Flood insurance on a conforming loan: SFHA determinations, escrow and the 30-day waiver

If the new home sits in a Special Flood Hazard Area, your conforming lender must require coverage at the lesser of the loan balance, replacement cost or the NFIP cap, escrow the premium and notify you before closing; the 30-day NFIP wait is waived for loan closings.

The determination and the notice you should receive early

Every conforming loan carries a flood determination fee, usually $10 to $30, paid to a vendor that checks the property against FEMA maps. If the building sits in a Special Flood Hazard Area, the lender must give you a written notice a reasonable time before closing — examiners treat ten days as reasonable — stating that coverage is required, whether federal disaster assistance would be available, and whether the community participates in the NFIP. On a move-up purchase the surprise often comes with the lot, not the house: a larger property near a creek can be partly in the zone even though the seller never carried a policy. Ask for the determination as soon as the appraisal is ordered, not in the closing package.

How much coverage and who holds the money

The required amount is the lowest of the outstanding principal, the insurable value of the structure or the NFIP maximum of $250,000 for a residential building. Fannie Mae and Freddie Mac add their own expectation that contents are not required but the building coverage must reach the lesser of 100% of replacement cost or the loan balance, and for condos they require a master policy covering the building. Since the 2014 escrow rule, lenders must escrow flood premiums on loans they originate unless an exemption applies, so expect the premium inside your monthly payment even when you waived the tax and insurance escrow. Risk Rating 2.0 prices each policy on the structure’s own characteristics, so the seller’s old premium is not a reliable guide.

Timing: the waiting period and the zone that changes after closing

NFIP policies normally take effect 30 days after purchase, but the waiting period is waived when the policy is bought in connection with the making of a loan, which is why the binder can be dated the day you close. If FEMA remaps the property into a high-risk zone later, the servicer must notify you and give you 45 days to buy coverage before force-placing a policy at your expense; a successful Letter of Map Amendment removing the structure from the zone ends the requirement.

Private policies and the question to ask

Lenders must accept a private flood policy that meets the regulatory definition and may accept others at their discretion; private coverage is often cheaper on higher-value move-up homes that exceed the $250,000 NFIP limit. Confirm that the policy lists the lender as mortgagee with the loan number, and verify the community participates in the NFIP — in a non-participating community a federally regulated lender cannot make the loan at all.

What to check

• Get the flood determination when the appraisal is ordered; a lot partly in an SFHA still requires coverage on the building.
• Coverage must equal the lesser of loan balance, replacement cost or $250,000; consider a private policy above that cap.
• Expect the flood premium to be escrowed even if you waived the general escrow on your conforming loan.
• The 30-day NFIP waiting period does not apply to a policy bought for a loan closing — bind it the week of closing.
• Keep any Letter of Map Amendment with the loan file; it ends the mandatory-purchase requirement.

Frequently asked questions

The seller never had flood insurance — why does my conventional lender require it?

Because the requirement attaches to any loan from a federally regulated lender on a building in a Special Flood Hazard Area, regardless of what the prior owner did. The seller may have owned the home free and clear, bought before a map change, or never been checked. The lender’s determination vendor found the structure in the zone, and Fannie Mae and Freddie Mac will not purchase the loan without coverage.

Can I use a private flood policy on a conforming loan instead of NFIP?

Generally yes. Federal rules require lenders to accept private policies that meet the statutory definition and allow them to accept others that provide sufficient protection. The GSEs permit private flood insurance as well. Private coverage can exceed the NFIP building cap and sometimes costs less on a larger home; confirm the mortgagee clause and the coverage amount before closing.

The rule in full: Flood Disaster Protection Act and flood insurance requirements. The borrower profile: Conventional loan borrowers. Related guides: Conventional loan requirements: credit, down payment, DTI, reserves, property · Conforming loan limits: how the FHFA number works and what happens above it · Closing costs explained: what is negotiable, what is not · How much house can I afford? The math lenders actually use.

Other federal rules for conventional loan borrowers

TILA / Reg Z · RESPA · TRID disclosures · ECOA · Fair Housing Act · HMDA · SAFE Act / NMLS · ATR / QM · HOEPA · HPA / PMI · Servicing rules · FCRA · MARS rule · SCRA · LO compensation

Flood insurance for other borrowers

First-time buyers · Veterans · Self-employed · Investors · Retirees · Bad credit · Foreign nationals · Physicians · Heroes · Rural buyers · Condo & second home · Refinancing