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Single Family ResidenceResidential
$441,975$253 / 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 95How 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

3112 HOLLY MILL RUN

MARIETTA, GA 30062
3
Beds
2
Baths
1,747 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
1
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

$442K
$420K low$464K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$934 (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.$179,228 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$135,228
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$294,050
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$448,070

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.60
60
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
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.
94
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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 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.Ranch
CountyCobb
ConstructionThe main material the home's frame and walls are built from.Frame (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
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 · 300 ft²Patio · 100 ft²Porch · 126 ft²

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

E
Murdock Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
M
Dodgen Middle SchoolA
Middle · Grades 6–8 · 0.9 mi
H
Pope High SchoolA+
High · Grades 9–12 · 1.7 mi

District: Cobb County School District

Neighborhood · ZIP 30062These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.61

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.40%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.68,777
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,665 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,424
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,546
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

3112 Holly Mill Run 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 73% of homes in Marietta 30062
  • Costs more per square foot than 79% of homes in Cobb County
  • Smaller than 76% of homes in Marietta 30062
  • Has a smaller lot than 74% of homes in Marietta 30062
  • Older than 73% of homes in Cobb County

What homes are worth in Marietta 30062

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

This home
$256K$1.4M

This home is worth more than 27% of homes in Marietta 30062.

How it measures up in Marietta 30062

The dot is this home. The mark in the middle is the typical home in Marietta 30062.

Estimated value$441,975
CheaperTypical $552,040Pricier

Pricier than 27% of homes nearby

Price per ft²$253
CheaperTypical $241Pricier

Pricier than 60% of homes nearby

Living area1,747 ft²
SmallerTypical 2,317 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.23 ac
SmallerTypical 0.29 acBigger

Bigger than 26% of homes nearby

Year built1979
OlderTypical 1984Newer

Newer than 35% of homes nearby

How 3112 Holly Mill Run ranks against every home in each area.
MeasureThis homeMarietta 30062Cobb County
Estimated valuepricier than$441,97527% of homes55% of homes
Price per ft²pricier than$25360% of homes79% of homes
Living areabigger than1,747 ft²24% of homes38% of homes
Lot sizebigger than0.23 ac26% of homes39% of homes
Year builtnewer than197935% of homes27% of homes

About 3112 Holly Mill Run

How much is 3112 Holly Mill Run, Marietta, GA worth?

The TopHap Estimate for 3112 Holly Mill Run, Marietta, GA is $441,975 as of Aug 30, 2026. The likely range is $419,747 to $464,203. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3112 Holly Mill Run, Marietta, GA?

3112 Holly Mill Run, Marietta, GA has 3 bedrooms, 2 bathrooms and 1,747 square feet of living space.

When was 3112 Holly Mill Run, Marietta, GA built?

3112 Holly Mill Run, Marietta, GA was built in 1979, making it 47 years old. It is a ranch home. The building has 1 story.

What schools serve 3112 Holly Mill Run, Marietta, GA?

3112 Holly Mill Run, Marietta, GA is assigned to Murdock Elementary School (elementary), rated A-; Dodgen Middle School (middle), rated A; Pope High School (high), rated A+. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3112 Holly Mill Run, Marietta, GA compare to other homes in Marietta 30062?

Among the 22,154 homes in Marietta 30062, it is worth more than 27% of them ($441,975 against a typical $552,040), its price per square foot is higher than 60% of them ($253 against a typical $241), it is bigger than 24% of them (1,747 ft² against a typical 2,317 ft²), its lot is bigger than 26% of them (0.23 ac against a typical 0.29 ac) and it is newer than 35% of them (1979 against a typical 1984). Measured against all of Cobb County, it is worth more than 55% 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 3112 Holly Mill Run, Marietta, GA?

The 2025 property tax bill for 3112 Holly Mill Run, Marietta, GA was $934. The county assessed it at $179,228.

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