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Single Family ResidenceResidential
$625,876
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 $598,900 on Nov 6, 2025

4510 UNITY BELL AVE

POWELL, TN 37849
0
Baths

Valuation

$626K
$573K low$679K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$598,900 · Nov 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$204 (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.$13,125 (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.$52,500

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.49
1
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.
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
CountyKNOX
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Powell Middle SchoolC-
Middle · Grades 6–8 · 1.3 mi
E
Powell Elementary SchoolB-
Elementary · Grades KG–5 · 2.6 mi
H
Karns High SchoolB
High · Grades 9–12 · 4.6 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

4510 Unity Bell Ave 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 94% 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
$161K$767K

This home is worth more than 94% 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$625,876
CheaperTypical $369,662Pricier

Pricier than 94% of homes nearby

How 4510 Unity Bell Ave ranks against every home in each area.
MeasureThis homePowell 37849Knox County
Estimated valuepricier than$625,87694% of homes83% of homes

About 4510 Unity Bell Ave

How much is 4510 Unity Bell Ave, Powell, TN worth?

The TopHap Estimate for 4510 Unity Bell Ave, Powell, TN is $625,876 as of Sep 24, 2026. The likely range is $573,085 to $678,667. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4510 Unity Bell Ave, Powell, TN last sell?

4510 Unity Bell Ave, Powell, TN last sold on Nov 6, 2025 for $598,900, according to the county's recorded deed.

What schools serve 4510 Unity Bell Ave, Powell, TN?

4510 Unity Bell Ave, Powell, TN is assigned to Powell Middle School (middle), rated C-; Powell Elementary School (elementary), rated B-; Karns High School (high), rated B. All sit in Knox County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 4510 Unity Bell Ave, Powell, TN?

The 2025 property tax bill for 4510 Unity Bell Ave, Powell, TN was $204. The county assessed it at $13,125.

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