Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$472,117$205 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $370,000 on Jan 5, 2021

446 RIVER STONE DR

BLAINE, TN 37709
4
Baths
2,300 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.
1.08 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$472K
$439K low$506K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$370,000 · Jan 5, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,871 (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.$79,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$64,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$79,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$318,400

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.68
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
37
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
85
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 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.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
CountyGrainger
Lot (acres)The size of the land the home sits on, from county records.1.08
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Footing
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
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.Garage, Finished
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Joppa Elementary SchoolC+
Elementary · Grades PK–6 · 6.7 mi
H
Grainger Academy
High · Grades 9–12 · 10.4 mi
M
Rutledge Middle SchoolC+
Middle · Grades 7–8 · 10.4 mi

District: Grainger County School District

Neighborhood · ZIP 37709These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.9%
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.1.1%
PopulationHow many people live in this area.4,216
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.97 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,567
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,053
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Owner Tools

Do you own this home?
Claim this home

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

446 River Stone 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 82% of homes in Grainger County
  • Bigger than 93% of homes in Grainger County
  • Has a smaller lot than 73% of homes in Blaine 37709
  • Newer than 94% of homes in Grainger County

What homes are worth in Blaine 37709

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

This home
$86K$934K

This home is worth more than 80% of homes in Blaine 37709.

How it measures up in Blaine 37709

The dot is this home. The mark in the middle is the typical home in Blaine 37709.

Estimated value$472,117
CheaperTypical $295,118Pricier

Pricier than 80% of homes nearby

Price per ft²$205
CheaperTypical $202Pricier

Pricier than 52% of homes nearby

Living area2,300 ft²
SmallerTypical 1,449 ft²Bigger

Bigger than 88% of homes nearby

Lot size1.08 ac
SmallerTypical 2.82 acBigger

Bigger than 27% of homes nearby

Year built2020
OlderTypical 1995Newer

Newer than 92% of homes nearby

How 446 River Stone Dr ranks against every home in each area.
MeasureThis homeBlaine 37709Grainger County
Estimated valuepricier than$472,11780% of homes82% of homes
Price per ft²pricier than$20552% of homes50% of homes
Living areabigger than2,300 ft²88% of homes93% of homes
Lot sizebigger than1.08 ac27% of homes33% of homes
Year builtnewer than202092% of homes94% of homes

About 446 River Stone Dr

How much is 446 River Stone Dr, Blaine, TN worth?

The TopHap Estimate for 446 River Stone Dr, Blaine, TN is $472,117 as of Jul 14, 2026. The likely range is $438,551 to $505,683. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 446 River Stone Dr, Blaine, TN last sell?

446 River Stone Dr, Blaine, TN last sold on Jan 5, 2021 for $370,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 446 River Stone Dr, Blaine, TN?

446 River Stone Dr, Blaine, TN has 4 bathrooms, 2,300 square feet of living space and a 1.08-acre lot.

When was 446 River Stone Dr, Blaine, TN built?

446 River Stone Dr, Blaine, TN was built in 2020, making it 6 years old. The building has 1 story.

What schools serve 446 River Stone Dr, Blaine, TN?

446 River Stone Dr, Blaine, TN is assigned to Joppa Elementary School (elementary), rated C+; Grainger Academy (high); Rutledge Middle School (middle), rated C+. All sit in Grainger County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 446 River Stone Dr, Blaine, TN compare to other homes in Blaine 37709?

Among the 1,795 homes in Blaine 37709, it is worth more than 80% of them ($472,117 against a typical $295,118), its price per square foot is higher than 52% of them ($205 against a typical $202), it is bigger than 88% of them (2,300 ft² against a typical 1,449 ft²), its lot is bigger than 27% of them (1.08 ac against a typical 2.82 ac) and it is newer than 92% of them (2020 against a typical 1995). Measured against all of Grainger County, it is worth more than 82% 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 446 River Stone Dr, Blaine, TN?

The 2025 property tax bill for 446 River Stone Dr, Blaine, TN was $1,871. The county assessed it at $79,600.

More homes on River Stone Dr

Closest homes

More homes in Blaine 37709

Assigned schools

Explore the area

See this home in context

Open 446 River Stone Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map