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TownhouseResidential
$3,564,487$276 / 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 69How 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

23 S MAIN ST

ALPHARETTA, GA 30009
0
Baths
12,908 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1848
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$3.6M
$2.5M low$4.7M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$39,214 (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.$1,501,360 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$258,160
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,243,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$564,520
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,753,400

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
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.
92
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyFULTON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1960
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Highway

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

E
Alpharetta Elementary SchoolA+
Elementary · Grades PK–5 · 0.6 mi
M
Hopewell Middle SchoolA+
Middle · Grades 6–8 · 1.9 mi
H
Cambridge High SchoolA
High · Grades 9–12 · 3.2 mi

District: Fulton County School District

Neighborhood · ZIP 30009These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.20,357
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,326 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,916
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$157,800
Average tempThe average temperature here across a full year.59°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

23 S Main St 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 Alpharetta 30009
  • Costs less per square foot than 76% of homes in Alpharetta 30009
  • Among the largest homes in Alpharetta 30009
  • Has a bigger lot than 76% of homes in Alpharetta 30009
  • Among the oldest homes in Alpharetta 30009

What homes are worth in Alpharetta 30009

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

This home
$335K$2.3M

This home is worth more than almost all homes in Alpharetta 30009.

How it measures up in Alpharetta 30009

The dot is this home. The mark in the middle is the typical home in Alpharetta 30009.

Estimated value$3,564,487
CheaperTypical $763,389Pricier

Pricier than almost all homes nearby

Price per ft²$276
CheaperTypical $317Pricier

Pricier than 24% of homes nearby

Living area12,908 ft²
SmallerTypical 2,224 ft²Bigger

Bigger than almost all homes nearby

Lot size0.43 ac
SmallerTypical 0.14 acBigger

Bigger than 76% of homes nearby

Year built1848
OlderTypical 2001Newer

Older than almost all homes nearby

How 23 S Main St ranks against every home in each area.
MeasureThis homeAlpharetta 30009Fulton County
Estimated valuepricier than$3,564,487almost all homesalmost all homes
Price per ft²pricier than$27624% of homes63% of homes
Living areabigger than12,908 ft²almost all homesalmost all homes
Lot sizebigger than0.43 ac76% of homes76% of homes
Year builtnewer than1848almost no homesalmost no homes

About 23 S Main St

How much is 23 S Main St, Alpharetta, GA worth?

The TopHap Estimate for 23 S Main St, Alpharetta, GA is $3,564,487 as of Sep 24, 2026. The likely range is $2,469,914 to $4,659,060. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 S Main St, Alpharetta, GA last sell?

23 S Main St, Alpharetta, GA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 23 S Main St, Alpharetta, GA?

23 S Main St, Alpharetta, GA has 12,908 square feet of living space and a 0.43-acre lot.

When was 23 S Main St, Alpharetta, GA built?

23 S Main St, Alpharetta, GA was built in 1848, making it 178 years old. It is a townhouse home. The building has 1 story.

What schools serve 23 S Main St, Alpharetta, GA?

23 S Main St, Alpharetta, GA is assigned to Alpharetta Elementary School (elementary), rated A+; Hopewell Middle School (middle), rated A+; Cambridge High School (high), rated A. All sit in Fulton County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 S Main St, Alpharetta, GA compare to other homes in Alpharetta 30009?

Among the 7,024 homes in Alpharetta 30009, it is worth more than almost all of them ($3,564,487 against a typical $763,389), its price per square foot is higher than 24% of them ($276 against a typical $317), it is bigger than almost all of them (12,908 ft² against a typical 2,224 ft²), its lot is bigger than 76% of them (0.43 ac against a typical 0.14 ac) and it is newer than almost none of them (1848 against a typical 2001). Measured against all of Fulton 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 23 S Main St, Alpharetta, GA?

The 2025 property tax bill for 23 S Main St, Alpharetta, GA was $39,214. The county assessed it at $1,501,360.

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