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Single Family ResidenceResidential
$432,014$209 / 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 88How 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 $139,900 on Oct 25, 2012

8220 COLLIER RD

POWELL, TN 37849
3
Beds
2
Baths
2,067 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.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$432K
$380K low$484K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$139,900 · Oct 25, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$727 (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.$46,775 (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.$187,100

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyKNOX
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.0.51
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 180 ft²Patio · 180 ft²Porch · 100 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
Powell Elementary SchoolB-
Elementary · Grades KG–5 · 1.0 mi
H
Powell High SchoolB-
High · Grades 9–12 · 1.3 mi
M
Powell Middle SchoolC-
Middle · Grades 6–8 · 2.0 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

8220 Collier Rd 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 71% of homes in Powell 37849
  • Bigger than 70% of homes in Powell 37849
  • Has a bigger lot than 66% of homes in Knox County
  • Older than 85% 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
$158K$758K

This home is worth more than 71% 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$432,014
CheaperTypical $369,859Pricier

Pricier than 71% of homes nearby

Price per ft²$209
CheaperTypical $213Pricier

Pricier than 46% of homes nearby

Living area2,067 ft²
SmallerTypical 1,676 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.51 ac
SmallerTypical 0.47 acBigger

Bigger than 53% of homes nearby

Year built1964
OlderTypical 1992Newer

Newer than 15% of homes nearby

How 8220 Collier Rd ranks against every home in each area.
MeasureThis homePowell 37849Knox County
Estimated valuepricier than$432,01471% of homes61% of homes
Price per ft²pricier than$20946% of homes40% of homes
Living areabigger than2,067 ft²70% of homes63% of homes
Lot sizebigger than0.51 ac53% of homes66% of homes
Year builtnewer than196415% of homes28% of homes

About 8220 Collier Rd

How much is 8220 Collier Rd, Powell, TN worth?

The TopHap Estimate for 8220 Collier Rd, Powell, TN is $432,014 as of Sep 24, 2026. The likely range is $380,402 to $483,626. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8220 Collier Rd, Powell, TN last sell?

8220 Collier Rd, Powell, TN last sold on Oct 25, 2012 for $139,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 8220 Collier Rd, Powell, TN?

8220 Collier Rd, Powell, TN has 3 bedrooms, 2 bathrooms, 2,067 square feet of living space and a 0.51-acre lot.

When was 8220 Collier Rd, Powell, TN built?

8220 Collier Rd, Powell, TN was built in 1964, making it 62 years old. It is a split level home. The building has 1 story.

What schools serve 8220 Collier Rd, Powell, TN?

8220 Collier Rd, Powell, TN is assigned to Powell 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 8220 Collier Rd, Powell, TN compare to other homes in Powell 37849?

Among the 10,746 homes in Powell 37849, it is worth more than 71% of them ($432,014 against a typical $369,859), its price per square foot is higher than 46% of them ($209 against a typical $213), it is bigger than 70% of them (2,067 ft² against a typical 1,676 ft²), its lot is bigger than 53% of them (0.51 ac against a typical 0.47 ac) and it is newer than 15% of them (1964 against a typical 1992). Measured against all of Knox County, it is worth more than 61% 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 8220 Collier Rd, Powell, TN?

The 2025 property tax bill for 8220 Collier Rd, Powell, TN was $727. The county assessed it at $46,775.

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