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Single Family ResidenceResidential
$467,057$270 / 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 93How 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
Last sold for $287,000 on Jan 13, 2020

3140 ROCKMONT LN

MARIETTA, GA 30066
3
Beds
3
Baths
1,728 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$467K
$436K low$498K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$287,000 · Jan 13, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,575 (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.$180,192 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$146,192
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$374,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$450,480

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.55
38
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Split Level
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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 · 24 ft²Patio · 408 ft²

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.

M
Daniell Middle SchoolB+
Middle · Grades 6–8 · 0.6 mi
E
Bells Ferry Elementary SchoolD
Elementary · Grades KG–5 · 0.9 mi
H
Sprayberry High SchoolB-
High · Grades 9–12 · 2.6 mi

District: Cobb County School District

Neighborhood · ZIP 30066These 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.62
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 100.59

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.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
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.61,880
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,228 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,880
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,507
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

3140 Rockmont Ln 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.

  • Costs more per square foot than 87% of homes in Marietta 30066
  • Smaller than 65% of homes in Marietta 30066

What homes are worth in Marietta 30066

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

This home
$258K$1.1M

This home is worth more than 58% of homes in Marietta 30066.

How it measures up in Marietta 30066

The dot is this home. The mark in the middle is the typical home in Marietta 30066.

Estimated value$467,057
CheaperTypical $439,705Pricier

Pricier than 58% of homes nearby

Price per ft²$270
CheaperTypical $220Pricier

Pricier than 87% of homes nearby

Living area1,728 ft²
SmallerTypical 2,024 ft²Bigger

Bigger than 35% of homes nearby

Lot size0.35 ac
SmallerTypical 0.34 acBigger

Bigger than 54% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 52% of homes nearby

How 3140 Rockmont Ln ranks against every home in each area.
MeasureThis homeMarietta 30066Cobb County
Estimated valuepricier than$467,05758% of homes60% of homes
Price per ft²pricier than$27087% of homes86% of homes
Living areabigger than1,728 ft²35% of homes38% of homes
Lot sizebigger than0.35 ac54% of homes63% of homes
Year builtnewer than198652% of homes43% of homes

About 3140 Rockmont Ln

How much is 3140 Rockmont Ln, Marietta, GA worth?

The TopHap Estimate for 3140 Rockmont Ln, Marietta, GA is $467,057 as of Aug 30, 2026. The likely range is $436,010 to $498,104. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3140 Rockmont Ln, Marietta, GA last sell?

3140 Rockmont Ln, Marietta, GA last sold on Jan 13, 2020 for $287,000, according to the county's recorded deed.

How big is 3140 Rockmont Ln, Marietta, GA?

3140 Rockmont Ln, Marietta, GA has 3 bedrooms, 3 bathrooms and 1,728 square feet of living space.

When was 3140 Rockmont Ln, Marietta, GA built?

3140 Rockmont Ln, Marietta, GA was built in 1986, making it 40 years old. It is a split level home. The building has 2 stories.

What schools serve 3140 Rockmont Ln, Marietta, GA?

3140 Rockmont Ln, Marietta, GA is assigned to Daniell Middle School (middle), rated B+; Bells Ferry Elementary School (elementary), rated D; Sprayberry High School (high), rated B-. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3140 Rockmont Ln, Marietta, GA compare to other homes in Marietta 30066?

Among the 20,258 homes in Marietta 30066, it is worth more than 58% of them ($467,057 against a typical $439,705), its price per square foot is higher than 87% of them ($270 against a typical $220), it is bigger than 35% of them (1,728 ft² against a typical 2,024 ft²), its lot is bigger than 54% of them (0.35 ac against a typical 0.34 ac) and it is newer than 52% of them (1986 against a typical 1986). Measured against all of Cobb County, it is worth more than 60% 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 3140 Rockmont Ln, Marietta, GA?

The 2025 property tax bill for 3140 Rockmont Ln, Marietta, GA was $4,575. The county assessed it at $180,192.

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