Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$159,508$158 / 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 85How 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
Last sold for $159,900 on Mar 11, 2026

646 MAIN ST

ALTAMONT, TN 37301
1
Baths
1,008 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.
1.98 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$160K
$135K low$184K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$159,900 · Mar 11, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$383 (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.$26,850 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,275
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,575
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$26,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$107,400

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGrundy
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.1984
Lot (acres)The size of the land the home sits on, from county records.1.98
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.None
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Finished
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 144 ft²Patio · 144 ft²Porch · 24 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.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
North Elementary SchoolB
Elementary · Grades PK–8 · 0.3 mi
H
Grundy County High SchoolB-
High · Grades 9–12 · 3.1 mi

District: Grundy County School District

Neighborhood · ZIP 37301These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.139
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.9.7%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.27%
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.1,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$48,532
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,369
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.63 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

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

646 Main St 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 65% of homes in Grundy County
  • Smaller than 74% of homes in Grundy County
  • Has a smaller lot than 67% of homes in Altamont 37301
  • Older than 85% of homes in Altamont 37301

What homes are worth in Altamont 37301

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

This home
$24K$566K

This home is worth more than 43% of homes in Altamont 37301.

How it measures up in Altamont 37301

The dot is this home. The mark in the middle is the typical home in Altamont 37301.

Estimated value$159,508
CheaperTypical $183,117Pricier

Pricier than 43% of homes nearby

Price per ft²$158
CheaperTypical $151Pricier

Pricier than 55% of homes nearby

Living area1,008 ft²
SmallerTypical 1,228 ft²Bigger

Bigger than 30% of homes nearby

Lot size1.98 ac
SmallerTypical 3.44 acBigger

Bigger than 33% of homes nearby

Year built1969
OlderTypical 1996Newer

Newer than 15% of homes nearby

How 646 Main St ranks against every home in each area.
MeasureThis homeAltamont 37301Grundy County
Estimated valuepricier than$159,50843% of homes35% of homes
Price per ft²pricier than$15855% of homes50% of homes
Living areabigger than1,008 ft²30% of homes26% of homes
Lot sizebigger than1.98 ac33% of homes51% of homes
Year builtnewer than196915% of homes27% of homes

About 646 Main St

How much is 646 Main St, Altamont, TN worth?

The TopHap Estimate for 646 Main St, Altamont, TN is $159,508 as of Sep 24, 2026. The likely range is $135,416 to $183,600. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 646 Main St, Altamont, TN last sell?

646 Main St, Altamont, TN last sold on Mar 11, 2026 for $159,900, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 646 Main St, Altamont, TN?

646 Main St, Altamont, TN has 1 bathrooms, 1,008 square feet of living space and a 1.98-acre lot.

When was 646 Main St, Altamont, TN built?

646 Main St, Altamont, TN was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 646 Main St, Altamont, TN?

646 Main St, Altamont, TN is assigned to North Elementary School (elementary), rated B; Grundy County High School (high), rated B-. All sit in Grundy County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 646 Main St, Altamont, TN compare to other homes in Altamont 37301?

Among the 871 homes in Altamont 37301, it is worth more than 43% of them ($159,508 against a typical $183,117), its price per square foot is higher than 55% of them ($158 against a typical $151), it is bigger than 30% of them (1,008 ft² against a typical 1,228 ft²), its lot is bigger than 33% of them (1.98 ac against a typical 3.44 ac) and it is newer than 15% of them (1969 against a typical 1996). Measured against all of Grundy County, it is worth more than 35% 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 646 Main St, Altamont, TN?

The 2025 property tax bill for 646 Main St, Altamont, TN was $383. The county assessed it at $26,850.

More homes on Main St

Closest homes

More homes in Altamont 37301

Assigned schools

Explore the area

See this home in context

Open 646 Main St 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