Flood insurance guide
Flood Insurance in Washington: NFIP, Private Options, and State Facts
Atmospheric rivers, snowmelt, and year-round rain make flooding a when, not if, across Washington. Here is how flood insurance works here, in plain English.
The two ways to buy flood insurance in Washington
The NFIP (federal). The National Flood Insurance Program is the federal flood program. Congress created it in 1968 and FEMA runs it. You buy NFIP policies through a licensed insurance agent, and many are sold by private companies that partner with the program under what FEMA calls Write Your Own. The coverage, rates, and rules are the same no matter which company sells the policy.
NFIP limits are set by law. For a single family home, up to $250,000 for the building and up to $100,000 for the contents. For a business, up to $500,000 for the building and up to $500,000 for the contents. Most new NFIP policies take effect 30 days after you buy. The wait is waived when the policy is bought in connection with a loan closing, and it drops to one day when a revised FEMA map puts your property in a high risk zone.
Private flood insurance. Private flood insurers are regulated by the Washington Office of the Insurance Commissioner. A private policy may offer higher limits, different deductibles, or features like temporary living costs, and waiting periods are often shorter. Federal rules require regulated lenders to accept a private policy that meets the federal definition of private flood insurance, so a qualifying private policy can satisfy a lender the same way an NFIP policy does. Washington's Office of the Insurance Commissioner notes the NFIP covers about 30,000 homes in the state, roughly two-thirds of residential flood policies. Private flood insurance is sold alongside it and regulated by the Commissioner's office.
Washington's notable flood facts: a market assistance plan and active emergency orders
Washington runs the Washington Flood Market Assistance Plan, a matchmaker program created when Green River Valley businesses struggled to find flood coverage. Administered by the Surplus Line Association of Washington under the Insurance Commissioner's supervision, it pairs businesses needing coverage with participating insurers. Applications must come through an agent or broker.
Washington's Commissioner also uses emergency orders after major floods. After the December 2025 atmospheric river event, for example, the Commissioner ordered property and casualty insurers to provide 45-day grace periods for premium payments, waive late and reinstatement fees, and stop cancellations for nonpayment, while opening registration for out-of-state adjusters. If a flood hits your area, check the Commissioner's site for active emergency orders, since they can temporarily change billing and claims rules.
Questions about any insurer can go to the Commissioner's consumer experts at 1-800-562-6900.
When your lender requires flood insurance
Federal law requires flood insurance when a property sits in a Special Flood Hazard Area, the high risk zone on FEMA's map, and the mortgage is backed by the federal government or made by a federally regulated lender. This mandatory purchase rule works the same in Washington as in every state.
Lenders typically require coverage of at least the loan balance or the maximum NFIP limit, and they are listed on the policy as the mortgagee. Most lenders escrow the premium into the monthly payment, and if the loan is sold, the requirement follows the loan. A private policy that meets the federal definition can count, but the lender has to agree it qualifies, so send the declarations page to the lender before closing.
Because FEMA redraws maps over time, a home that was outside the high risk zone when you bought it can be mapped in later. Lenders recheck, and a new map can trigger a new requirement at renewal or refinance. Confirm your current zone with a licensed agent, not just the map from closing day.
How flood claims work
Report it fast. Call your agent or the company that sold the policy as soon as you can. With an NFIP policy, an adjuster typically calls within 24 to 48 hours to schedule a visit.
Document before the adjuster arrives. Photograph everything, move damaged items aside without throwing them away until the adjuster has seen them, and keep receipts for emergency repairs. The adjuster will measure, photograph, and note direct flood damage, and will hand you a suggested Proof of Loss. The adjuster does not approve or deny the claim.
The Proof of Loss deadline matters. You must review, sign, and send the Proof of Loss to your insurer within 60 days of the loss. Payment usually follows once the insurer agrees on the amount and receives your signed Proof of Loss. Building checks are typically made out to you and your mortgage holder together.
If you find more damage later, you can file a supplemental claim. If your claim is denied, you can appeal directly to FEMA within 60 days of the denial letter. After a major event, insurers are sometimes authorized to issue advance payments, so ask your agent. An advance can help you start repairs sooner.
What to do next
Three steps, in order. None of them cost anything.
Quick answers
My Washington business cannot find flood coverage. What can I do?
Ask your agent or broker about the Washington Flood Market Assistance Plan, which was built for exactly this situation. Businesses apply through an agent or broker, not directly.
Does a state emergency order change my flood claim?
It can change billing rules, like grace periods and cancellation holds, during the order's window. It does not rewrite your policy's coverage. Read the order and confirm with your agent how it applies to you.