How often floodwater reaches Alpharetta homes
What Alpharetta homeowners and renters should check first, with a source for every figure.
8% of homes in Alpharetta went up before 1980. In an older house, ask the crew to check the pipes and subfloor around the leak, not only the wet room.
- Calls answered 24/7
- Written estimate before work starts
- Water removal, drying and repair
From your call to a written estimate
Call (833) 728-2327
Say what is wet, where the water came from and whether it is still running. The call is answered any hour.
Stop the source
If water is still coming in, you are walked through the shutoff valve or the breaker first.
Inspection and written estimate
The crew checks the water category, measures moisture in walls and floors, photographs the damage and writes the estimate before work starts.
Written for homeowners in the Alpharetta area.
In Alpharetta's ZIP codes, the average building payment on a flood claim was $8,941 over 2016 to 2025, compared with $32,660 across Georgia.
Alpharetta and water from outside
Floodwater reaches Alpharetta homes about as often as it reaches homes elsewhere in Fulton County, but the claims are much smaller. FEMA flood insurance records show 1.2 claims per 1,000 homes from 2016 to 2025, against 1.3 for the county and 1.6 for Georgia, and the average building payment in the city was $8,941, against $48,970 countywide. Small payments point to shallow water in basements, garages and crawl spaces rather than flooded living floors. FEMA's National Risk Index still puts the city's yearly inland flood loss at 73 per $100,000 of building value, above the county's 63.
Rain is the source. NOAA climate normals show about 18 days a year with an inch of rain or more, above the county's 16, and Fulton County logged 19 days with flash flood or flood reports from 2016 to 2025, with 7 major disaster declarations for floods and storms since 2000. Creeks and retention ponds can overflow in a hard storm, and basements on sloped lots take water through window wells and doors.
Floodwater is Category 3, even when it is only a few inches deep, so the restoration crew removes soaked carpet, pad and lower drywall and disinfects before drying. Homeowners policies exclude it. Only flood insurance covers it, and 0.8% of Fulton homes carry that cover. If a storm puts water in a basement in the Alpharetta area, ask for water removal and photograph the water line before anything is moved.
Alpharetta flood figures
About 66,355 people live in Alpharetta; calls for its area come from 69 ZIP codes.
32% of homes in Alpharetta are rented, against 46% across Fulton County. If you rent, tell your landlord or property manager about the leak right away.
28% of homes in Alpharetta are in buildings with five or more units.
The weather station nearest Alpharetta's ZIP codes records about 59 nights a year at 32 degrees or colder, against 48 across Fulton County.
- 8% Homes built before 1980Fulton County: 33%
- 25,994 Housing units
- 66,355 Residents
- 32% Homes that are rentedFulton County: 46%
- 28% Homes in buildings with 5 or more unitsFulton County: 41%
- 59 Nights a year at or below 32 degreesFulton County: 48
- 73 Yearly inland flood loss per $100,000 of building valueFulton County: 63
- 1% Homes built before 1950Fulton County: 9%
- 7 Nights a year at or below 20 degreesFulton County: 5
Sources: U.S. Census Bureau, American Community Survey 2019-2023 5-year estimates; FEMA OpenFEMA, FIMA NFIP Redacted Claims v3, claims from 2016 to 2025 (not endorsed by FEMA); FEMA OpenFEMA, NFIP Residential Penetration Rates v1 (not endorsed by FEMA); FEMA National Risk Index v1.20, December 2025 (not endorsed by FEMA); NOAA NCEI, U.S. Climate Normals 1991-2020, nearest weather station; FEMA OpenFEMA, Disaster Declarations Summaries v2 (not endorsed by FEMA); NOAA NCEI Storm Events Database, 2016 to 2025.
Before the next storm in Alpharetta
Heavy rain is routine in Alpharetta, with about 18 days a year of an inch or more by NOAA climate normals, so drainage gets tested often. Only 8% of homes were built before 1980, but newer yards still settle and mulch beds build up against siding. Before the next storm, clear out each downspout and extend it away from the foundation and regrade any spot where water pools by the walls.
If your home has a basement, test the sump pump by pouring water into the pit, and add a battery backup for storms that knock out power. Clear leaves out of basement window wells and fit covers. Move boxes, electronics and papers off basement floors onto shelves.
Look up your address on FEMA's flood map, even if your lender never required flood coverage. FEMA notes a 30-day waiting period before a new flood policy takes effect, so buy it before the forecast turns. Census figures show 28% of homes are in buildings with 5 or more units, and those residents should report clogged drains or pooling near the building to the manager.
When water gets in, shut off the source if it is plumbing, cut power to wet rooms and photograph the damage. With 59 nights a year at or below 32 degrees, a wet basement in winter needs drying before cold sets in, and floor repair after water damage waits until readings show the subfloor is dry. The same steps, and the same phone line, apply to water removal in Roswell. Start water mitigation within 24 to 48 hours.
Getting your paperwork ready in Alpharetta
Get ready in Alpharetta before the water does. Check your address on FEMA's flood maps, record a short video of every room, and keep policy numbers and the location of the main shutoff and breaker panel on paper. Store important papers above the basement floor. When water comes in, take photos of the water line before anything is moved; those pictures matter for the cleanup plan and for any claim. Laminate and hardwood under floodwater often need subfloor water damage repair once drying ends.
Flood questions in Alpharetta
What does a FEMA flood risk rating mean for my Alpharetta home?
How do I keep storm water out of a Alpharetta basement?
Is flood cleanup different from other water damage?
What should I do after floodwater gets into my Alpharetta home?
Where can I check the flood zone for a Alpharetta address?
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One call for water damage in Alpharetta
Answered 24/7, with a written estimate before any work starts.