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Single Family ResidenceResidential
$455,823$170 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

509 MARY KNOB

GREENVILLE, SC 29607
4
Beds
3
Baths
2,680 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.
2,680 ft²
Lot SizeThe size of the land the home sits on, from county records.
1990
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

$456K
$429K low$482K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$395,823
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$316,658
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.13%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$60,000
FIRST CITIZENS BANK & TRUST CO · recorded Apr 19, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,717 (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.$12,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,740
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,660
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,780
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$407,520

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.Conventional
CountyGreenville
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
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

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
Dr. Phinnize J. Fisher Middle SchoolB+
Middle · Grades 6–8 · 1.6 mi
H
Mauldin High SchoolA+
High · Grades 9–12 · 1.8 mi
E
Mauldin Elementary SchoolC
Elementary · Grades PK–5 · 2.8 mi

District: Greenville County School District

Neighborhood · ZIP 29607These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.52,770
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,831 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,312
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,782
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.53 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 Mary Knob 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 70% of homes in Greenville County
  • Costs less per square foot than 79% of homes in Greenville 29607
  • Bigger than 80% of homes in Greenville County
  • Has a smaller lot than 84% of homes in Greenville 29607

What homes are worth in Greenville 29607

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

This home
$174K$1.7M

This home is worth more than 64% of homes in Greenville 29607.

How it measures up in Greenville 29607

The dot is this home. The mark in the middle is the typical home in Greenville 29607.

Estimated value$455,823
CheaperTypical $389,310Pricier

Pricier than 64% of homes nearby

Price per ft²$170
CheaperTypical $207Pricier

Pricier than 21% of homes nearby

Living area2,680 ft²
SmallerTypical 1,903 ft²Bigger

Bigger than 78% of homes nearby

Lot size2,680 ft²
SmallerTypical 0.21 acBigger

Bigger than 16% of homes nearby

Year built1990
OlderTypical 1995Newer

Newer than 48% of homes nearby

How 509 Mary Knob ranks against every home in each area.
MeasureThis homeGreenville 29607Greenville County
Estimated valuepricier than$455,82364% of homes70% of homes
Price per ft²pricier than$17021% of homes35% of homes
Living areabigger than2,680 ft²78% of homes80% of homes
Lot sizebigger than2,680 ft²16% of homes17% of homes
Year builtnewer than199048% of homes46% of homes

About 509 Mary Knob

How much is 509 Mary Knob, Greenville, SC worth?

The TopHap Estimate for 509 Mary Knob, Greenville, SC is $455,823 as of Jul 14, 2026. The likely range is $429,300 to $482,346. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 509 Mary Knob, Greenville, SC?

509 Mary Knob, Greenville, SC has 4 bedrooms, 3 bathrooms and 2,680 square feet of living space.

When was 509 Mary Knob, Greenville, SC built?

509 Mary Knob, Greenville, SC was built in 1990, making it 36 years old. It is a conventional home. The building has 2 stories.

What schools serve 509 Mary Knob, Greenville, SC?

509 Mary Knob, Greenville, SC is assigned to Dr. Phinnize J. Fisher Middle School (middle), rated B+; Mauldin High School (high), rated A+; Mauldin Elementary School (elementary), rated C. All sit in Greenville County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Mary Knob, Greenville, SC compare to other homes in Greenville 29607?

Among the 13,816 homes in Greenville 29607, it is worth more than 64% of them ($455,823 against a typical $389,310), its price per square foot is higher than 21% of them ($170 against a typical $207), it is bigger than 78% of them (2,680 ft² against a typical 1,903 ft²), its lot is bigger than 16% of them (2,680 ft² against a typical 0.21 ac) and it is newer than 48% of them (1990 against a typical 1995). Measured against all of Greenville County, it is worth more than 70% 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 509 Mary Knob, Greenville, SC?

The 2025 property tax bill for 509 Mary Knob, Greenville, SC was $1,717. The county assessed it at $12,400.

Closest homes

More homes in Greenville 29607

Assigned schools

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