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Single Family ResidenceResidential
$102,870$88 / 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 64How 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

509 GAVIN ST

SAINT GEORGE, SC 29477
3
Beds
1
Baths
1,165 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$103K
$66K low$140K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$948 (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.$3,372 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,272
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,372
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$56,207

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.7 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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyDorchester
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
William Memorial Elementary SchoolA-
Elementary · Grades PK–5 · 0.5 mi
H
Woodland High SchoolD+
High · Grades 9–12 · 5.3 mi
M
Woodland Middle School
Middle · Grades 6–8 · 5.8 mi

District: Dorchester School District 4

Neighborhood · ZIP 29477These 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.169
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.327

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.29%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.6,565
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.61 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$52,923
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,743
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

509 Gavin St 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.

  • Among the least valuable homes in Dorchester County
  • Among the lowest price per square foot in Dorchester County
  • Smaller than 90% of homes in Dorchester County
  • Has a smaller lot than 97% of homes in Saint George 29477
  • Older than 85% of homes in Dorchester County

What homes are worth in Saint George 29477

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

This home
$68K$741K

This home is worth more than 8% of homes in Saint George 29477.

How it measures up in Saint George 29477

The dot is this home. The mark in the middle is the typical home in Saint George 29477.

Estimated value$102,870
CheaperTypical $287,310Pricier

Pricier than 8% of homes nearby

Price per ft²$88
CheaperTypical $166Pricier

Pricier than 8% of homes nearby

Living area1,165 ft²
SmallerTypical 1,636 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.18 ac
SmallerTypical 1.07 acBigger

Bigger than 3% of homes nearby

Year built1979
OlderTypical 1982Newer

Newer than 44% of homes nearby

How 509 Gavin St ranks against every home in each area.
MeasureThis homeSaint George 29477Dorchester County
Estimated valuepricier than$102,8708% of homesalmost no homes
Price per ft²pricier than$888% of homesalmost no homes
Living areabigger than1,165 ft²22% of homes10% of homes
Lot sizebigger than0.18 ac3% of homes35% of homes
Year builtnewer than197944% of homes15% of homes

About 509 Gavin St

How much is 509 Gavin St, Saint George, SC worth?

The TopHap Estimate for 509 Gavin St, Saint George, SC is $102,870 as of Aug 30, 2026. The likely range is $66,207 to $139,533. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 509 Gavin St, Saint George, SC?

509 Gavin St, Saint George, SC has 3 bedrooms, 1 bathrooms, 1,165 square feet of living space and a 0.18-acre lot.

When was 509 Gavin St, Saint George, SC built?

509 Gavin St, Saint George, SC was built in 1979, making it 47 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Gavin St, Saint George, SC?

509 Gavin St, Saint George, SC is assigned to William Memorial Elementary School (elementary), rated A-; Woodland High School (high), rated D+; Woodland Middle School (middle). All sit in Dorchester School District 4. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Gavin St, Saint George, SC compare to other homes in Saint George 29477?

Among the 2,194 homes in Saint George 29477, it is worth more than 8% of them ($102,870 against a typical $287,310), its price per square foot is higher than 8% of them ($88 against a typical $166), it is bigger than 22% of them (1,165 ft² against a typical 1,636 ft²), its lot is bigger than 3% of them (0.18 ac against a typical 1.07 ac) and it is newer than 44% of them (1979 against a typical 1982). Measured against all of Dorchester County, it is worth more than almost no 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 Gavin St, Saint George, SC?

The 2025 property tax bill for 509 Gavin St, Saint George, SC was $948. The county assessed it at $3,372.

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