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San Diego storm and flood planning resources

Find official resources and prepare a property-specific plan before stormwater enters.

By San Diego Water Restoration editorial team · Updated September 26, 2026
THE PRACTICAL ANSWER

Use official City or County resources for the exact address. A San Diego mailing address or neighborhood label does not establish flood exposure, jurisdiction, or a cleanup plan.

Start with your address

The City of San Diego maintains storm-preparedness and floodplain resources. Check whether your property falls within the City or another jurisdiction. Use the relevant official maps and guidance rather than assuming every property in a neighborhood has the same exposure.

Plan access and communication

Property owners and managers can keep emergency contacts, shutoff information supplied by the appropriate professional, building access instructions, and notification responsibilities together. Agree on who can authorize an assessment and how occupants will receive updates.

Keep safe records

Maintain an inventory and photographs before an incident, when doing so is safe. Keep important documents available away from areas that may become inaccessible. After an incident, describe what changed without entering a damaged area to inspect it.

Use current public instructions

Check official alerts and follow directions from public safety personnel. Do not drive or walk into floodwater. This website is a planning resource and inquiry service; it does not provide live evacuation, road, or weather information.

Separate immediate cleanup from prevention work

After safety and cleanup needs are assessed, discuss drainage, entry points, grading, roofing, or building-envelope concerns with the appropriate professional. A restoration visit does not automatically include improvements to prevent a future incident.

Sources & further reading

City of San Diego: storm preparedness City of San Diego: floodplain management CDC: floods and your safety

General property-planning information. On-site conditions, safety, work scope, and any insurance or legal questions require the appropriate professional. This website does not certify a property as safe.

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