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Single Family ResidenceResidential
$1,278,586$280 / 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 Sep 24, 2026
Last sold for $715,000 on Sep 23, 2021

506 ROCK ISLAND DR

BUTLER, TN 37640
4
Baths
4,560 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.
1.4 ac
Lot SizeThe size of the land the home sits on, from county records.
2004
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

$1.3M
$1.2M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$715,000 · Sep 23, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,943 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$135,000 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,750
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$135,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$540,000

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.46
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
80
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyCarter
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.2009
Lot (acres)The size of the land the home sits on, from county records.1.40
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
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 400 ft²Patio · 80 ft²

Transaction History(4)

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
Unaka Elementary SchoolB
Elementary · Grades PK–8 · 5.5 mi
H
Unaka High SchoolC
High · Grades 9–12 · 6.6 mi

District: Carter County School District

Neighborhood · ZIP 37640These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.110

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.75%
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.14%
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.3,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.33 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,896
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,736
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

506 Rock Island 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.

  • Among the most valuable homes in Carter County
  • Costs more per square foot than 94% of homes in Carter County
  • Among the largest homes in Carter County
  • Newer than 89% of homes in Carter County

What homes are worth in Butler 37640

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

This home
$45K$1.5M

This home is worth more than 97% of homes in Butler 37640.

How it measures up in Butler 37640

The dot is this home. The mark in the middle is the typical home in Butler 37640.

Estimated value$1,278,586
CheaperTypical $257,146Pricier

Pricier than 97% of homes nearby

Price per ft²$280
CheaperTypical $223Pricier

Pricier than 64% of homes nearby

Living area4,560 ft²
SmallerTypical 1,216 ft²Bigger

Bigger than almost all homes nearby

Lot size1.4 ac
SmallerTypical 2 acBigger

Bigger than 40% of homes nearby

Year built2004
OlderTypical 1988Newer

Newer than 79% of homes nearby

How 506 Rock Island Dr ranks against every home in each area.
MeasureThis homeButler 37640Carter County
Estimated valuepricier than$1,278,58697% of homesalmost all homes
Price per ft²pricier than$28064% of homes94% of homes
Living areabigger than4,560 ft²almost all homesalmost all homes
Lot sizebigger than1.4 ac40% of homes43% of homes
Year builtnewer than200479% of homes89% of homes

About 506 Rock Island Dr

How much is 506 Rock Island Dr, Butler, TN worth?

The TopHap Estimate for 506 Rock Island Dr, Butler, TN is $1,278,586 as of Sep 24, 2026. The likely range is $1,150,572 to $1,406,600. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 506 Rock Island Dr, Butler, TN last sell?

506 Rock Island Dr, Butler, TN last sold on Sep 23, 2021 for $715,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 506 Rock Island Dr, Butler, TN?

506 Rock Island Dr, Butler, TN has 4 bathrooms, 4,560 square feet of living space and a 1.40-acre lot.

When was 506 Rock Island Dr, Butler, TN built?

506 Rock Island Dr, Butler, TN was built in 2004, making it 22 years old. The building has 2 stories.

What schools serve 506 Rock Island Dr, Butler, TN?

506 Rock Island Dr, Butler, TN is assigned to Unaka Elementary School (elementary), rated B; Unaka High School (high), rated C. All sit in Carter County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 506 Rock Island Dr, Butler, TN compare to other homes in Butler 37640?

Among the 2,575 homes in Butler 37640, it is worth more than 97% of them ($1,278,586 against a typical $257,146), its price per square foot is higher than 64% of them ($280 against a typical $223), it is bigger than almost all of them (4,560 ft² against a typical 1,216 ft²), its lot is bigger than 40% of them (1.4 ac against a typical 2 ac) and it is newer than 79% of them (2004 against a typical 1988). Measured against all of Carter County, it is worth more than almost all 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 506 Rock Island Dr, Butler, TN?

The 2024 property tax bill for 506 Rock Island Dr, Butler, TN was $2,943. The county assessed it at $135,000.

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