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Single Family ResidenceResidential
$395,190$129 / 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 96How 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

1230 WILLIAM ROBERT DR SW

MARIETTA, GA 30008
3
Beds
2.5
Baths
3,075 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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

$395K
$379K low$412K 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.$395,190
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$316,152

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$411 (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.$157,924 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,924
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$394,810

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.
15
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.
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
Lot (acres)The size of the land the home sits on, from county records.0.28
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Deck

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.

E
Dunleith Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
H
Marietta High SchoolB+
High · Grades 9–12 · 2.0 mi
M
Marietta Middle SchoolB
Middle · Grades 7–8 · 2.2 mi

District: Marietta City School District

Neighborhood · ZIP 30008These 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.104
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 100.60

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.33,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,603 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,294
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,427
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.55 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

1230 William Robert Dr 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 more than 85% of homes in Marietta 30008
  • Among the lowest price per square foot in Cobb County
  • Bigger than 97% of homes in Marietta 30008
  • Has a bigger lot than 68% of homes in Marietta 30008
  • Older than 78% of homes in Cobb County

What homes are worth in Marietta 30008

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

This home
$154K$504K

This home is worth more than 85% of homes in Marietta 30008.

How it measures up in Marietta 30008

The dot is this home. The mark in the middle is the typical home in Marietta 30008.

Estimated value$395,190
CheaperTypical $319,859Pricier

Pricier than 85% of homes nearby

Price per ft²$129
CheaperTypical $190Pricier

Pricier than 2% of homes nearby

Living area3,075 ft²
SmallerTypical 1,604 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.28 ac
SmallerTypical 0.22 acBigger

Bigger than 68% of homes nearby

Year built1975
OlderTypical 1987Newer

Newer than 29% of homes nearby

How 1230 William Robert Dr Sw ranks against every home in each area.
MeasureThis homeMarietta 30008Cobb County
Estimated valuepricier than$395,19085% of homes44% of homes
Price per ft²pricier than$1292% of homesalmost no homes
Living areabigger than3,075 ft²97% of homes81% of homes
Lot sizebigger than0.28 ac68% of homes52% of homes
Year builtnewer than197529% of homes22% of homes

About 1230 William Robert Dr Sw

How much is 1230 William Robert Dr Sw, Marietta, GA worth?

The TopHap Estimate for 1230 William Robert Dr Sw, Marietta, GA is $395,190 as of Jul 14, 2026. The likely range is $378,822 to $411,558. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1230 William Robert Dr Sw, Marietta, GA last sell?

1230 William Robert Dr Sw, Marietta, GA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1230 William Robert Dr Sw, Marietta, GA?

1230 William Robert Dr Sw, Marietta, GA has 3 bedrooms, 2.5 bathrooms, 3,075 square feet of living space and a 0.28-acre lot.

When was 1230 William Robert Dr Sw, Marietta, GA built?

1230 William Robert Dr Sw, Marietta, GA was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 1230 William Robert Dr Sw, Marietta, GA?

1230 William Robert Dr Sw, Marietta, GA is assigned to Dunleith Elementary School (elementary), rated A-; Marietta High School (high), rated B+; Marietta Middle School (middle), rated B. All sit in Marietta City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1230 William Robert Dr Sw, Marietta, GA compare to other homes in Marietta 30008?

Among the 9,640 homes in Marietta 30008, it is worth more than 85% of them ($395,190 against a typical $319,859), its price per square foot is higher than 2% of them ($129 against a typical $190), it is bigger than 97% of them (3,075 ft² against a typical 1,604 ft²), its lot is bigger than 68% of them (0.28 ac against a typical 0.22 ac) and it is newer than 29% of them (1975 against a typical 1987). Measured against all of Cobb County, it is worth more than 44% 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 1230 William Robert Dr Sw, Marietta, GA?

The 2025 property tax bill for 1230 William Robert Dr Sw, Marietta, GA was $411. The county assessed it at $157,924.

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Assigned schools

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