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How Often Do I Need to Update My Flood Insurance Policy?

May 20th, 2025

3 min read

By Chris Greene

Have You Outgrown Your Flood Insurance Coverage?

Have you renovated your home, seen your property value rise, or heard a story about someone underinsured when disaster hit?

Most homeowners think once their flood insurance is in place, they can forget about it. But the reality is: flood policies must evolve with your property and its risks.

At The Flood Insurance Guru, we help homeowners understand when, why, and how to update their coverage — before a claim exposes the gap.

In this article, you’ll learn:

  • Why regular policy updates are essential
  • When private or excess flood coverage makes more sense
  • How changes in value, maps, and materials impact your insurance
  • And how to self-assess your current protection

Homeowners Insurance vs. Flood Insurance: What’s the Difference?

Homeowners insurance typically covers:

  • Fire

  • Wind and hail

  • Theft or vandalism

  • Water damage from burst pipes

It does not cover flooding caused by rising water, storm surge, flash flooding, or river overflow. For that, you need a separate flood insurance policy — and the stakes are high if you don’t have one.

The NFIP and Its Limits

Most policies are backed by the National Flood Insurance Program (NFIP). But the program has strict limits:

  • $250,000 cap for building coverage
  • Actual Cash Value for contents (not full replacement)
  • No coverage for Additional Living Expenses (ALE)
  • 18% annual rate increase cap (but no guarantee on affordability)

If your replacement cost is $450,000, you’re left with a $200,000 gap unless you supplement your NFIP policy.

Why You Should Regularly Update Your Flood Insurance Policy

1. Home values change.

Many homeowners have seen their home value rise significantly. If your policy hasn’t been updated in years, you may be grossly underinsured.

2. Replacement costs increase.

With inflation and supply chain issues, the cost to rebuild your home could be much higher than it was even two years ago.

At The Flood Insurance Guru, we design coverage using cost per square foot — not outdated estimates.

3. Flood risks evolve.

FEMA updates flood maps every 3–5 years, but it can take 15–20 years in some areas.

In Huntsville, Alabama, for example, rapid development and added impervious surfaces have increased runoff and flood threats in neighborhoods previously considered low-risk.

4. Policy terms change.

Private and excess options now offer more flexible protection. But if you don’t review annually, you could be missing out on coverage that better fits your needs.

The Deductible Trap: A Common Mistake

Homeowners often raise their deductible to save money — but that can backfire with flood insurance.

We frequently see people take this step without realizing the risk. It’s often not worth the minor premium savings.

What Happens If You Don’t Update Your Flood Insurance?

  • You could fall below the 80% replacement cost threshold, which converts your policy to Actual Cash Value and dramatically lowers your claim payout.
  • Outdated limits mean out-of-pocket rebuild costs — often in the tens or hundreds of thousands.
  • Underwriting may reject major adjustments during a claim if the building use, square footage, or updates weren’t disclosed.

Excess and Private Flood Insurance: What You Need to Know

How Excess Coverage Works

Think of excess flood insurance as a second layer over your NFIP coverage.

This is vital if your home would cost more than $250,000 to replace — which applies to most modern, mid- to high-end properties.

When Private Flood Insurance May Be Better

Private flood insurance can offer:

  • Higher building and contents limits
  • Replacement cost on contents (not just ACV)
  • Additional living expenses coverage (ALE)
  • More underwriting flexibility

However, be aware of the trade-offs:

  • No rate cap — private companies can raise premiums as they see fit
  • No guaranteed renewals — unlike the NFIP
  • Different claims and appeals process — sometimes with fewer protections

“I’m On a Hill — I’ll Never Flood” Is a Dangerous Assumption

One of the biggest objections we hear is:

Flooding isn’t just about elevation — it’s about water redirection, drainage infrastructure, and development patterns.

Even high-elevation properties can flood from:

  • Heavy rainfall that overwhelms drainage
  • Water runoff from nearby developments
  • Backflow and flash flooding

Why Insurance Beats FEMA Assistance

Many homeowners assume FEMA will bail them out. But that’s a dangerous myth.

FEMA aid is limited, not guaranteed, and often comes as a loan. Insurance is your first and best defense — one that pays based on your actual loss, not funding availability.

How to Assess Your Current Flood Insurance Coverage

Use this step-by-step approach:

  1. Review your current building and contents coverage
  2. Calculate your home’s replacement cost today — not market value
  3. Check for gaps by comparing coverage to rebuild cost
  4. Explore private and excess options if you’re over the NFIP limit
  5. Know that major changes may trigger underwriting review — especially if the building use has changed
  6. Be aware of waiting periods — a 30-day delay may apply unless coverage is required by a lender

You now understand why updating your flood insurance is essential.

From rising property values to out-of-date maps, the risks of underinsurance are real and growing.

Use our tools, download the checklist, or schedule a review.

At The Flood Insurance Guru, we help you understand not just what coverage you have — but whether it’s enough when it matters most.

Frequently Asked Questions

How often should I review my flood insurance policy?

We recommend reviewing it once a year, especially after renovations, market value changes, or local development.

What’s the biggest mistake people make with flood insurance?

Raising their deductible too high and not updating replacement cost regularly. Both can lead to major financial losses.

What’s the difference between NFIP and private flood insurance?

The NFIP has standardized limits and a guaranteed renewal, but limited coverage. Private options offer higher limits and more flexibility, but can drop you or raise rates.

Does flood insurance cover temporary housing?

NFIP does not. Some private flood policies include Additional Living Expense (ALE) coverage.

Can I switch to private flood insurance anytime?

Yes, but it may involve underwriting and you could face a 30-day waiting period unless required for a loan closing.

Chris Greene