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Single Family ResidenceResidential
$367,440$160 / 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 95How 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 $255,232 on Aug 6, 2019

517 CASTLEBY DR

DUNCAN, SC 29334
4
Beds
3
Baths
2,298 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2019
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$367K
$348K low$387K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,232 · Aug 6, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,540 (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.$11,739 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,395
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,344
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$11,739
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,700

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.Raised Ranch
CountySpartanburg
Lot (acres)The size of the land the home sits on, from county records.0.25
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(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.

E
Reidville Elementary School
Elementary · Grades PK–5 · 0.7 mi
M
Abner Middle SchoolA+
Middle · Grades 6–8 · 3.1 mi
H
James F. Byrnes High SchoolC
High · Grades 10–12 · 4.4 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

517 Castleby Dr 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 78% of homes in Spartanburg County
  • Bigger than 81% of homes in Spartanburg County
  • Has a smaller lot than 76% of homes in Spartanburg County
  • Newer than 88% of homes in Spartanburg County

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
$125K$706K

This home is worth more than 73% 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$367,440
CheaperTypical $301,420Pricier

Pricier than 73% of homes nearby

Price per ft²$160
CheaperTypical $156Pricier

Pricier than 55% of homes nearby

Living area2,298 ft²
SmallerTypical 1,876 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.25 ac
SmallerTypical 0.31 acBigger

Bigger than 42% of homes nearby

Year built2019
OlderTypical 2004Newer

Newer than 82% of homes nearby

How 517 Castleby Dr ranks against every home in each area.
MeasureThis homeDuncan 29334Spartanburg County
Estimated valuepricier than$367,44073% of homes78% of homes
Price per ft²pricier than$16055% of homes53% of homes
Living areabigger than2,298 ft²70% of homes81% of homes
Lot sizebigger than0.25 ac42% of homes24% of homes
Year builtnewer than201982% of homes88% of homes

About 517 Castleby Dr

How much is 517 Castleby Dr, Duncan, SC worth?

The TopHap Estimate for 517 Castleby Dr, Duncan, SC is $367,440 as of Sep 24, 2026. The likely range is $347,910 to $386,970. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 517 Castleby Dr, Duncan, SC last sell?

517 Castleby Dr, Duncan, SC last sold on Aug 6, 2019 for $255,232, according to the county's recorded deed.

How big is 517 Castleby Dr, Duncan, SC?

517 Castleby Dr, Duncan, SC has 4 bedrooms, 3 bathrooms, 2,298 square feet of living space and a 0.25-acre lot.

When was 517 Castleby Dr, Duncan, SC built?

517 Castleby Dr, Duncan, SC was built in 2019, making it 7 years old. It is a raised ranch home. The building has 1 story.

What schools serve 517 Castleby Dr, Duncan, SC?

517 Castleby Dr, Duncan, SC is assigned to Reidville Elementary School (elementary); Abner Middle School (middle), rated A+; James F. Byrnes High School (high), rated C. All sit in Spartanburg School District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 517 Castleby Dr, Duncan, SC compare to other homes in Duncan 29334?

Among the 6,700 homes in Duncan 29334, it is worth more than 73% of them ($367,440 against a typical $301,420), its price per square foot is higher than 55% of them ($160 against a typical $156), it is bigger than 70% of them (2,298 ft² against a typical 1,876 ft²), its lot is bigger than 42% of them (0.25 ac against a typical 0.31 ac) and it is newer than 82% of them (2019 against a typical 2004). Measured against all of Spartanburg County, it is worth more than 78% 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 517 Castleby Dr, Duncan, SC?

The 2025 property tax bill for 517 Castleby Dr, Duncan, SC was $1,540. The county assessed it at $11,739.

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