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Single Family ResidenceResidential
$630,084$233 / 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 Sep 24, 2026

1857 BLACKTHORN WAY NE

ROSWELL, GA 30075
4
Beds
2.5
Baths
2,707 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.
1985
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$630K
$601K low$659K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,133 (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.$253,940 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$68,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$185,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$236,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$634,850

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.
14
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.25 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.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
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.DeckPatio · 344 ft²Porch · 32 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 · 1.1 mi
M
Mabry Middle SchoolA-
Middle · Grades 6–8 · 3.3 mi
H
Lassiter High SchoolA+
High · Grades 9–12 · 3.3 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%

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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

1857 Blackthorn Way Ne 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 79% of homes in Cobb County
  • Costs more per square foot than 77% of homes in Cobb County
  • Bigger than 66% of homes in Cobb County

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
$306K$1.9M

This home is worth more than 39% 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$630,084
CheaperTypical $693,181Pricier

Pricier than 39% of homes nearby

Price per ft²$233
CheaperTypical $261Pricier

Pricier than 29% of homes nearby

Living area2,707 ft²
SmallerTypical 2,729 ft²Bigger

Bigger than 49% of homes nearby

Year built1985
OlderTypical 1988Newer

Newer than 43% of homes nearby

How 1857 Blackthorn Way Ne ranks against every home in each area.
MeasureThis homeRoswell 30075Cobb County
Estimated valuepricier than$630,08439% of homes79% of homes
Price per ft²pricier than$23329% of homes77% of homes
Living areabigger than2,707 ft²49% of homes66% of homes
Year builtnewer than198543% of homes40% of homes

About 1857 Blackthorn Way Ne

How much is 1857 Blackthorn Way Ne, Roswell, GA worth?

The TopHap Estimate for 1857 Blackthorn Way Ne, Roswell, GA is $630,084 as of Sep 24, 2026. The likely range is $601,398 to $658,770. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1857 Blackthorn Way Ne, Roswell, GA last sell?

1857 Blackthorn Way Ne, Roswell, GA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 1857 Blackthorn Way Ne, Roswell, GA?

1857 Blackthorn Way Ne, Roswell, GA has 4 bedrooms, 2.5 bathrooms and 2,707 square feet of living space.

When was 1857 Blackthorn Way Ne, Roswell, GA built?

1857 Blackthorn Way Ne, Roswell, GA was built in 1985, making it 41 years old. It is a bi-level home. The building has 2 stories.

What schools serve 1857 Blackthorn Way Ne, Roswell, GA?

1857 Blackthorn Way Ne, Roswell, GA is assigned to Garrison Mill Elementary School (elementary), rated A-; Mabry Middle School (middle), rated A-; Lassiter 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 1857 Blackthorn Way Ne, Roswell, GA compare to other homes in Roswell 30075?

Among the 19,350 homes in Roswell 30075, it is worth more than 39% of them ($630,084 against a typical $693,181), its price per square foot is higher than 29% of them ($233 against a typical $261), it is bigger than 49% of them (2,707 ft² against a typical 2,729 ft²) and it is newer than 43% of them (1985 against a typical 1988). Measured against all of Cobb County, it is worth more than 79% 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 1857 Blackthorn Way Ne, Roswell, GA?

The 2026 property tax bill for 1857 Blackthorn Way Ne, Roswell, GA was $1,133. The county assessed it at $253,940.

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