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Single Family ResidenceResidential
$701,372$175 / 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 97How 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 $35,000 on Mar 7, 2019

660 MOUNT VERNON LN

DUNCAN, SC 29334
4
Beds
4
Baths
4,002 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$701K
$678K low$725K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$35,000 · Mar 7, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,162 (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.$20,593 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,045
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,548
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,593
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$632,300

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.53 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
CountySpartanburg
Lot (acres)The size of the land the home sits on, from county records.0.98
ConstructionThe main material the home's frame and walls are built from.Brick
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Brick (Unspecified)
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 474 ft²Porch · 28 ft²

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
River Ridge Elementary School
Elementary · Grades PK–5 · 0.7 mi
M
Florence Chapel Middle SchoolB-
Middle · Grades 6–8 · 1.1 mi
H
James F. Byrnes High SchoolC
High · Grades 10–12 · 4.2 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

660 Mount Vernon 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 98% of homes in Duncan 29334
  • Costs more per square foot than 73% of homes in Duncan 29334
  • Bigger than 98% of homes in Duncan 29334
  • Has a bigger lot than 86% of homes in Duncan 29334
  • Newer than 77% 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
$131K$696K

This home is worth more than 98% 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$701,372
CheaperTypical $302,832Pricier

Pricier than 98% of homes nearby

Price per ft²$175
CheaperTypical $156Pricier

Pricier than 73% of homes nearby

Living area4,002 ft²
SmallerTypical 1,868 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.98 ac
SmallerTypical 0.31 acBigger

Bigger than 86% of homes nearby

Year built2008
OlderTypical 2004Newer

Newer than 58% of homes nearby

How 660 Mount Vernon Ln ranks against every home in each area.
MeasureThis homeDuncan 29334Spartanburg County
Estimated valuepricier than$701,37298% of homes97% of homes
Price per ft²pricier than$17573% of homes68% of homes
Living areabigger than4,002 ft²98% of homes98% of homes
Lot sizebigger than0.98 ac86% of homes73% of homes
Year builtnewer than200858% of homes77% of homes

About 660 Mount Vernon Ln

How much is 660 Mount Vernon Ln, Duncan, SC worth?

The TopHap Estimate for 660 Mount Vernon Ln, Duncan, SC is $701,372 as of Sep 24, 2026. The likely range is $678,189 to $724,555. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 660 Mount Vernon Ln, Duncan, SC last sell?

660 Mount Vernon Ln, Duncan, SC last sold on Mar 7, 2019 for $35,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 660 Mount Vernon Ln, Duncan, SC?

660 Mount Vernon Ln, Duncan, SC has 4 bedrooms, 4 bathrooms, 4,002 square feet of living space and a 0.98-acre lot.

When was 660 Mount Vernon Ln, Duncan, SC built?

660 Mount Vernon Ln, Duncan, SC was built in 2008, making it 18 years old. The building has 2 stories.

What schools serve 660 Mount Vernon Ln, Duncan, SC?

660 Mount Vernon Ln, Duncan, SC is assigned to River Ridge Elementary School (elementary); Florence Chapel Middle School (middle), rated B-; 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 660 Mount Vernon Ln, Duncan, SC compare to other homes in Duncan 29334?

Among the 6,704 homes in Duncan 29334, it is worth more than 98% of them ($701,372 against a typical $302,832), its price per square foot is higher than 73% of them ($175 against a typical $156), it is bigger than 98% of them (4,002 ft² against a typical 1,868 ft²), its lot is bigger than 86% of them (0.98 ac against a typical 0.31 ac) and it is newer than 58% of them (2008 against a typical 2004). Measured against all of Spartanburg County, it is worth more than 97% 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 660 Mount Vernon Ln, Duncan, SC?

The 2025 property tax bill for 660 Mount Vernon Ln, Duncan, SC was $3,162. The county assessed it at $20,593.

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