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TownhouseResidential
$812,972$245 / 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 92How 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

121 CALDER DR

ALPHARETTA, GA 30009
3
Beds
3.5
Baths
3,323 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
2019
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$813K
$751K low$875K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,681 (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.$329,720 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$79,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$250,040
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$295,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$824,300

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.52
23
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.
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.3 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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyFULTON
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.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.Secondary Bus Strip

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

E
Hembree Springs Elementary SchoolA
Elementary · Grades PK–5 · 1.6 mi
M
Northwestern Middle SchoolA-
Middle · Grades 6–8 · 3.4 mi
H
Milton High SchoolA+
High · Grades 9–12 · 3.6 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

121 Calder 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.

  • Worth more than 78% of homes in Fulton County
  • Costs less per square foot than 91% of homes in Alpharetta 30009
  • Bigger than 86% of homes in Alpharetta 30009
  • Has a smaller lot than 69% of homes in Fulton County
  • Newer than 94% of homes in Fulton County

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
$337K$2.3M

This home is worth more than 57% of 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$812,972
CheaperTypical $766,125Pricier

Pricier than 57% of homes nearby

Price per ft²$245
CheaperTypical $317Pricier

Pricier than 9% of homes nearby

Living area3,323 ft²
SmallerTypical 2,214 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.13 ac
SmallerTypical 0.13 acBigger

Bigger than 49% of homes nearby

Year built2019
OlderTypical 2002Newer

Newer than 86% of homes nearby

How 121 Calder Dr ranks against every home in each area.
MeasureThis homeAlpharetta 30009Fulton County
Estimated valuepricier than$812,97257% of homes78% of homes
Price per ft²pricier than$2459% of homes52% of homes
Living areabigger than3,323 ft²86% of homes83% of homes
Lot sizebigger than0.13 ac49% of homes31% of homes
Year builtnewer than201986% of homes94% of homes

About 121 Calder Dr

How much is 121 Calder Dr, Alpharetta, GA worth?

The TopHap Estimate for 121 Calder Dr, Alpharetta, GA is $812,972 as of Sep 24, 2026. The likely range is $750,765 to $875,179. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Calder Dr, Alpharetta, GA last sell?

121 Calder Dr, Alpharetta, GA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Calder Dr, Alpharetta, GA?

121 Calder Dr, Alpharetta, GA has 3 bedrooms, 3.5 bathrooms, 3,323 square feet of living space and a 0.13-acre lot.

When was 121 Calder Dr, Alpharetta, GA built?

121 Calder Dr, Alpharetta, GA was built in 2019, making it 7 years old. It is a townhouse home. The building has 2 stories.

What schools serve 121 Calder Dr, Alpharetta, GA?

121 Calder Dr, Alpharetta, GA is assigned to Hembree Springs Elementary School (elementary), rated A; Northwestern Middle School (middle), rated A-; Milton 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 121 Calder Dr, Alpharetta, GA compare to other homes in Alpharetta 30009?

Among the 7,029 homes in Alpharetta 30009, it is worth more than 57% of them ($812,972 against a typical $766,125), its price per square foot is higher than 9% of them ($245 against a typical $317), it is bigger than 86% of them (3,323 ft² against a typical 2,214 ft²), its lot is bigger than 49% of them (0.13 ac against a typical 0.13 ac) and it is newer than 86% of them (2019 against a typical 2002). Measured against all of Fulton County, it is worth more than 78% 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 121 Calder Dr, Alpharetta, GA?

The 2025 property tax bill for 121 Calder Dr, Alpharetta, GA was $5,681. The county assessed it at $329,720.

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