Do You Need Flood Insurance for Commercial Property in Texas?

Does My Commercial Property Policy Cover Flood?

Usually not. Standard commercial property policies carry a flood exclusion, and most also exclude surface water, meaning rain water that pools or flows over the ground. To insure against flood, you buy a separate flood insurance policy.

Some commercial policies add flood back by endorsement, an add-on that changes the policy. When they do, the flood coverage often has a lower sublimit and its own deductible. Check your declarations and endorsements rather than assuming either way.

What counts as flood matters too. The NFIP defines it roughly as a general, temporary condition where normally dry land is covered by water. That condition must cover two or more acres, or two or more properties, one of them yours. It can come from overflowing rivers or tides, rapid runoff, mudflow, or shoreline collapse. Rain coming through a wind-damaged roof is a different cause of loss. That's why the source of the water matters at claim time.

How Much Will NFIP Flood Insurance Pay on a Commercial Building?

The National Flood Insurance Program (NFIP), run by FEMA, has fixed maximums by building type. Building coverage and contents coverage are bought separately, and each has its own deductible.

A few NFIP rules shape what you actually collect:

• One building per policy. A property with several buildings needs a policy for each one.
• Actual cash value. FEMA's commercial summary says the General Property Form pays actual cash value for the building and contents, stock included. Actual cash value is replacement cost minus physical depreciation.
• No business income. NFIP excludes financial losses from business interruption or loss of use, so lost rent and lost sales aren't covered.
• Property outside the building is mostly excluded. That includes walkways, patios, fences, seawalls and similar items.
• Sewer backup only with a flood. Backup is covered only when a flood in the area caused it. Otherwise you need sewer backup coverage on another policy.
• Code upgrades are limited. Most NFIP policies include up to $30,000 of Increased Cost of Compliance coverage. It helps when the community declares a building substantially damaged and requires it to meet current floodplain rules. That amount sits inside the $500,000 building maximum.

How Long Is the Waiting Period for Flood Insurance?

Most new NFIP policies take effect 30 days after purchase. You can't wait for a storm to form in the Gulf and then buy coverage for it.

FEMA lists several exceptions to the waiting period:

• No wait when you buy coverage in connection with making, increasing, extending or renewing a loan.
• No wait for changes made at your policy's renewal.
• A one-day wait if the property was newly mapped into a high-risk zone and you buy within 12 months of the map change.
• A one-day wait for flooding caused or made worse by a wildfire on federal land, if you buy within 60 days after the fire is contained.

Private flood policies set their own waiting periods, and some may be shorter. Read the effective date and any waiting period on the quote before you count on a policy.

When Does My Lender Require Flood Insurance?

Federal law requires regulated or federally insured lenders to require flood insurance on buildings in a Special Flood Hazard Area that secure their loans, when NFIP coverage is available in the community. A Special Flood Hazard Area is a high-risk zone on FEMA's flood maps, such as zones beginning with A or V. Outside those zones, a lender can still require flood coverage under the loan agreement.

Under the federal rule (for example, the FDIC's version at 12 CFR §339.3), the required amount is at least the lesser of two figures. One is the outstanding loan balance. The other is the maximum NFIP coverage available for that type of building. The same rule says lenders must accept private flood insurance that meets federal standards. If required coverage lapses, the lender can buy force-placed insurance and charge you for it. That coverage is often expensive and limited.

On the coast, flood can also be a TWIA requirement. TWIA requires flood coverage for certain V-zone buildings built or changed after September 1, 2009. See our TWIA guide for the details.

What Are Excess Flood and Private Flood Insurance?

Excess flood insurance sits on top of an NFIP policy and pays above the $500,000 limit. Private flood insurance replaces the NFIP policy entirely. Owners of larger or income-producing buildings often look at one or both.

Who Usually Looks Beyond the NFIP?

• Owners whose building would cost more than $500,000 to rebuild.
• Businesses with valuable stock or equipment, since NFIP contents limits are fixed and pay actual cash value.
• Hotels, apartments and shopping centers that rely on rent or sales, since NFIP doesn't cover lost income.
• Owners whose loan documents ask for more flood coverage than the NFIP can provide.

Private and excess flood policies differ a lot. Before you switch from the NFIP, compare cancellation terms, deductibles, what counts as a building, and whether your lender accepts the policy. Also ask what would happen to your NFIP history and pricing if you later moved back.

Is My Flood Zone a Good Guide to My Real Risk?

It's a starting point, not the whole answer. A flood zone is FEMA's map label for flood hazard. It decides whether federal lender rules apply, but it doesn't promise a building will stay dry.

FEMA treats Special Flood Hazard Areas as places with at least a 1% chance of flooding in any year. Moderate- and low-risk zones still flood, especially in heavy rain when drainage is overwhelmed. An elevation certificate, a surveyor's record of a building's height compared with expected flood levels, can help you and your insurer understand a specific building.

Hurricane Harvey in 2017 shows the scale rain alone can reach. The National Hurricane Center calls Harvey the most significant tropical cyclone rainfall event in U.S. history. It measured 60.58 inches near Nederland, Texas. FEMA reports that as of July 31, 2021, it had paid NFIP policyholders more than $9.03 billion for Harvey claims. Those payments went only to owners who already had flood coverage in force.

What Happens If My Commercial Building Floods?

Report the loss to your flood insurer right away and ask whether an advance payment is available. Then protect what you can and document everything before you throw anything out.

1. Report the claim to your flood insurer or agent, and to your property insurer too if wind or other damage is also involved.
2. Ask the flood insurer about an advance payment if you need cash to start drying out.
3. Photograph and video damaged building parts, stock and equipment before removing them.
4. Separate damaged property from undamaged property.
5. Keep samples of materials such as carpet or drywall if the adjuster asks for them.
6. Keep receipts for cleanup, drying and temporary repairs, and records of prior repairs from any earlier flood.

FEMA's commercial summary lists these same basics: report immediately, separate damaged and undamaged property, and photograph before disposing. If wind and water both hit the building, each insurer adjusts its own cause of loss. Our claims guide walks through the rest of the process.

What Should I Do Next About Flood Coverage?

Start with what you own and what you owe. This checklist covers the main decisions.

1. Look up each building's flood zone, and keep any elevation certificate with your insurance file.
2. Read your property policy's flood and surface water exclusions and any flood endorsement.
3. List each building with its rebuilding cost and contents value, then compare those to NFIP limits.
4. Decide whether lost rent or business income after a flood needs coverage, since NFIP excludes it.
5. Check your loan documents for flood amounts, deductibles and acceptable insurers.
6. Buy or adjust coverage well before storm season, allowing for the 30-day wait.
7. Set a reminder to review flood coverage at every renewal and after any map change.

If you'd like help comparing NFIP, excess and private options for your buildings, request a review. Our Texas property risk guide also explains how flood fits with wind and hail on the coast.

Questions Owners Ask

Sources

1. FEMA FloodSmart: Buy a policy — Waiting period and exceptions
2. FEMA: NFIP Summary of Coverage, Commercial Property — Limits, flood definition, ACV valuation, exclusions, ICC
3. FEMA bulletin W-13070: June 1, 2014 NFIP program changes — Other residential (5+ units): $500,000 building, $100,000 contents
4. 12 CFR §339.3: Requirement to purchase flood insurance — Required amount and acceptance of private flood
5. FEMA: Understanding flood risk for real estate, lending and insurance professionals
6. FEMA: NFIP reinsurance program — Harvey NFIP payments as of July 31, 2021
7. National Hurricane Center: Tropical Cyclone Report, Hurricane Harvey
8. TWIA: Flood insurance requirement