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Single Family ResidenceResidential
$1,423,986$303 / 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 Jul 14, 2026
Last sold for $880,000 on Jun 16, 2015

4578 BASTION DR

ROSWELL, GA 30075
7
Beds
7 / 1
Baths
4,693 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.
2.65 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.3M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$880,000 · Jun 16, 2015
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.$1,003,986
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$803,189
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.29%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$420,000
FIDELITY BK MTG · recorded Jun 18, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,076 (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.$526,620 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$386,620
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,012,980
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,316,550

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.67
98
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.
96
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.140 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.Split Level
CountyCobb
Lot (acres)The size of the land the home sits on, from county records.2.65
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.Mixed
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 602 ft²Patio · 120 ft²Porch · 656 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.

E
Garrison Mill Elementary SchoolA-
Elementary · Grades KG–5 · 1.3 mi
H
Lassiter High SchoolA+
High · Grades 9–12 · 3.3 mi
M
Mabry Middle SchoolA-
Middle · Grades 6–8 · 3.4 mi

District: Cobb County School District

Neighborhood · ZIP 30075These 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.28
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.58,252
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,908 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,563
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,915
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%

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.No

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

4578 Bastion Dr 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.

  • Among the most valuable homes in Cobb County
  • Costs more per square foot than 92% of homes in Cobb County
  • Bigger than 97% of homes in Cobb County
  • Among the largest lots in Cobb County
  • Newer than 83% of homes in Roswell 30075

What homes are worth in Roswell 30075

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

This home
$313K$1.9M

This home is worth more than 95% of homes in Roswell 30075.

How it measures up in Roswell 30075

The dot is this home. The mark in the middle is the typical home in Roswell 30075.

Estimated value$1,423,986
CheaperTypical $711,792Pricier

Pricier than 95% of homes nearby

Price per ft²$303
CheaperTypical $272Pricier

Pricier than 69% of homes nearby

Living area4,693 ft²
SmallerTypical 2,649 ft²Bigger

Bigger than 95% of homes nearby

Lot size2.65 ac
SmallerTypical 0.44 acBigger

Bigger than 98% of homes nearby

Year built2002
OlderTypical 1988Newer

Newer than 83% of homes nearby

How 4578 Bastion Dr ranks against every home in each area.
MeasureThis homeRoswell 30075Cobb County
Estimated valuepricier than$1,423,98695% of homesalmost all homes
Price per ft²pricier than$30369% of homes92% of homes
Living areabigger than4,693 ft²95% of homes97% of homes
Lot sizebigger than2.65 ac98% of homesalmost all homes
Year builtnewer than200283% of homes77% of homes

About 4578 Bastion Dr

How much is 4578 Bastion Dr, Roswell, GA worth?

The TopHap Estimate for 4578 Bastion Dr, Roswell, GA is $1,423,986 as of Jul 14, 2026. The likely range is $1,335,015 to $1,512,957. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4578 Bastion Dr, Roswell, GA last sell?

4578 Bastion Dr, Roswell, GA last sold on Jun 16, 2015 for $880,000, according to the county's recorded deed.

How big is 4578 Bastion Dr, Roswell, GA?

4578 Bastion Dr, Roswell, GA has 7 bedrooms, 7 bathrooms, 4,693 square feet of living space and a 2.65-acre lot.

When was 4578 Bastion Dr, Roswell, GA built?

4578 Bastion Dr, Roswell, GA was built in 2002, making it 24 years old. It is a split level home. The building has 2 stories.

What schools serve 4578 Bastion Dr, Roswell, GA?

4578 Bastion Dr, Roswell, GA is assigned to Garrison Mill Elementary School (elementary), rated A-; Lassiter High School (high), rated A+; Mabry Middle School (middle), rated A-. All sit in Cobb County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4578 Bastion Dr, Roswell, GA compare to other homes in Roswell 30075?

Among the 19,348 homes in Roswell 30075, it is worth more than 95% of them ($1,423,986 against a typical $711,792), its price per square foot is higher than 69% of them ($303 against a typical $272), it is bigger than 95% of them (4,693 ft² against a typical 2,649 ft²), its lot is bigger than 98% of them (2.65 ac against a typical 0.44 ac) and it is newer than 83% of them (2002 against a typical 1988). Measured against all of Cobb County, it is worth more than almost all 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 4578 Bastion Dr, Roswell, GA?

The 2025 property tax bill for 4578 Bastion Dr, Roswell, GA was $15,076. The county assessed it at $526,620.

More homes on Bastion Dr

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Assigned schools

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