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Single Family ResidenceResidential
$661,324$373 / 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 84How 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

312 SANDCASTLE LN

SAINT SIMONS ISLAND, GA 31522
3
Beds
3 / 1
Baths
1,773 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$661K
$558K low$764K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,275 (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.$210,320 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$90,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$120,320
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$210,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$525,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.40
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
89
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
57
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
7
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.36 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.0.2 percent flood zone

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.Cape Cod
CountyGlynn
Lot (acres)The size of the land the home sits on, from county records.0.14
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.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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 · 383 ft²Porch · 333 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
St. Simons Elementary SchoolA
Elementary · Grades KG–5 · 0.8 mi
M
Glynn Middle SchoolB-
Middle · Grades 6–8 · 5.3 mi
H
Glynn AcademyA+
High · Grades 9–12 · 5.8 mi

District: Glynn County School District

Neighborhood · ZIP 31522These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.68
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.73%
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.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.17,404
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.233 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,572
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,416
Average tempThe average temperature here across a full year.68°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.66%

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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

312 Sandcastle 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 76% of homes in Glynn County
  • Costs more per square foot than 79% of homes in Glynn County
  • Has a smaller lot than 86% of homes in Glynn County

What homes are worth in Saint Simons Island 31522

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

This home
$271K$3.2M

This home is worth more than 42% of homes in Saint Simons Island 31522.

How it measures up in Saint Simons Island 31522

The dot is this home. The mark in the middle is the typical home in Saint Simons Island 31522.

Estimated value$661,324
CheaperTypical $729,434Pricier

Pricier than 42% of homes nearby

Price per ft²$373
CheaperTypical $384Pricier

Pricier than 47% of homes nearby

Living area1,773 ft²
SmallerTypical 1,881 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.14 ac
SmallerTypical 0.24 acBigger

Bigger than 20% of homes nearby

Year built1991
OlderTypical 1990Newer

Newer than 52% of homes nearby

How 312 Sandcastle Ln ranks against every home in each area.
MeasureThis homeSaint Simons Island 31522Glynn County
Estimated valuepricier than$661,32442% of homes76% of homes
Price per ft²pricier than$37347% of homes79% of homes
Living areabigger than1,773 ft²45% of homes54% of homes
Lot sizebigger than0.14 ac20% of homes14% of homes
Year builtnewer than199152% of homes52% of homes

About 312 Sandcastle Ln

How much is 312 Sandcastle Ln, Saint Simons Island, GA worth?

The TopHap Estimate for 312 Sandcastle Ln, Saint Simons Island, GA is $661,324 as of Aug 30, 2026. The likely range is $558,201 to $764,447. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 312 Sandcastle Ln, Saint Simons Island, GA?

312 Sandcastle Ln, Saint Simons Island, GA has 3 bedrooms, 3 bathrooms, 1,773 square feet of living space and a 0.14-acre lot.

When was 312 Sandcastle Ln, Saint Simons Island, GA built?

312 Sandcastle Ln, Saint Simons Island, GA was built in 1991, making it 35 years old. It is a cape cod home. The building has 2 stories.

What schools serve 312 Sandcastle Ln, Saint Simons Island, GA?

312 Sandcastle Ln, Saint Simons Island, GA is assigned to St. Simons Elementary School (elementary), rated A; Glynn Middle School (middle), rated B-; Glynn Academy (high), rated A+. All sit in Glynn County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 312 Sandcastle Ln, Saint Simons Island, GA compare to other homes in Saint Simons Island 31522?

Among the 11,998 homes in Saint Simons Island 31522, it is worth more than 42% of them ($661,324 against a typical $729,434), its price per square foot is higher than 47% of them ($373 against a typical $384), it is bigger than 45% of them (1,773 ft² against a typical 1,881 ft²), its lot is bigger than 20% of them (0.14 ac against a typical 0.24 ac) and it is newer than 52% of them (1991 against a typical 1990). Measured against all of Glynn County, it is worth more than 76% 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 312 Sandcastle Ln, Saint Simons Island, GA?

The 2025 property tax bill for 312 Sandcastle Ln, Saint Simons Island, GA was $5,275. The county assessed it at $210,320.

More homes on Sandcastle Ln

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More homes in Saint Simons Island 31522

Assigned schools

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