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Single Family ResidenceResidential
$422,981$448 / 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 84How 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
Last sold for $419,000 on May 29, 2026

21808 RIVER CANYON RD

CHATTANOOGA, TN 37405
1.5
Baths
944 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.
2016
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$423K
$355K low$491K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$419,000 · May 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$391 (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.$22,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$22,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$88,800

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.87 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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.Custom Design
CountyMARION
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 48 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.

H
Whitwell High SchoolB-
High · Grades 9–12 · 8.8 mi
E
Whitwell Elementary SchoolC+
Elementary · Grades PK–4 · 8.8 mi
M
Whitwell Middle SchoolB+
Middle · Grades 5–8 · 8.9 mi

District: Marion County School District

Neighborhood · ZIP 37405These 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.141
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.126
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.136

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.19,694
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.348 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,031
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,822
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.60 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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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

21808 River Canyon 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 81% of homes in Marion County
  • Costs more per square foot than 98% of homes in Marion County
  • Smaller than 89% of homes in Chattanooga 37405
  • Newer than 91% of homes in Marion County

What homes are worth in Chattanooga 37405

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

This home
$104K$2.2M

This home is worth more than 46% of homes in Chattanooga 37405.

How it measures up in Chattanooga 37405

The dot is this home. The mark in the middle is the typical home in Chattanooga 37405.

Estimated value$422,981
CheaperTypical $453,958Pricier

Pricier than 46% of homes nearby

Price per ft²$448
CheaperTypical $294Pricier

Pricier than 91% of homes nearby

Living area944 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 11% of homes nearby

Year built2016
OlderTypical 1975Newer

Newer than 87% of homes nearby

How 21808 River Canyon Rd ranks against every home in each area.
MeasureThis homeChattanooga 37405Marion County
Estimated valuepricier than$422,98146% of homes81% of homes
Price per ft²pricier than$44891% of homes98% of homes
Living areabigger than944 ft²11% of homes15% of homes
Year builtnewer than201687% of homes91% of homes

About 21808 River Canyon Rd

How much is 21808 River Canyon Rd, Chattanooga, TN worth?

The TopHap Estimate for 21808 River Canyon Rd, Chattanooga, TN is $422,981 as of Aug 30, 2026. The likely range is $354,726 to $491,236. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21808 River Canyon Rd, Chattanooga, TN last sell?

21808 River Canyon Rd, Chattanooga, TN last sold on May 29, 2026 for $419,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21808 River Canyon Rd, Chattanooga, TN?

21808 River Canyon Rd, Chattanooga, TN has 1.5 bathrooms and 944 square feet of living space.

When was 21808 River Canyon Rd, Chattanooga, TN built?

21808 River Canyon Rd, Chattanooga, TN was built in 2016, making it 10 years old. It is a custom design home. The building has 1 story.

What schools serve 21808 River Canyon Rd, Chattanooga, TN?

21808 River Canyon Rd, Chattanooga, TN is assigned to Whitwell High School (high), rated B-; Whitwell Elementary School (elementary), rated C+; Whitwell Middle School (middle), rated B+. All sit in Marion County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21808 River Canyon Rd, Chattanooga, TN compare to other homes in Chattanooga 37405?

Among the 6,961 homes in Chattanooga 37405, it is worth more than 46% of them ($422,981 against a typical $453,958), its price per square foot is higher than 91% of them ($448 against a typical $294), it is bigger than 11% of them (944 ft² against a typical 1,512 ft²) and it is newer than 87% of them (2016 against a typical 1975). Measured against all of Marion County, it is worth more than 81% 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 21808 River Canyon Rd, Chattanooga, TN?

The 2025 property tax bill for 21808 River Canyon Rd, Chattanooga, TN was $391. The county assessed it at $22,200.

More homes on River Canyon Rd

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Assigned schools

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