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Single Family ResidenceResidential
$629,349$209 / 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 94How 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 $396,000 on Mar 16, 2020

309 ROCKMANN LN SW

MARIETTA, GA 30064
4
Beds
3.5
Baths
3,013 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.
2012
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$629K
$594K low$665K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$396,000 · Mar 16, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,158 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$255,064 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$80,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$175,064
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$255,064
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$637,660

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.47
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
13
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.Bi-Level
CountyCOBB
Lot (acres)The size of the land the home sits on, from county records.0.28
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 · 16 ft²Porch · 72 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
A. L. Burruss Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
H
Marietta High SchoolB-
High · Grades 9–12 · 0.3 mi
M
Marietta Middle SchoolB
Middle · Grades 7–8 · 1.6 mi

District: Marietta City School District

Neighborhood · ZIP 30064These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
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.51,659
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,681 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$118,878
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$144,276
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%

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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

309 Rockmann Ln 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 78% of homes in Cobb County
  • Bigger than 74% of homes in Cobb County
  • Newer than 90% of homes in Cobb County

What homes are worth in Marietta 30064

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

This home
$229K$1.2M

This home is worth more than 71% of homes in Marietta 30064.

How it measures up in Marietta 30064

The dot is this home. The mark in the middle is the typical home in Marietta 30064.

Estimated value$629,349
CheaperTypical $496,891Pricier

Pricier than 71% of homes nearby

Price per ft²$209
CheaperTypical $195Pricier

Pricier than 64% of homes nearby

Living area3,013 ft²
SmallerTypical 2,556 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.28 ac
SmallerTypical 0.32 acBigger

Bigger than 41% of homes nearby

Year built2012
OlderTypical 1989Newer

Newer than 88% of homes nearby

How 309 Rockmann Ln Sw ranks against every home in each area.
MeasureThis homeMarietta 30064Cobb County
Estimated valuepricier than$629,34971% of homes78% of homes
Price per ft²pricier than$20964% of homes61% of homes
Living areabigger than3,013 ft²64% of homes74% of homes
Lot sizebigger than0.28 ac41% of homes62% of homes
Year builtnewer than201288% of homes90% of homes

About 309 Rockmann Ln Sw

How much is 309 Rockmann Ln Sw, Marietta, GA worth?

The TopHap Estimate for 309 Rockmann Ln Sw, Marietta, GA is $629,349 as of Sep 24, 2026. The likely range is $594,048 to $664,650. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Rockmann Ln Sw, Marietta, GA last sell?

309 Rockmann Ln Sw, Marietta, GA last sold on Mar 16, 2020 for $396,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 309 Rockmann Ln Sw, Marietta, GA?

309 Rockmann Ln Sw, Marietta, GA has 4 bedrooms, 3.5 bathrooms, 3,013 square feet of living space and a 0.28-acre lot.

When was 309 Rockmann Ln Sw, Marietta, GA built?

309 Rockmann Ln Sw, Marietta, GA was built in 2012, making it 14 years old. It is a bi-level home. The building has 2 stories.

What schools serve 309 Rockmann Ln Sw, Marietta, GA?

309 Rockmann Ln Sw, Marietta, GA is assigned to A. L. Burruss 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 309 Rockmann Ln Sw, Marietta, GA compare to other homes in Marietta 30064?

Among the 18,402 homes in Marietta 30064, it is worth more than 71% of them ($629,349 against a typical $496,891), its price per square foot is higher than 64% of them ($209 against a typical $195), it is bigger than 64% of them (3,013 ft² against a typical 2,556 ft²), its lot is bigger than 41% of them (0.28 ac against a typical 0.32 ac) and it is newer than 88% of them (2012 against a typical 1989). Measured against all of Cobb County, it is worth more than 78% 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 309 Rockmann Ln Sw, Marietta, GA?

The 2026 property tax bill for 309 Rockmann Ln Sw, Marietta, GA was $2,158. The county assessed it at $255,064.

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