Free sandbags in King County, WA
Where to get sandbags, how to get official alerts, and how to check your own address before the next storm.
Where to get free sandbags in King County, WA
Free sandbag materials for King County residents at county and city sites, mostly self-service with a 25-bag limit per vehicle and bring your own shovel: King County Roads facilities in Renton (3021 NE 4th St), Fall City (33719 SE 44th Pl) and Black Diamond, plus city sites in Carnation, North Bend, Snoqualmie, Pacific and Redmond. Seattle sites run Oct 15 to Mar 15. Hours vary by site.
- King County: sandbag distributionkingcounty.gov
Checked against official sources on October 24, 2026.
Free storm alerts for King County
When the National Weather Service issues a flood, fire, wind or hurricane warning for King County, we email you right away with what to do. We also give you a heads-up a day ahead when NOAA forecasts severe storms or flash-flooding rain.
Want alerts for your exact street instead? Check your address and sign up there.
Is your home in a flood or fire zone?
Type your address and see your flood, wildfire, earthquake and other hazard risks on one map, free. No sign-up needed.
Get official emergency alerts
King County's official alert system is ALERT King County. It's free and sends warnings to your phone when a storm, fire or evacuation affects your area.
Before the storm: a quick checklist
- Pick up sandbags early. Supplies run out once a storm is in the forecast.
- Fill bags about halfway and lay them flat, overlapping like bricks, at doorways and the garage door.
- Clear gutters, downspouts and the storm drain in front of your house.
- Move valuables, papers and electronics off the floor.
- Take photos or a video of your rooms and belongings for insurance.
- Never walk or drive through floodwater. Turn around, don't drown.
Questions people ask
Where can I get free sandbags in King County, WA?
Free sandbag materials for King County residents at county and city sites, mostly self-service with a 25-bag limit per vehicle and bring your own shovel: King County Roads facilities in Renton (3021 NE 4th St), Fall City (33719 SE 44th Pl) and Black Diamond, plus city sites in Carnation, North Bend, Snoqualmie, Pacific and Redmond. Seattle sites run Oct 15 to Mar 15. Hours vary by site.
How do I get emergency alerts in King County, WA?
Sign up for ALERT King County, which is free, and turn on Wireless Emergency Alerts on your phone.
How do I know if my home is in a flood zone in King County, WA?
Enter your address at mystormplan.com/check to see your FEMA flood zone and other hazards for your exact property, free.
How many sandbags do I need?
A common rule of thumb is about 100 bags to build a wall 1 foot high and 20 feet long. Most homes use sandbags to steer water away from doorways and garage doors. Fill bags only about halfway so they lie flat and tight.
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