson Middle SchoolB+
Middle · Grades 6–8 · 1.2 mi
E
Andrew Johnson Elementary SchoolA+
Elementary · Grades PK–5 · 1.4 mi
H
Dobyns-Bennett High SchoolA-
High · Grades 9–12 · 1.7 mi

District: Kingsport City School District

Neighborhood · ZIP 37664These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.113

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.26,296
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.815 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,444
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,362
Average tempThe average temperature here across a full year.56°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%

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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

3900 Ridgeline 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 73% of homes in Sullivan County
  • Costs more per square foot than 66% of homes in Sullivan County
  • Bigger than 72% of homes in Sullivan County
  • Has a bigger lot than 80% of homes in Kingsport 37664

What homes are worth in Kingsport 37664

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

This home
$93K$844K

This home is worth more than 67% of homes in Kingsport 37664.

How it measures up in Kingsport 37664

The dot is this home. The mark in the middle is the typical home in Kingsport 37664.

Estimated value$351,497
CheaperTypical $286,508Pricier

Pricier than 67% of homes nearby

Price per ft²$194
CheaperTypical $182Pricier

Pricier than 61% of homes nearby

Living area1,812 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.8 ac
SmallerTypical 0.39 acBigger

Bigger than 80% of homes nearby

Year built1967
OlderTypical 1970Newer

Newer than 47% of homes nearby

How 3900 Ridgeline Dr ranks against every home in each area.
MeasureThis homeKingsport 37664Sullivan County
Estimated valuepricier than$351,49767% of homes73% of homes
Price per ft²pricier than$19461% of homes66% of homes
Living areabigger than1,812 ft²67% of homes72% of homes
Lot sizebigger than0.8 ac80% of homes70% of homes
Year builtnewer than196747% of homes42% of homes

About 3900 Ridgeline Dr

How much is 3900 Ridgeline Dr, Kingsport, TN worth?

The TopHap Estimate for 3900 Ridgeline Dr, Kingsport, TN is $351,497 as of Aug 30, 2026. The likely range is $304,853 to $398,141. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3900 Ridgeline Dr, Kingsport, TN last sell?

3900 Ridgeline Dr, Kingsport, TN last sold on Aug 28, 1998 for $139,000, according to the county's recorded deed.

How big is 3900 Ridgeline Dr, Kingsport, TN?

3900 Ridgeline Dr, Kingsport, TN has 2 bathrooms, 1,812 square feet of living space and a 0.80-acre lot.

When was 3900 Ridgeline Dr, Kingsport, TN built?

3900 Ridgeline Dr, Kingsport, TN was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 3900 Ridgeline Dr, Kingsport, TN?

3900 Ridgeline Dr, Kingsport, TN is assigned to Ross N. Robinson Middle School (middle), rated B+; Andrew Johnson Elementary School (elementary), rated A+; 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 3900 Ridgeline Dr, Kingsport, TN compare to other homes in Kingsport 37664?

Among the 11,922 homes in Kingsport 37664, it is worth more than 67% of them ($351,497 against a typical $286,508), its price per square foot is higher than 61% of them ($194 against a typical $182), it is bigger than 67% of them (1,812 ft² against a typical 1,456 ft²), its lot is bigger than 80% of them (0.8 ac against a typical 0.39 ac) and it is newer than 47% of them (1967 against a typical 1970). Measured against all of Sullivan County, it is worth more than 73% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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