Total monthly cost of ownership
Cost to Own a Home in Alpharetta, Georgia
A $606,000 home here costs
$4,532per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $3,115. The real number is $1,416 higher every month — 45% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Alpharetta against Fulton County and Georgia
| Measure | Alpharetta | Fulton County |
|---|---|---|
| Median home value | $605,700 | $431,200 |
| Median property tax | $5,254 | $3,847 |
| Effective tax rate | 0.867% | 0.892% |
| Median gross rent | $1,874 | $1,635 |
| Population | 66,355 | 1,068,507 |
The weather behind that power bill
Alpharetta sits in Fulton County, which averages a high of 90.0°F in its hottest month and a low of 33.5°F in its coldest, with 48.13" of precipitation a year and 27% of it in a single three-month stretch. That climate drives 1,826 cooling and 2,775 heating degree days, which is what sets the $142 electricity line above.
See the full climate breakdown for Fulton County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Fulton County
Common questions
How much does it cost to own a home in Alpharetta?
A $606,000 home in Alpharetta, Georgia costs approximately $4,532 per month with 20% down at 6.66%. That is $3,115 principal and interest, $438 property tax, $263 homeowners insurance, $210 utilities and $505 set aside for maintenance.
What is the property tax rate in Alpharetta?
Alpharetta has an effective property tax rate of 0.867%, based on a median home value of $605,700 and median real estate taxes of $5,254. That is lower than the Fulton County average of 0.892%.
What is the average home price in Alpharetta?
The median owner-occupied home value in Alpharetta, Georgia is $605,700, against $431,200 across Fulton County.
Is it cheaper to rent or buy in Alpharetta?
Median gross rent in Alpharetta is $1,874 a month, against $4,532 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Alpharetta — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Georgia.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.