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Single Family ResidenceResidential
$410,631$165 / 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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

3620 PRESTON LN

KNOXVILLE, TN 37921
4
Beds
4
Baths
2,486 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.
0.22 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.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$411K
$364K low$457K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,029 (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.$130,560 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$326,400

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.12 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.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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, 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.Deck · 80 ft²Porch · 220 ft²

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

M
Powell Middle SchoolC-
Middle · Grades 6–8 · 0.7 mi
E
Powell Elementary SchoolB-
Elementary · Grades KG–5 · 1.5 mi
H
Karns High SchoolB
High · Grades 9–12 · 5.8 mi

District: Knox County School District

Neighborhood · ZIP 37921These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.154

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
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.0.9%
PopulationHow many people live in this area.32,182
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,057 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$56,206
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$68,178
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

3620 Preston Ln 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 89% of homes in Knoxville 37921
  • Costs less per square foot than 89% of homes in Knox County
  • Bigger than 95% of homes in Knoxville 37921
  • Has a smaller lot than 74% of homes in Knox County
  • Newer than 79% of homes in Knoxville 37921

What homes are worth in Knoxville 37921

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

This home
$95K$541K

This home is worth more than 89% of homes in Knoxville 37921.

How it measures up in Knoxville 37921

The dot is this home. The mark in the middle is the typical home in Knoxville 37921.

Estimated value$410,631
CheaperTypical $298,447Pricier

Pricier than 89% of homes nearby

Price per ft²$165
CheaperTypical $206Pricier

Pricier than 22% of homes nearby

Living area2,486 ft²
SmallerTypical 1,352 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.22 ac
SmallerTypical 0.25 acBigger

Bigger than 41% of homes nearby

Year built1998
OlderTypical 1975Newer

Newer than 79% of homes nearby

How 3620 Preston Ln ranks against every home in each area.
MeasureThis homeKnoxville 37921Knox County
Estimated valuepricier than$410,63189% of homes56% of homes
Price per ft²pricier than$16522% of homes11% of homes
Living areabigger than2,486 ft²95% of homes76% of homes
Lot sizebigger than0.22 ac41% of homes26% of homes
Year builtnewer than199879% of homes68% of homes

About 3620 Preston Ln

How much is 3620 Preston Ln, Knoxville, TN worth?

The TopHap Estimate for 3620 Preston Ln, Knoxville, TN is $410,631 as of Oct 21, 2026. The likely range is $364,113 to $457,149. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3620 Preston Ln, Knoxville, TN last sell?

3620 Preston Ln, Knoxville, TN last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3620 Preston Ln, Knoxville, TN?

3620 Preston Ln, Knoxville, TN has 4 bedrooms, 4 bathrooms, 2,486 square feet of living space and a 0.22-acre lot.

When was 3620 Preston Ln, Knoxville, TN built?

3620 Preston Ln, Knoxville, TN was built in 1998, making it 28 years old. It is a ranch home. The building has 1 story.

What schools serve 3620 Preston Ln, Knoxville, TN?

3620 Preston Ln, Knoxville, TN is assigned to Powell Middle School (middle), rated C-; Powell Elementary School (elementary), rated B-; Karns High School (high), rated B. All sit in Knox County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3620 Preston Ln, Knoxville, TN compare to other homes in Knoxville 37921?

Among the 10,298 homes in Knoxville 37921, it is worth more than 89% of them ($410,631 against a typical $298,447), its price per square foot is higher than 22% of them ($165 against a typical $206), it is bigger than 95% of them (2,486 ft² against a typical 1,352 ft²), its lot is bigger than 41% of them (0.22 ac against a typical 0.25 ac) and it is newer than 79% of them (1998 against a typical 1975). Measured against all of Knox County, it is worth more than 56% 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 3620 Preston Ln, Knoxville, TN?

The 2025 property tax bill for 3620 Preston Ln, Knoxville, TN was $2,029. The county assessed it at $130,560.

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