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Single Family ResidenceResidential
$237,259$252 / 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 Aug 30, 2026

251 RIGGS AVE

KNOXVILLE, TN 37920
2
Beds
1
Baths
942 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$237K
$214K low$260K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$396 (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.$37,925 (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.$151,700

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.Traditional/Old
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.2006
Lot (acres)The size of the land the home sits on, from county records.0.50
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.No Foundation
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
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.Porch · 378 ft²

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.

E
Dogwood Elementary SchoolC-
Elementary · Grades PK–5 · 0.5 mi
M
South-Doyle Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
South-Doyle High SchoolD+
High · Grades 9–12 · 3.7 mi

District: Knox County School District

Neighborhood · ZIP 37920These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.156

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.43,677
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.579 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,766
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,142
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.51 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

251 Riggs 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 less than 83% of homes in Knox County
  • Costs more per square foot than 77% of homes in Knox County
  • Smaller than 92% of homes in Knox County
  • Has a bigger lot than 88% of homes in South Knoxville
  • Older than 82% of homes in Knox County

What homes are worth in Knoxville 37920

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

This home
$107K$1M

This home is worth more than 24% of homes in Knoxville 37920.

How it measures up in Knoxville 37920

The dot is this home. The mark in the middle is the typical home in Knoxville 37920.

Estimated value$237,259
CheaperTypical $317,963Pricier

Pricier than 24% of homes nearby

Price per ft²$252
CheaperTypical $219Pricier

Pricier than 71% of homes nearby

Living area942 ft²
SmallerTypical 1,431 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.5 ac
SmallerTypical 0.47 acBigger

Bigger than 52% of homes nearby

Year built1950
OlderTypical 1965Newer

Newer than 31% of homes nearby

How 251 Riggs Ave ranks against every home in each area.
MeasureThis homeSouth KnoxvilleKnoxville 37920Knox County
Estimated valuepricier than$237,25941% of homes24% of homes17% of homes
Price per ft²pricier than$25267% of homes71% of homes77% of homes
Living areabigger than942 ft²31% of homes16% of homes8% of homes
Lot sizebigger than0.5 ac88% of homes52% of homes65% of homes
Year builtnewer than195058% of homes31% of homes18% of homes

About 251 Riggs Ave

How much is 251 Riggs Ave, Knoxville, TN worth?

The TopHap Estimate for 251 Riggs Ave, Knoxville, TN is $237,259 as of Aug 30, 2026. The likely range is $214,244 to $260,274. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 251 Riggs Ave, Knoxville, TN last sell?

251 Riggs Ave, Knoxville, TN last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 251 Riggs Ave, Knoxville, TN?

251 Riggs Ave, Knoxville, TN has 2 bedrooms, 1 bathrooms, 942 square feet of living space and a 0.50-acre lot.

When was 251 Riggs Ave, Knoxville, TN built?

251 Riggs Ave, Knoxville, TN was built in 1950, making it 76 years old. It is a traditional/old home. The building has 1 story.

What schools serve 251 Riggs Ave, Knoxville, TN?

251 Riggs Ave, Knoxville, TN is assigned to Dogwood Elementary School (elementary), rated C-; South-Doyle Middle School (middle), rated C-; South-Doyle High School (high), rated D+. All sit in Knox County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 251 Riggs Ave, Knoxville, TN compare to other homes in Knoxville 37920?

Among the 16,328 homes in Knoxville 37920, it is worth more than 24% of them ($237,259 against a typical $317,963), its price per square foot is higher than 71% of them ($252 against a typical $219), it is bigger than 16% of them (942 ft² against a typical 1,431 ft²), its lot is bigger than 52% of them (0.5 ac against a typical 0.47 ac) and it is newer than 31% of them (1950 against a typical 1965). Measured against all of Knox County, it is worth more than 17% 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 251 Riggs Ave, Knoxville, TN?

The 2025 property tax bill for 251 Riggs Ave, Knoxville, TN was $396. The county assessed it at $37,925.

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