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Single Family ResidenceResidential
$232,025$120 / 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 87How 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

228 CATAWBA ST

ERWIN, TN 37650
2
Baths
1,928 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.
50 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$232K
$202K low$262K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$30,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,950
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$30,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$123,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyUnicoi
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.1990
Lot (acres)The size of the land the home sits on, from county records.50.00
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.Package
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 · 96 ft²Patio · 96 ft²Porch · 144 ft²

Transaction History(1)

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.

M
Unicoi County Middle SchoolC+
Middle · Grades 6–8 · 0.5 mi
E
Love Chapel Elementary SchoolB
Elementary · Grades KG–5 · 0.6 mi
H
Unicoi County High SchoolB
High · Grades 9–12 · 0.7 mi

District: Unicoi County School District

Neighborhood · ZIP 37650These 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.110
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 100.117

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.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
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.12,019
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,721
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,369
Average tempThe average temperature here across a full year.52°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.53%

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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

228 Catawba 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.

  • Costs less per square foot than 80% of homes in Unicoi County
  • Bigger than 84% of homes in Erwin 37650
  • Has a bigger lot than 71% of homes in Unicoi County
  • Among the oldest homes in Erwin 37650

What homes are worth in Erwin 37650

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

This home
$61K$533K

This home is worth more than 60% of homes in Erwin 37650.

How it measures up in Erwin 37650

The dot is this home. The mark in the middle is the typical home in Erwin 37650.

Estimated value$232,025
CheaperTypical $203,098Pricier

Pricier than 60% of homes nearby

Price per ft²$120
CheaperTypical $150Pricier

Pricier than 22% of homes nearby

Living area1,928 ft²
SmallerTypical 1,300 ft²Bigger

Bigger than 84% of homes nearby

Lot size50 ac
SmallerTypical 4.9 acBigger

Bigger than 64% of homes nearby

Year built1900
OlderTypical 1966Newer

Older than almost all homes nearby

How 228 Catawba St ranks against every home in each area.
MeasureThis homeErwin 37650Unicoi County
Estimated valuepricier than$232,02560% of homes54% of homes
Price per ft²pricier than$12022% of homes20% of homes
Living areabigger than1,928 ft²84% of homes81% of homes
Lot sizebigger than50 ac64% of homes71% of homes
Year builtnewer than1900almost no homesalmost no homes

About 228 Catawba St

How much is 228 Catawba St, Erwin, TN worth?

The TopHap Estimate for 228 Catawba St, Erwin, TN is $232,025 as of Sep 24, 2026. The likely range is $201,723 to $262,327. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 228 Catawba St, Erwin, TN last sell?

228 Catawba St, Erwin, TN last sold on Jan 11, 1993, according to the county's recorded deed.

How big is 228 Catawba St, Erwin, TN?

228 Catawba St, Erwin, TN has 2 bathrooms, 1,928 square feet of living space and a 50.00-acre lot.

When was 228 Catawba St, Erwin, TN built?

228 Catawba St, Erwin, TN was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 228 Catawba St, Erwin, TN?

228 Catawba St, Erwin, TN is assigned to Unicoi County Middle School (middle), rated C+; Love Chapel Elementary School (elementary), rated B; Unicoi County High School (high), rated B. All sit in Unicoi County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 228 Catawba St, Erwin, TN compare to other homes in Erwin 37650?

Among the 5,562 homes in Erwin 37650, it is worth more than 60% of them ($232,025 against a typical $203,098), its price per square foot is higher than 22% of them ($120 against a typical $150), it is bigger than 84% of them (1,928 ft² against a typical 1,300 ft²), its lot is bigger than 64% of them (50 ac against a typical 4.9 ac) and it is newer than almost none of them (1900 against a typical 1966). Measured against all of Unicoi County, it is worth more than 54% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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