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Single Family ResidenceResidential
$573,024$269 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $31,000 on Mar 30, 1994

7645 RIO GRANDE DR

POWELL, TN 37849
4
Beds
4 / 2
Baths
2,128 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.
1.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$573K
$473K low$673K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$31,000 · Mar 30, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,679 (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.$108,025 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$108,025
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$432,100

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.23 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
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.Forced Air
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, Attached
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.Patio · 312 ft²Porch · 95 ft²

Transaction History(3)

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 · 0.9 mi
E
Powell Elementary SchoolB-
Elementary · Grades KG–5 · 2.2 mi
H
Karns High SchoolB
High · Grades 9–12 · 5.0 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%

Owner Tools

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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

7645 Rio Grande 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 91% of homes in Powell 37849
  • Costs more per square foot than 89% of homes in Powell 37849
  • Bigger than 73% of homes in Powell 37849
  • Has a bigger lot than 84% of homes in Knox County

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
$172K$821K

This home is worth more than 91% 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$573,024
CheaperTypical $373,584Pricier

Pricier than 91% of homes nearby

Price per ft²$269
CheaperTypical $216Pricier

Pricier than 89% of homes nearby

Living area2,128 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 73% of homes nearby

Lot size1.1 ac
SmallerTypical 0.47 acBigger

Bigger than 77% of homes nearby

Year built1994
OlderTypical 1992Newer

Newer than 56% of homes nearby

How 7645 Rio Grande Dr ranks against every home in each area.
MeasureThis homePowell 37849Knox County
Estimated valuepricier than$573,02491% of homes80% of homes
Price per ft²pricier than$26989% of homes82% of homes
Living areabigger than2,128 ft²73% of homes65% of homes
Lot sizebigger than1.1 ac77% of homes84% of homes
Year builtnewer than199456% of homes62% of homes

About 7645 Rio Grande Dr

How much is 7645 Rio Grande Dr, Powell, TN worth?

The TopHap Estimate for 7645 Rio Grande Dr, Powell, TN is $573,024 as of Oct 21, 2026. The likely range is $472,684 to $673,364. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7645 Rio Grande Dr, Powell, TN last sell?

7645 Rio Grande Dr, Powell, TN last sold on Mar 30, 1994 for $31,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 7645 Rio Grande Dr, Powell, TN?

7645 Rio Grande Dr, Powell, TN has 4 bedrooms, 4 bathrooms and 2,128 square feet of living space.

When was 7645 Rio Grande Dr, Powell, TN built?

7645 Rio Grande Dr, Powell, TN was built in 1994, making it 32 years old. It is a ranch home. The building has 1 story.

What schools serve 7645 Rio Grande Dr, Powell, TN?

7645 Rio Grande Dr, 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.

How does 7645 Rio Grande Dr, Powell, TN compare to other homes in Powell 37849?

Among the 10,720 homes in Powell 37849, it is worth more than 91% of them ($573,024 against a typical $373,584), its price per square foot is higher than 89% of them ($269 against a typical $216), it is bigger than 73% of them (2,128 ft² against a typical 1,680 ft²), its lot is bigger than 77% of them (1.1 ac against a typical 0.47 ac) and it is newer than 56% of them (1994 against a typical 1992). Measured against all of Knox County, it is worth more than 80% 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 7645 Rio Grande Dr, Powell, TN?

The 2025 property tax bill for 7645 Rio Grande Dr, Powell, TN was $1,679. The county assessed it at $108,025.

More homes on Rio Grande Dr

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