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Single Family ResidenceResidential
$390,345$172 / 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 96How 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 $210,000 on Dec 20, 2017

3121 WELLBORN CT SW

MARIETTA, GA 30008
3
Beds
2.5
Baths
2,265 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.
1998
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$390K
$374K low$407K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$210,000 · Dec 20, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,212 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$158,272 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$118,272
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$161,768
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$395,680

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.49
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
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.
94
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.3 in
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.Bi-Level
CountyCOBB
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.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.Patio · 24 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
Smitha Middle SchoolB-
Middle · Grades 6–8 · 0.7 mi
E
Birney Elementary SchoolB-
Elementary · Grades KG–5 · 1.7 mi
H
Osborne High SchoolD-
High · Grades 9–12 · 2.5 mi

District: Cobb County School District

Neighborhood · ZIP 30008These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.60

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.33,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,603 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,294
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,427
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.55 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

3121 Wellborn Ct Sw 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 84% of homes in Marietta 30008
  • Costs less per square foot than 72% of homes in Cobb County
  • Bigger than 78% of homes in Marietta 30008
  • Newer than 74% of homes in Marietta 30008

What homes are worth in Marietta 30008

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

This home
$165K$509K

This home is worth more than 84% of homes in Marietta 30008.

How it measures up in Marietta 30008

The dot is this home. The mark in the middle is the typical home in Marietta 30008.

Estimated value$390,345
CheaperTypical $322,540Pricier

Pricier than 84% of homes nearby

Price per ft²$172
CheaperTypical $183Pricier

Pricier than 38% of homes nearby

Living area2,265 ft²
SmallerTypical 1,762 ft²Bigger

Bigger than 78% of homes nearby

Year built1998
OlderTypical 1987Newer

Newer than 74% of homes nearby

How 3121 Wellborn Ct Sw ranks against every home in each area.
MeasureThis homeMarietta 30008Cobb County
Estimated valuepricier than$390,34584% of homes42% of homes
Price per ft²pricier than$17238% of homes28% of homes
Living areabigger than2,265 ft²78% of homes51% of homes
Year builtnewer than199874% of homes66% of homes

About 3121 Wellborn Ct Sw

How much is 3121 Wellborn Ct Sw, Marietta, GA worth?

The TopHap Estimate for 3121 Wellborn Ct Sw, Marietta, GA is $390,345 as of Sep 24, 2026. The likely range is $373,607 to $407,083. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Wellborn Ct Sw, Marietta, GA last sell?

3121 Wellborn Ct Sw, Marietta, GA last sold on Dec 20, 2017 for $210,000, according to the county's recorded deed.

How big is 3121 Wellborn Ct Sw, Marietta, GA?

3121 Wellborn Ct Sw, Marietta, GA has 3 bedrooms, 2.5 bathrooms and 2,265 square feet of living space.

When was 3121 Wellborn Ct Sw, Marietta, GA built?

3121 Wellborn Ct Sw, Marietta, GA was built in 1998, making it 28 years old. It is a bi-level home. The building has 2 stories.

What schools serve 3121 Wellborn Ct Sw, Marietta, GA?

3121 Wellborn Ct Sw, Marietta, GA is assigned to Smitha Middle School (middle), rated B-; Birney Elementary School (elementary), rated B-; Osborne High School (high), rated D-. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 Wellborn Ct Sw, Marietta, GA compare to other homes in Marietta 30008?

Among the 9,654 homes in Marietta 30008, it is worth more than 84% of them ($390,345 against a typical $322,540), its price per square foot is higher than 38% of them ($172 against a typical $183), it is bigger than 78% of them (2,265 ft² against a typical 1,762 ft²) and it is newer than 74% of them (1998 against a typical 1987). Measured against all of Cobb County, it is worth more than 42% 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 3121 Wellborn Ct Sw, Marietta, GA?

The 2026 property tax bill for 3121 Wellborn Ct Sw, Marietta, GA was $3,212. The county assessed it at $158,272.

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