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Single Family ResidenceResidential
$919,371$372 / 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 92How 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 $450,000 on Jul 22, 2019

643 RIVER RUN DR

MARYVILLE, TN 37804
5
Baths
2,472 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.
0.56 ac
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$919K
$848K low$990K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$450,000 · Jul 22, 2019
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$694,371
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$555,497
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.29%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$175,000
SPLITERO MASTER TRUST · recorded Nov 3, 2025
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$50,000
TRUST COMPANY BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,728 (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.$171,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$22,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$171,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$686,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBlount
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.2002
Lot (acres)The size of the land the home sits on, from county records.0.56
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
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.Mixed
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.Deck · 72 ft²Patio · 168 ft²Porch · 570 ft²

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.

H
Heritage High SchoolB+
High · Grades 9–12 · 0.8 mi
M
Heritage Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi
E
Porter Elementary SchoolA
Elementary · Grades PK–5 · 2.3 mi

District: Blount County School District

Neighborhood · ZIP 37804These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.160

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
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.28,243
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.838 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,951
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,068
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

643 River Run 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 98% of homes in Maryville 37804
  • Costs more per square foot than 98% of homes in Maryville 37804
  • Bigger than 87% of homes in Maryville 37804
  • Has a bigger lot than 67% of homes in Maryville 37804
  • Newer than 71% of homes in Maryville 37804

What homes are worth in Maryville 37804

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

This home
$121K$925K

This home is worth more than 98% of homes in Maryville 37804.

How it measures up in Maryville 37804

The dot is this home. The mark in the middle is the typical home in Maryville 37804.

Estimated value$919,371
CheaperTypical $336,986Pricier

Pricier than 98% of homes nearby

Price per ft²$372
CheaperTypical $221Pricier

Pricier than 98% of homes nearby

Living area2,472 ft²
SmallerTypical 1,532 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.56 ac
SmallerTypical 0.4 acBigger

Bigger than 67% of homes nearby

Year built1998
OlderTypical 1981Newer

Newer than 71% of homes nearby

How 643 River Run Dr ranks against every home in each area.
MeasureThis homeMaryville 37804Blount County
Estimated valuepricier than$919,37198% of homes95% of homes
Price per ft²pricier than$37298% of homes93% of homes
Living areabigger than2,472 ft²87% of homes84% of homes
Lot sizebigger than0.56 ac67% of homes47% of homes
Year builtnewer than199871% of homes66% of homes

About 643 River Run Dr

How much is 643 River Run Dr, Maryville, TN worth?

The TopHap Estimate for 643 River Run Dr, Maryville, TN is $919,371 as of Jul 14, 2026. The likely range is $848,257 to $990,485. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 River Run Dr, Maryville, TN last sell?

643 River Run Dr, Maryville, TN last sold on Jul 22, 2019 for $450,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 643 River Run Dr, Maryville, TN?

643 River Run Dr, Maryville, TN has 5 bathrooms, 2,472 square feet of living space and a 0.56-acre lot.

When was 643 River Run Dr, Maryville, TN built?

643 River Run Dr, Maryville, TN was built in 1998, making it 28 years old. The building has 2 stories.

What schools serve 643 River Run Dr, Maryville, TN?

643 River Run Dr, Maryville, TN is assigned to Heritage High School (high), rated B+; Heritage Middle School (middle), rated B-; Porter Elementary School (elementary), rated A. All sit in Blount County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 River Run Dr, Maryville, TN compare to other homes in Maryville 37804?

Among the 10,756 homes in Maryville 37804, it is worth more than 98% of them ($919,371 against a typical $336,986), its price per square foot is higher than 98% of them ($372 against a typical $221), it is bigger than 87% of them (2,472 ft² against a typical 1,532 ft²), its lot is bigger than 67% of them (0.56 ac against a typical 0.4 ac) and it is newer than 71% of them (1998 against a typical 1981). Measured against all of Blount County, it is worth more than 95% 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 643 River Run Dr, Maryville, TN?

The 2025 property tax bill for 643 River Run Dr, Maryville, TN was $2,728. The county assessed it at $171,600.

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Assigned schools

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