Storm guide · Deerfield Beach and north Broward County, Florida

Flooding in Deerfield Beach and north Broward: what to check now

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By the Honest Mold Test Editorial Team · Researched from authoritative sources (incl. EPA and NWS guidance) · Published October 2026

Heavy rain stalled over north Broward County on Saturday, October 17. The National Weather Service in Miami issued a Flash Flood Warning that afternoon for northern Coral Springs, Parkland and western Boca Raton, and a volunteer rain observer in Deerfield Beach recorded 8.17 inches in 24 hours. In Deerfield Beach, the observer reported roads, yards and many homes flooded in the Estates neighborhood, and residents on Southeast Sixth, Seventh and Eighth avenues reported water inside their homes. One homeowner on Southeast Eighth Avenue told WSVN he had three to four inches of water throughout the house and six to seven inches in the rooms nearest the street; a neighbor reported five inches inside. Several families there say it is the third time in six years.

Streets flooded across the area too: about a foot of water at Southeast 10th Street and South Dixie Highway in Deerfield Beach, the Rivertowne Square plaza at Federal Highway and Southeast 10th Street, Parkside Drive in Parkland, and Northeast 4th Street at 8th Avenue in Hallandale Beach. If water got into your home, garage or ground floor, this page is for you. You may not need to spend anything on mold. Here is how to tell.

Residents brought the damage to the Deerfield Beach City Commission on Tuesday, October 20. City leaders pointed to rising sea levels and older homes along the Eighth Avenue corridor that sit below the crown of the road. The mayor asked for the purchase of two mobile pumps to go on the next meeting's agenda, and the vice mayor asked the city attorney to raise the city's flood rebate and mitigation program from $5,000 to $10,000 (WSVN, October 20). Neither had been voted on as of that report.

A week or more later: what matters now

EPA guidance is that wet building materials dried within 24 to 48 hours usually do not grow mold. That window has passed for the October 17 flooding, so the question now is whether everything actually dried. South Florida humidity makes that slower than it looks: carpet can feel dry on top while the pad underneath is still wet.

1. Check what was soaked and left in place. Carpet and pad, the bottom of drywall, and baseboards that took water and were not removed are the first places to look. Drywall that is still soft, stained or swollen usually comes out a foot or so above the water line.
2. Check behind baseboards and under cabinets. Water a few inches deep gets behind baseboards and under kitchen and bathroom cabinets, where it can sit unseen.
3. Use your nose. A musty smell a week or more after the water came in usually means something is still damp.
4. Keep the air conditioning and a dehumidifier running. In Florida's humid air, opening windows can add moisture rather than remove it.
5. Keep your photos. Water lines on walls, damaged items, and the street outside. Insurers and any later claims rely on them.
6. Check what sits low. Water heaters, air handlers, washer and dryer, and outlets near the floor. If water reached them, have them checked before you rely on them.

Do you need a mold test?

Often, no. If you can see mold, EPA says sampling is usually unnecessary: the job is to remove the wet material and fix the moisture. A test earns its cost when you smell mustiness but cannot find the source, when you are buying or selling, or when a landlord or insurer disputes what happened. Our cost guide lays out honest price ranges.

For a small area (EPA uses roughly 10 square feet as the line), most homeowners can handle cleanup themselves with gloves, an N95 and bagging the material. Larger areas, or moisture inside walls, are where a professional makes sense. An inexpensive moisture meter will tell you more than a mold test.

Insurance: what usually applies

• Most homeowners and renters policies exclude flood, and rainwater that flows in from outside at ground level is usually treated as flood. Flood coverage comes from a separate flood policy (NFIP or private).
• If you have flood insurance and have not reported the damage yet, report it, and keep the photos and receipts for drying equipment and supplies.
• Water that came through a damaged roof or window can be handled differently from water that flowed in at ground level. Read the exact policy language or ask your agent.
• New NFIP policies usually have a 30-day waiting period, so a policy bought now would not cover this event.
• As of October 26, there is no federal disaster declaration for this event. Watch the City of Deerfield Beach and Broward County websites for local assistance, including any change to the city's flood rebate and mitigation program.

Is it urgent, or can you slow down? An honest triage

Renters: a Florida note

Florida law (Section 83.51, Florida Statutes) requires landlords to comply with applicable building, housing and health codes and to keep the structure in good repair. Report water damage to your landlord in writing and keep a copy. See our renters guide.

A note on storm-chasing contractors

After flooding, door-knockers follow. Be wary of anyone who wants a large deposit up front, asks you to sign over insurance payments, pressures you to decide today, or will not give a written estimate. Get more than one quote, and check a contractor's license with the Florida Department of Business and Professional Regulation (myfloridalicense.com).

Frequently asked

The water only covered my garage floor. Do I need to do anything?
Probably not much. Bare concrete dries on its own. Check the bottom of any drywall, stored boxes, and anything in contact with the floor.

Will bleach fix it?
Not on drywall or wood. Porous material with mold growth should be removed. Bleach is for hard, non-porous surfaces, and never mixed with ammonia.

My street floods every few years. What can I do before the next one?
Keep stored items off the floor, photograph rooms now so you can document any change, and ask your agent whether flood coverage makes sense for your address.