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Single Family ResidenceResidential
$659,000$287 / 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 89How 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 $280,000 on Feb 10, 2021

340 RIVER KNOLL DR

SANDY SPRINGS, GA 30328
5
Beds
3
Baths
2,297 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.
0.74 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$659K
$584K low$734K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$280,000 · Feb 10, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,058 (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.$196,360 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$71,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$124,880
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$196,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$490,900

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.52
25
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
85
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Modern
CountyFULTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.0.74
HeatingThe type of heating system in the home.Yes
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.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood / Spot
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 1,012 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
Spalding Drive Elementary SchoolA
Elementary · Grades PK–5 · 0.7 mi
H
North Springs High SchoolB+
High · Grades 9–12 · 1.9 mi
M
Sandy Springs Middle SchoolB-
Middle · Grades 6–8 · 4.7 mi

District: Fulton County School District

Neighborhood · ZIP 30328These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.54

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.41,453
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,183 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,929
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,546
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

340 River Knoll 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 69% of homes in Fulton County
  • Costs more per square foot than 88% of homes in North Riverside
  • Smaller than 89% of homes in North Riverside
  • Has a bigger lot than 88% of homes in Atlanta 30328
  • Older than 67% of homes in Fulton County

What homes are worth in Atlanta 30328

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

This home
$157K$2M

This home is worth more than 55% of homes in Atlanta 30328.

How it measures up in Atlanta 30328

The dot is this home. The mark in the middle is the typical home in Atlanta 30328.

Estimated value$659,000
CheaperTypical $626,392Pricier

Pricier than 55% of homes nearby

Price per ft²$287
CheaperTypical $273Pricier

Pricier than 55% of homes nearby

Living area2,297 ft²
SmallerTypical 2,137 ft²Bigger

Bigger than 54% of homes nearby

Lot size0.74 ac
SmallerTypical 0.18 acBigger

Bigger than 88% of homes nearby

Year built1973
OlderTypical 1980Newer

Newer than 41% of homes nearby

How 340 River Knoll Dr ranks against every home in each area.
MeasureThis homeNorth RiversideAtlanta 30328Fulton County
Estimated valuepricier than$659,00038% of homes55% of homes69% of homes
Price per ft²pricier than$28788% of homes55% of homes67% of homes
Living areabigger than2,297 ft²11% of homes54% of homes62% of homes
Lot sizebigger than0.74 ac42% of homes88% of homes88% of homes
Year builtnewer than197362% of homes41% of homes33% of homes

About 340 River Knoll Dr

How much is 340 River Knoll Dr, Sandy Springs, GA worth?

The TopHap Estimate for 340 River Knoll Dr, Sandy Springs, GA is $659,000 as of Sep 24, 2026. The likely range is $584,121 to $733,879. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 River Knoll Dr, Sandy Springs, GA last sell?

340 River Knoll Dr, Sandy Springs, GA last sold on Feb 10, 2021 for $280,000, according to the county's recorded deed.

How big is 340 River Knoll Dr, Sandy Springs, GA?

340 River Knoll Dr, Sandy Springs, GA has 5 bedrooms, 3 bathrooms, 2,297 square feet of living space and a 0.74-acre lot.

When was 340 River Knoll Dr, Sandy Springs, GA built?

340 River Knoll Dr, Sandy Springs, GA was built in 1973, making it 53 years old. It is a modern home. The building has 1 story.

What schools serve 340 River Knoll Dr, Sandy Springs, GA?

340 River Knoll Dr, Sandy Springs, GA is assigned to Spalding Drive Elementary School (elementary), rated A; North Springs High School (high), rated B+; Sandy Springs Middle School (middle), rated B-. All sit in Fulton County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 River Knoll Dr, Sandy Springs, GA compare to other homes in Atlanta 30328?

Among the 11,882 homes in Atlanta 30328, it is worth more than 55% of them ($659,000 against a typical $626,392), its price per square foot is higher than 55% of them ($287 against a typical $273), it is bigger than 54% of them (2,297 ft² against a typical 2,137 ft²), its lot is bigger than 88% of them (0.74 ac against a typical 0.18 ac) and it is newer than 41% of them (1973 against a typical 1980). Measured against all of Fulton County, it is worth more than 69% 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 340 River Knoll Dr, Sandy Springs, GA?

The 2025 property tax bill for 340 River Knoll Dr, Sandy Springs, GA was $6,058. The county assessed it at $196,360.

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