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Single Family ResidenceResidential
$221,957$207 / 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 91How 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
Last sold for $220,000 on May 22, 2023

521 RIDGE AVE SW

MABLETON, GA 30126
2
Beds
1
Baths
1,074 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$222K
$202K low$242K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$220,000 · May 22, 2023
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.$221,957
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$177,566

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,811 (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.$93,292 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,292
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$196,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$233,230

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.48
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
86
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
91
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.
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
CountyCobb
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)
HeatingThe type of heating system in the home.Heat Pump
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.Carport (Unspecified)
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.Porch · 400 ft²

Transaction History(6)

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
Lindley Middle SchoolB-
Middle · Grades 6–8 · 0.9 mi
H
Pebblebrook High SchoolC-
High · Grades 9–12 · 0.9 mi
E
Clay-Harmony Leland Elementary SchoolB+
Elementary · Grades KG–5 · 1.1 mi

District: Cobb County School District

Neighborhood · ZIP 30126These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.55

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.41,254
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,929 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,309
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,328
Average tempThe average temperature here across a full year.61°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%

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.Yes

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

521 Ridge Ave Sw 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 less than 96% of homes in Cobb County
  • Costs more per square foot than 74% of homes in Mableton 30126
  • Smaller than 96% of homes in Cobb County
  • Has a bigger lot than 89% of homes in Mableton 30126
  • Older than 97% of homes in Mableton 30126

What homes are worth in Mableton 30126

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

This home
$165K$890K

This home is worth more than 13% of homes in Mableton 30126.

How it measures up in Mableton 30126

The dot is this home. The mark in the middle is the typical home in Mableton 30126.

Estimated value$221,957
CheaperTypical $359,467Pricier

Pricier than 13% of homes nearby

Price per ft²$207
CheaperTypical $184Pricier

Pricier than 74% of homes nearby

Living area1,074 ft²
SmallerTypical 1,912 ft²Bigger

Bigger than 5% of homes nearby

Lot size0.58 ac
SmallerTypical 0.25 acBigger

Bigger than 89% of homes nearby

Year built1952
OlderTypical 1999Newer

Newer than 3% of homes nearby

How 521 Ridge Ave Sw ranks against every home in each area.
MeasureThis homeMableton 30126Cobb County
Estimated valuepricier than$221,95713% of homes4% of homes
Price per ft²pricier than$20774% of homes47% of homes
Living areabigger than1,074 ft²5% of homes4% of homes
Lot sizebigger than0.58 ac89% of homes88% of homes
Year builtnewer than19523% of homes3% of homes

About 521 Ridge Ave Sw

How much is 521 Ridge Ave Sw, Mableton, GA worth?

The TopHap Estimate for 521 Ridge Ave Sw, Mableton, GA is $221,957 as of Jul 14, 2026. The likely range is $201,763 to $242,151. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Ridge Ave Sw, Mableton, GA last sell?

521 Ridge Ave Sw, Mableton, GA last sold on May 22, 2023 for $220,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 521 Ridge Ave Sw, Mableton, GA?

521 Ridge Ave Sw, Mableton, GA has 2 bedrooms, 1 bathrooms and 1,074 square feet of living space.

When was 521 Ridge Ave Sw, Mableton, GA built?

521 Ridge Ave Sw, Mableton, GA was built in 1952, making it 74 years old. It is a ranch home. The building has 1 story.

What schools serve 521 Ridge Ave Sw, Mableton, GA?

521 Ridge Ave Sw, Mableton, GA is assigned to Lindley Middle School (middle), rated B-; Pebblebrook High School (high), rated C-; Clay-Harmony Leland Elementary School (elementary), rated B+. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Ridge Ave Sw, Mableton, GA compare to other homes in Mableton 30126?

Among the 15,626 homes in Mableton 30126, it is worth more than 13% of them ($221,957 against a typical $359,467), its price per square foot is higher than 74% of them ($207 against a typical $184), it is bigger than 5% of them (1,074 ft² against a typical 1,912 ft²), its lot is bigger than 89% of them (0.58 ac against a typical 0.25 ac) and it is newer than 3% of them (1952 against a typical 1999). Measured against all of Cobb County, it is worth more than 4% 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 521 Ridge Ave Sw, Mableton, GA?

The 2025 property tax bill for 521 Ridge Ave Sw, Mableton, GA was $2,811. The county assessed it at $93,292.

Closest homes

More homes in Mableton 30126

Assigned schools

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