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Planned Unit Development (Pud)Residential
$344,900$228 / 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 91How 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 $345,000 on Jun 6, 2024

8423 WHISPER LN

POWELL, TN 37849
3
Beds
1.5
Baths
1,516 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.
2023
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$345K
$312K low$377K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$345,000 · Jun 6, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,002 (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.$64,500 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$258,000

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.57
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
31
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
89
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.
30
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.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.Planned Unit Development (Pud)
CountyKNOX
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Copper Ridge Elementary SchoolB+
Elementary · Grades PK–5 · 2.6 mi
H
Powell High SchoolB-
High · Grades 9–12 · 2.7 mi
M
Powell Middle SchoolC-
Middle · Grades 6–8 · 3.5 mi

District: Knox County School District

Neighborhood · ZIP 37849These 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.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.149

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.28,630
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.727 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,070
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,980
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

8423 Whisper Ln 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.

  • Newer than 98% of homes in Powell 37849

What homes are worth in Powell 37849

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

This home
$160K$762K

This home is worth more than 40% of homes in Powell 37849.

How it measures up in Powell 37849

The dot is this home. The mark in the middle is the typical home in Powell 37849.

Estimated value$344,900
CheaperTypical $370,079Pricier

Pricier than 40% of homes nearby

Price per ft²$228
CheaperTypical $214Pricier

Pricier than 63% of homes nearby

Living area1,516 ft²
SmallerTypical 1,674 ft²Bigger

Bigger than 41% of homes nearby

Year built2023
OlderTypical 1992Newer

Newer than 98% of homes nearby

How 8423 Whisper Ln ranks against every home in each area.
MeasureThis homePowell 37849Knox County
Estimated valuepricier than$344,90040% of homes41% of homes
Price per ft²pricier than$22863% of homes56% of homes
Living areabigger than1,516 ft²41% of homes39% of homes
Year builtnewer than202398% of homes98% of homes

About 8423 Whisper Ln

How much is 8423 Whisper Ln, Powell, TN worth?

The TopHap Estimate for 8423 Whisper Ln, Powell, TN is $344,900 as of Sep 24, 2026. The likely range is $312,347 to $377,453. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8423 Whisper Ln, Powell, TN last sell?

8423 Whisper Ln, Powell, TN last sold on Jun 6, 2024 for $345,000, according to the county's recorded deed.

How big is 8423 Whisper Ln, Powell, TN?

8423 Whisper Ln, Powell, TN has 3 bedrooms, 1.5 bathrooms and 1,516 square feet of living space.

When was 8423 Whisper Ln, Powell, TN built?

8423 Whisper Ln, Powell, TN was built in 2023, making it 3 years old. The building has 2 stories.

What schools serve 8423 Whisper Ln, Powell, TN?

8423 Whisper Ln, Powell, TN is assigned to Copper Ridge Elementary School (elementary), rated B+; Powell High School (high), rated B-; Powell Middle School (middle), rated C-. All sit in Knox County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8423 Whisper Ln, Powell, TN compare to other homes in Powell 37849?

Among the 10,745 homes in Powell 37849, it is worth more than 40% of them ($344,900 against a typical $370,079), its price per square foot is higher than 63% of them ($228 against a typical $214), it is bigger than 41% of them (1,516 ft² against a typical 1,674 ft²) and it is newer than 98% of them (2023 against a typical 1992). Measured against all of Knox County, it is worth more than 41% 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 8423 Whisper Ln, Powell, TN?

The 2025 property tax bill for 8423 Whisper Ln, Powell, TN was $1,002. The county assessed it at $64,500.

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