Flood insurance
Flood insurance is separate coverage for direct physical damage caused by a flood as the policy defines it, such as overflowing rivers, storm surge, rapid surface-water runoff or qualifying mudflow. Standard homeowners and renters policies usually exclude flood, so buildings and belongings need their own flood policy, with its own limits, deductibles, exclusions and waiting period.
Also called: flood coverage, national flood insurance program, nfip
Four answers matter first: whether your current policy covers flood, whether you need or can get a separate policy, how much building and contents coverage is available, and when it would start. Standard homeowners insurance and renters policies usually exclude flood, according to the NAIC (opens in a new tab), so flood protection generally comes from a separate policy through the National Flood Insurance Program (NFIP) or a private insurer.
How a flood claim is paid
The NFIP policy defines a flood as "a general and temporary condition of partial or complete inundation of two or more acres of normally dry land area or of two or more properties," caused by overflow of inland or tidal waters, unusual and rapid accumulation or runoff of surface waters, or mudflow, per the FEMA NFIP Claims Manual (opens in a new tab). It pays only for direct physical loss by or from flood. Building and contents are separate coverages with separate limits and usually separate deductibles.
The example uses the NFIP residential maximums published by FEMA (opens in a new tab); the damage amounts and deductibles are illustrative.
Hover or tap a row to highlight it.
| Coverage | Covered damage | Deductible | Insurer pays |
|---|---|---|---|
| Building | $60,000 | $2,000 | $58,000 |
| Contents | $20,000 | $1,000 | $19,000 |
| Total | $80,000 | $3,000 | $77,000 |
The policyholder's share of the covered loss is the $3,000 in deductibles, assuming all damage is covered and within limits. Exclusions, actual-cash-value settlement, too-low limits, or proof-of-loss problems can lower the payment.
Coverage options and amounts, and what each changes
These are the choices that shape both the premium and the check after a flood. Premium depends on location, construction, replacement cost, limits, deductible and other policy characteristics, so no single price applies.
- Building coverage. NFIP residential building coverage goes up to $250,000 and can include structural components, permanently installed systems, appliances, foundations and cleanup.
- Contents coverage. Residential contents coverage goes up to $100,000, separate from the building limit and generally with its own deductible. Renters can buy contents coverage up to $100,000, but it does not insure the rented building.
- Business coverage. NFIP business policies can provide up to $500,000 for the building and $500,000 for contents, subject to eligibility, according to FEMA's coverage summary (opens in a new tab).
- Deductible. A higher deductible generally lowers the premium and raises your share of a covered loss.
- Valuation. Buildings may qualify for replacement cost under certain conditions, while contents are commonly paid at actual cash value, with depreciation deducted.
- Increased Cost of Compliance. Eligible NFIP policyholders may receive up to $30,000 to bring a flood-damaged building up to floodplain requirements, per FEMA (opens in a new tab).
- NFIP or private. Private policies may offer higher limits or broader coverage; some cover outside water intrusion that does not meet the NFIP flood definition, according to the Florida Department of Financial Services (opens in a new tab). Definitions, deductibles, valuation and waiting periods need a direct comparison.
- Waiting period. NFIP coverage generally begins 30 days after purchase, with exceptions for certain mortgage transactions, renewals, map changes and post-wildfire flooding.
Where you meet flood insurance, and how it differs from water damage
On a homeowners policy, flood usually shows up as an exclusion. Condo unit owners and their association each carry policies that insure different property, and a renter's separate flood policy covers belongings only. Businesses can buy NFIP General Property policies, and flood damage to a car is generally handled under comprehensive coverage instead. The term appears on quotes, applications, binders, declarations pages, renewal notices, lender requests, exclusions, endorsements, claim letters and proof-of-insurance requests.
Homeowners, condo and renters policies usually cover specified water damage, such as a sudden plumbing leak or rain entering through a storm-created opening, while excluding flood, per the NAIC homeowners guide (opens in a new tab). A sewer or sump-pump backup endorsement is different again: it may cover certain backups but not floodwater. An NFIP policy also does not pay for temporary housing: it excludes additional living expenses and loss of use, along with lost revenue and business interruption.
How Connecticut and New York rules apply
A federally regulated or federally insured lender generally must require flood insurance on a building securing a loan in a participating community's Special Flood Hazard Area, under 42 U.S.C. § 4012a (opens in a new tab). Connecticut adds two rules. Insurers licensed for homeowners or commercial property may offer flood coverage in parts of the state they select, under Conn. Gen. Stat. § 38a-316f (opens in a new tab), and a mortgage lender cannot require flood insurance above the replacement value of the premises, under Conn. Gen. Stat. § 36a-757 (opens in a new tab). Our guide to Connecticut flood insurance covers the state in more detail.
New York requires insurers to send homeowners and dwelling-fire policyholders an annual notice, with new and renewal policies, explaining that those policies do not cover flood or mudslide and that separate NFIP policies are available, under N.Y. Insurance Law § 3444 (opens in a new tab). The notice changes what you are told, not what a homeowners policy covers.
Questions to ask an agent or insurer
- Does my current homeowners, condo, renters or business policy cover a policy-defined flood? Standard property policies usually exclude it.
- What are my building limit, contents limit and separate deductibles? NFIP residential maximums are generally $250,000 for the building and $100,000 for contents.
- Which water events and property does this exact policy exclude? Sewer backup, seepage, earth movement, basement property, living expenses and business interruption can each be treated differently.
- When does coverage begin, and does a waiting-period exception apply to me? The usual NFIP wait is 30 days.
- Will my lender require a specific amount or accept a private policy, and will premiums be escrowed? A lender's required amount may be less than the building's full replacement cost.
Frequently asked questions
These questions come up most after a lender request or a storm.
Do I need flood insurance outside a high-risk zone?
The federal lender requirement applies in Special Flood Hazard Areas, but a lender may also require coverage outside them. More than 20% of NFIP claims have come from outside high-risk areas, according to the NAIC (opens in a new tab).
Can I buy flood insurance when a storm is coming?
You can buy it, but damage before coverage begins is not covered. With the usual 30-day NFIP wait, a policy bought as a storm approaches generally will not apply to that storm unless an exception fits.
Does flood insurance cover landslides or sinkholes?
NFIP covers defined mudflow but excludes many landslide, subsidence, sinkhole and other earth-movement losses.
Will my lender's required amount fully protect the house?
Not always. Federal lender requirements can be capped at the outstanding loan balance or the NFIP maximum, which may fall below the building's replacement cost and leave contents uninsured.