By Lena Polnet, NMLS #17225 | Dynamic Funding Solutions, Inc.
Flood insurance is one of those closing costs that surprises buyers who didn’t know to look for it. If the property you’re purchasing sits inside a FEMA-designated flood zone, your lender will require flood insurance as a condition of your loan — and in Florida especially, the premium can significantly affect your monthly payment and your debt-to-income ratio.
Here’s what Pennsylvania and Florida buyers need to understand before the flood zone determination comes back.
When Flood Insurance Is Required
Federal law requires flood insurance on any property that:
- Is located in a Special Flood Hazard Area (SFHA) — specifically FEMA flood zones designated with the letters A or V
- Is being purchased with a federally backed mortgage (FHA, VA, USDA, or conventional loans sold to Fannie Mae or Freddie Mac)
Zone A covers areas with a 1% annual flood chance (the "100-year floodplain") where base flood elevations have been established. Zone V covers coastal areas with the same flood probability but with additional velocity wave action — primarily relevant in Florida.
If both conditions are met — SFHA property and federally backed loan — flood insurance is mandatory. There is no waiver process for mandatory coverage. If you try to close without it, the loan will not fund.
For properties outside the SFHA (Zones B, C, or X), flood insurance is not required by the lender, though it may still be a wise purchase depending on the property’s history and proximity to flood-prone areas.
How to Check if a Property Is in a Flood Zone
Before you get deep into a transaction, you can look up any U.S. address using the FEMA Flood Map Service Center at msc.fema.gov. Enter the property address to see its flood zone designation and the effective date of the current flood map.
Your lender will also order a formal flood zone determination as part of the loan process — this is a third-party service that checks the property against FEMA’s database and issues a certificate used for the life of the loan. The cost is typically $15–$25 and is disclosed on your Loan Estimate.
If a property is in a borderline location, an elevation certificate (prepared by a licensed surveyor) can sometimes establish that the structure itself sits above the base flood elevation — which may result in lower flood insurance premiums or, in some cases, support a map amendment request to FEMA.
NFIP vs. Private Flood Insurance
There are two primary sources for flood insurance coverage:
NFIP (National Flood Insurance Program): Administered by FEMA and issued through participating insurance companies. Coverage caps at $250,000 for the dwelling and $100,000 for contents. Lenders must accept NFIP policies. Rates are federally set, though the Risk Rating 2.0 methodology (implemented in 2021) moved rates closer to actuarial risk — which means significant increases for many policyholders, particularly in Florida.
Private flood insurance: Issued by private insurers and may offer higher coverage limits, broader exclusions, faster claims processing, and in some cases lower premiums. Lenders are required by federal law to accept private flood policies that meet standard coverage requirements. For high-value properties or those where NFIP limits are insufficient, private policies are often the better choice.
Comparing NFIP and private options is worth the time. Premiums can vary substantially for the same property, and the difference has a direct effect on what you pay each month.
What Flood Insurance Costs — PA vs. FL
Costs vary significantly by location, property elevation, flood zone designation, and coverage amount.
Pennsylvania: Properties along the Delaware River corridor, in lower Bucks County communities like Yardley, New Hope, and Morrisville, and along Perkiomen Creek and Ridley Creek tributaries are the most common locations where mandatory flood insurance comes up for PA buyers. Annual NFIP premiums in these areas typically range from roughly $600 to $2,500 per year for a standard single-family structure, depending on elevation relative to base flood, construction type, and age of the building.
Florida: Coastal and barrier island properties face the highest premiums in the country. NFIP policies for properties in Zone AE or VE in Florida can run $2,000 to $6,000 per year or more. Inland Florida properties in Zone X pay much less or nothing at all if flood insurance is optional. The Florida market also has strong private flood competition, which has helped some buyers find more competitive rates.
How Flood Insurance Affects Your Monthly Payment and DTI
Flood insurance premiums are included in your monthly escrow payment alongside homeowners insurance and property taxes. Lenders calculate your total housing payment — including flood insurance — when determining your debt-to-income ratio.
This matters for qualification. A $3,000 annual flood insurance premium adds $250 to your monthly housing expense. On a $400,000 purchase, that shift can move DTI by a meaningful percentage. If flood insurance is a possibility on a property you’re considering, it’s worth getting a premium estimate early so we can run accurate qualification numbers before you’re under contract.
Escrow and Flood Insurance
Lenders who require flood insurance also require it to be escrowed — meaning the annual premium is collected in monthly installments and the lender pays the policy directly upon renewal. This is not optional when flood insurance is mandatory.
At closing, you’ll typically be required to prepay one year of flood insurance in advance, plus two months into escrow as a cushion. This is separate from homeowners insurance and can be a meaningful upfront cost to plan for.
Frequently Asked Questions
Q: The property I’m buying is near a flood zone but not in one. Do I still need flood insurance? A: If the flood zone determination confirms the property is in Zone X or another non-SFHA designation, your lender cannot require flood insurance. You may still choose to purchase it voluntarily — and in areas with historical flooding, that’s often a reasonable decision. Your insurance agent can give you a voluntary policy quote.
Q: Can I get the flood map changed if I think the designation is wrong? A: Yes. FEMA allows property owners to apply for a Letter of Map Amendment (LOMA) or Letter of Map Revision (LOMR-F) if an elevation certificate demonstrates the structure sits above the base flood elevation. If the LOMA is granted, the lender can waive the flood insurance requirement. This process takes time and should be started well before closing if it applies to your transaction.
Q: Will my homeowners insurance policy cover flood damage? A: Standard homeowners insurance policies do not cover flood damage. They are separate coverages. Sewer backup and surface water intrusion from heavy rainfall may be covered under an endorsement, but riverine flooding, storm surge, and coastal flooding require a separate flood policy.
Lena Polnet, NMLS #17225 | Dynamic Funding Solutions, Inc., NMLS #17144 | Licensed in Pennsylvania and Florida | (215) 364-7171 | dynamicfunding.net
Ready to get accurate numbers on a property that may require flood insurance? Call (215) 364-7171 or visit dynamicfunding.net to run the full payment picture before you’re under contract.