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Single Family ResidenceResidential
$449,781$130 / 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 Aug 30, 2026
Last sold for $322,850 on Oct 12, 2021

421 MARIETTA LN

DUNCAN, SC 29334
5
Beds
3
Baths
3,465 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$450K
$415K low$485K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$322,850 · Oct 12, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,441 (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.$14,848 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,275
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,573
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,848
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$417,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountySpartanburg
Lot (acres)The size of the land the home sits on, from county records.0.19
ConstructionThe main material the home's frame and walls are built from.Stone
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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

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.

E
Abner Creek AcademyA-
Elementary · Grades PK–5 · 0.2 mi
M
Abner Middle School
Middle · Grades 6–8 · 0.4 mi
H
James F. Byrnes High SchoolA-
High · Grades 10–12 · 4.7 mi

District: Spartanburg School District 5

Neighborhood · ZIP 29334These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.93

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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.19,806
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.887 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$81,137
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,412
Average tempThe average temperature here across a full year.60°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.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

421 Marietta 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 88% of homes in Spartanburg County
  • Costs less per square foot than 87% of homes in Duncan 29334
  • Bigger than 96% of homes in Spartanburg County
  • Has a smaller lot than 86% of homes in Spartanburg County
  • Newer than 95% of homes in Duncan 29334

What homes are worth in Duncan 29334

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

This home
$120K$707K

This home is worth more than 87% of homes in Duncan 29334.

How it measures up in Duncan 29334

The dot is this home. The mark in the middle is the typical home in Duncan 29334.

Estimated value$449,781
CheaperTypical $303,154Pricier

Pricier than 87% of homes nearby

Price per ft²$130
CheaperTypical $155Pricier

Pricier than 13% of homes nearby

Living area3,465 ft²
SmallerTypical 1,862 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.19 ac
SmallerTypical 0.31 acBigger

Bigger than 23% of homes nearby

Year built2021
OlderTypical 2004Newer

Newer than 95% of homes nearby

How 421 Marietta Ln ranks against every home in each area.
MeasureThis homeDuncan 29334Spartanburg County
Estimated valuepricier than$449,78187% of homes88% of homes
Price per ft²pricier than$13013% of homes27% of homes
Living areabigger than3,465 ft²95% of homes96% of homes
Lot sizebigger than0.19 ac23% of homes14% of homes
Year builtnewer than202195% of homes94% of homes

About 421 Marietta Ln

How much is 421 Marietta Ln, Duncan, SC worth?

The TopHap Estimate for 421 Marietta Ln, Duncan, SC is $449,781 as of Aug 30, 2026. The likely range is $414,580 to $484,982. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Marietta Ln, Duncan, SC last sell?

421 Marietta Ln, Duncan, SC last sold on Oct 12, 2021 for $322,850, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 421 Marietta Ln, Duncan, SC?

421 Marietta Ln, Duncan, SC has 5 bedrooms, 3 bathrooms, 3,465 square feet of living space and a 0.19-acre lot.

When was 421 Marietta Ln, Duncan, SC built?

421 Marietta Ln, Duncan, SC was built in 2021, making it 5 years old. The building has 2 stories.

What schools serve 421 Marietta Ln, Duncan, SC?

421 Marietta Ln, Duncan, SC is assigned to Abner Creek Academy (elementary), rated A-; Abner Middle School (middle); James F. Byrnes High School (high), rated A-. All sit in Spartanburg School District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Marietta Ln, Duncan, SC compare to other homes in Duncan 29334?

Among the 6,708 homes in Duncan 29334, it is worth more than 87% of them ($449,781 against a typical $303,154), its price per square foot is higher than 13% of them ($130 against a typical $155), it is bigger than 95% of them (3,465 ft² against a typical 1,862 ft²), its lot is bigger than 23% of them (0.19 ac against a typical 0.31 ac) and it is newer than 95% of them (2021 against a typical 2004). Measured against all of Spartanburg County, it is worth more than 88% 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 421 Marietta Ln, Duncan, SC?

The 2025 property tax bill for 421 Marietta Ln, Duncan, SC was $3,441. The county assessed it at $14,848.

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