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November 18th, 2025
2 min read
By Chris Greene
As a Connecticut real estate investor, you make decisions based on numbers, not guesses. You know your cap rates, cash on cash returns, and debt service coverage ratios. You evaluate every line item in your budget.
But the expense most investors underestimate is flood insurance. After the widespread flooding Connecticut experienced in 2024, understanding this piece of your financial picture has never been more important.
This guide shows exactly how flood insurance influences your ROI, real case studies of investors who saved tens of thousands, and the three step framework to turn flood insurance from a burden into a profit advantage.
A Connecticut rental property valued at $300,000 generated $2,200 monthly rent. NOI (Net Operating Income) was expected to be around $15,000.
After three flood claims in ten years, the NFIP premium soared to $10,000 per year.
This reduced NOI to $5,000 and dropped the cap rate to 1.7 percent. The property was barely breaking even.
We shopped the private market and obtained a $4,000 premium with better coverage, including loss of rental income.
Results:
Annual savings: $6,000
Cap rate improved from 1.7 percent to 3.7 percent
Investor gained $60,000 over 10 years
A Connecticut investor experienced $200,000 in flood losses. Repairs were covered, but renewal came with a 300 percent premium increase, from $3,000 to $9,000.
This crushed the cap rate from 4.9 percent to 3.1 percent.
We implemented mitigation, updated the elevation certificate, and secured a private policy for $3,500.
Results:
Avoided $55,000 in premiums over 10 years
Restored cap rate to 4.7 percent
Protected long term equity and property value
| Feature | NFIP | Private Flood Insurance | ROI Impact |
|---|---|---|---|
| Building Coverage | $250,000 limit | Up to $2,000,000+ | Strong positive |
| Contents | Actual cash value | Replacement cost | Positive |
| Loss of Rental Income | None | Up to 12 months | Major positive |
| Typical Premium | $2,000 to $10,000+ | $1,500 to $6,000 | Positive |
| Waiting Period | 30 days | Often under 14 days | Positive |
For Connecticut investors, private flood insurance typically provides better coverage and stronger ROI.
Identify gaps in:
Building coverage
Contents
Loss of rental income
Premium impact on NOI
Calculate your premium as a percentage of gross rent.
Request:
Full replacement cost building coverage
Replacement cost contents coverage
12 months of rental income coverage
Mitigation creates significant ROI through lower premiums.
Improvements include:
Updated elevation certificate
Flood vents
Elevated utilities
Drainage upgrades
Many investors save $1,000 to $3,000 per year after mitigation.

Frequently Asked Questions
Q: Is flood insurance legally required for rental properties in Connecticut?
A: Yes, if the property is in a FEMA Special Flood Hazard Area and you have a federally regulated mortgage.
Q: How much does flood insurance cost in Connecticut?
A: Average premiums are around $1,426 per year, but high-risk areas can reach $5,000 to $10,000.
Q: Does NFIP cover tenant belongings?
A: No, tenants must insure their own possessions.
Q: What is the biggest mistake landlords make?
A: Relying on an NFIP policy without loss of rental income coverage.
Q: Can I get flood insurance outside a flood zone?
A: Yes, and it is recommended. Twenty percent of flood claims occur in low-risk zones.
Q: How can I lower my premiums?
A: Shop private flood options, increase your deductible, and complete mitigation improvements.
Flood insurance is more than an expense. For Connecticut investors, it is a strategic tool for protecting cash flow, preserving property value, and increasing returns. With weather risks rising, strategic flood insurance is essential for a resilient and profitable portfolio.
Protect your downside so your upside becomes limitless.
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