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Single Family ResidentialResidential
$363,682$329 / 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 91How 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

21812 RIVER CANYON RD

CHATTANOOGA, TN 37405
1
Baths
1,104 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.
2.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$364K
$331K low$396K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$995 (2022)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$56,550 (2023)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$50
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$56,550
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$226,200

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.153 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 Residential
CountyMarion
Lot (acres)The size of the land the home sits on, from county records.2.13
HeatingThe type of heating system in the home.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.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 · 130 ft²

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 SchoolA-
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

21812 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 75% of homes in Marion County
  • Costs more per square foot than 92% of homes in Marion County
  • Smaller than 74% of homes in Chattanooga 37405
  • Has a bigger lot than 93% of homes in Chattanooga 37405
  • Older than 96% 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
$108K$2.5M

This home is worth more than 36% 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$363,682
CheaperTypical $455,853Pricier

Pricier than 36% of homes nearby

Price per ft²$329
CheaperTypical $293Pricier

Pricier than 63% of homes nearby

Living area1,104 ft²
SmallerTypical 1,510 ft²Bigger

Bigger than 26% of homes nearby

Lot size2.13 ac
SmallerTypical 0.36 acBigger

Bigger than 93% of homes nearby

Year built1925
OlderTypical 1975Newer

Newer than 12% of homes nearby

How 21812 River Canyon Rd ranks against every home in each area.
MeasureThis homeChattanooga 37405Marion County
Estimated valuepricier than$363,68236% of homes75% of homes
Price per ft²pricier than$32963% of homes92% of homes
Living areabigger than1,104 ft²26% of homes27% of homes
Lot sizebigger than2.13 ac93% of homes67% of homes
Year builtnewer than192512% of homes4% of homes

About 21812 River Canyon Rd

How much is 21812 River Canyon Rd, Chattanooga, TN worth?

The TopHap Estimate for 21812 River Canyon Rd, Chattanooga, TN is $363,682 as of Sep 24, 2026. The likely range is $331,478 to $395,886. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21812 River Canyon Rd, Chattanooga, TN last sell?

21812 River Canyon Rd, Chattanooga, TN last sold on Dec 11, 2010, according to the county's recorded deed.

How big is 21812 River Canyon Rd, Chattanooga, TN?

21812 River Canyon Rd, Chattanooga, TN has 1 bathrooms, 1,104 square feet of living space and a 2.13-acre lot.

When was 21812 River Canyon Rd, Chattanooga, TN built?

21812 River Canyon Rd, Chattanooga, TN was built in 1925, making it 101 years old. The building has 1 story.

What schools serve 21812 River Canyon Rd, Chattanooga, TN?

21812 River Canyon Rd, Chattanooga, TN is assigned to Whitwell High School (high), rated B; Whitwell Elementary School (elementary), rated A-; 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 21812 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 36% of them ($363,682 against a typical $455,853), its price per square foot is higher than 63% of them ($329 against a typical $293), it is bigger than 26% of them (1,104 ft² against a typical 1,510 ft²), its lot is bigger than 93% of them (2.13 ac against a typical 0.36 ac) and it is newer than 12% of them (1925 against a typical 1975). Measured against all of Marion County, it is worth more than 75% 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 21812 River Canyon Rd, Chattanooga, TN?

The 2022 property tax bill for 21812 River Canyon Rd, Chattanooga, TN was $995. The county assessed it at $56,550.

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