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Mold Damage Property Insurance Guide – Marathon, FL

8/20/2025 | 1 min read

Introduction: Why Mold Damage Claim Denials Matter in Marathon, Florida

Marathon sits in the heart of the Florida Keys, surrounded by warm waters and year-round humidity. That climate, while idyllic for boating and fishing, also creates perfect breeding conditions for mold inside residential structures. After storms such as Hurricane Irma in 2017 and countless heavy-rain events, Marathon homeowners often discover mold growth in attics, crawl spaces, and drywall. Unfortunately, insurers frequently deny or undervalue mold damage claims, citing exclusions, caps, or alleged late reporting. This guide—tailored specifically for policyholders in Marathon—explains how Florida law protects you and what steps you can take when you receive a property insurance claim denial.

Understanding Your Rights in Florida

Key Policyholder Protections Under Florida Statutes

Florida’s legislature has enacted strong consumer protections for homeowners:

  • Prompt Investigation and Payment: Under Fla. Stat. § 627.70131(7)(a) (2023), insurers must pay or deny a residential property claim within 90 days after receiving notice, unless factors beyond their control prevent them from doing so.

  • Obligation of Good Faith: Insurers owe a duty of good faith and fair dealing when adjusting claims. Failure to act in good faith may give rise to a civil remedy notice under Fla. Stat. § 624.155.

  • Full Disclosure: Florida Administrative Code rule 69B-220.201(3) requires adjusters to disclose all pertinent benefits and coverages to policyholders.

These laws apply statewide, including in Monroe County and the City of Marathon. If your insurer fails to comply, you can seek remedies through the Florida Department of Financial Services (DFS) or in court.

Statute of Limitations for Property Insurance Lawsuits

Timing is critical. Under Fla. Stat. § 95.11(2)(e), you generally have five years from the date of breach (usually the denial date) to file a lawsuit for breach of a property insurance contract. For hurricane-related losses, a separate two-year deadline to submit a new or reopened claim applies (Fla. Stat. § 627.70132). Do not delay once you receive a denial.

Attorney Licensing and Fees

Any attorney who represents you in Florida state courts must be admitted to The Florida Bar. Florida follows the “one-way attorney fee” statute, Fla. Stat. § 627.428, allowing prevailing policyholders to recover reasonable attorney’s fees from the insurer.

Common Reasons Property Insurance Companies Deny Claims in Florida

Insurers cite a variety of reasons when rejecting mold damage claims. Below are the most frequent grounds, along with strategies for addressing them.

Exclusion for Mold or Fungi

  Many homeowners policies issued in Florida contain ISO Form HO 03 endorsements that exclude mold unless it results from a covered peril such as a sudden pipe burst. Review your policy’s “Limited Fungi, Mold, Wet or Dry Rot” endorsement for sub-limits. If the mold arose from a covered water event, you may still be entitled to payment up to the limit.

Failure to Mitigate

  Insurers often argue that policyholders did not promptly dry the area or remove wet materials. Yet under Florida law, mitigation duties must be reasonable; professional remediation can be costly in Marathon because of the island’s logistics. Keep receipts for fans, dehumidifiers, or contractors you hired.

Late Notice

  Florida courts permit insurers to deny coverage if late notice prejudices their investigation (*see Soronson v. State Farm, 96 So.3d 949, Fla. 4th DCA 2012*). However, the insurer bears the initial burden of showing prejudice. Document when you discovered mold and when you contacted the carrier.

Pre-Existing or Wear-and-Tear Damage

  Adjusters sometimes claim that mold predated the policy period or resulted from long-term leaks. Independent experts can challenge those conclusions by analyzing moisture readings and spore counts.

Policy Caps Exceeded

  Many policies limit mold coverage to $10,000 or even $5,000. Nonetheless, additional amounts may still be owed under the policy’s dwelling or personal property coverage if the underlying water loss is covered.

Florida Legal Protections & Regulations

Florida Statute § 627.7011: Replacement Cost vs. Actual Cash Value

When mold remediation requires removing and replacing drywall, flooring, or cabinetry, the cost can skyrocket. Under Fla. Stat. § 627.7011(3), homeowners with replacement cost coverage are entitled to payment for the full replacement value without a deduction for depreciation, provided repairs are completed.

Prompt Pay Requirements

As mentioned, § 627.70131 establishes a 90-day window for insurers to pay or deny claims. Interest accrues on late payments at the statutory rate set by the Chief Financial Officer.

Civil Remedy Process

Before filing a bad-faith lawsuit, policyholders must submit a Civil Remedy Notice (CRN) via the DFS portal, giving the insurer 60 days to cure the violation (Fla. Stat. § 624.155). Failure to cure can result in extra-contractual damages.

Assignment of Benefits (AOB)

If you signed an AOB with a remediation company, note that Fla. Stat. § 627.7152 imposes strict requirements on contractors and limits fee shifting. Carefully review any AOB agreement to avoid jeopardizing your claim.

Florida Building Code & Monroe County Enforcements

The Florida Building Code (7th Edition, 2023) sets moisture-resistant construction standards. Monroe County’s building department may require additional permitting for mold-related demolition, especially in flood zones AE and VE that cover large portions of Marathon. Non-compliance can delay repairs and affect claim payments.

Steps to Take After a Denial in Florida

Request a Written Explanation

  Florida Administrative Code *69O-166.024* requires insurers to provide a written denial citing policy language. If you only received a verbal denial, demand a written one.

Collect and Preserve Evidence

  Take date-stamped photos or videos of mold growth, keep humidity logs, and maintain copies of moisture-mapping reports. In Marathon’s salt-air environment, materials deteriorate quickly, so preservation is key.

Review Your Policy

  Locate the declarations page, endorsements, and any amendments. Pay special attention to mold limitations, water damage exclusions, and duties after loss.

File a Complaint with Florida DFS

  The Florida Department of Financial Services Consumer Services Division offers free mediation and complaint handling. You may file online via the [MyFloridaCFO Consumer Portal](https://myfloridacfo.com/Division/Consumers/) or by calling 1-877-MY-FL-CFO.

Consider State-Sponsored Mediation

  Under *Fla. Stat. § 627.7015*, homeowners can request DFS-administered mediation for disputed claims under $500,000, excluding attorney’s fees. The insurer pays the mediator’s fees, giving policyholders an economical dispute-resolution path.

Hire Independent Experts

  Engage a licensed mold assessor (Florida Mold Services Licensure, *Ch. 468 Part XVI*). Their report can counter the insurer’s conclusions.

Document All Communications

  Keep a claim diary. Florida courts often rely on such diaries when assessing bad-faith allegations.

Consult a Qualified Florida Attorney

  An attorney experienced in property insurance can evaluate coverage, file a CRN, and, if necessary, initiate litigation within Monroe County Circuit Court (16th Judicial Circuit).

When to Seek Legal Help in Florida

Indicators You Need Counsel

  • Denial letter cites complex exclusions or ambiguous policy language.

  • Insurer’s estimate is well below independent contractor bids.

  • Insurer fails to respond within statutory time frames.

  • You receive a Reservation of Rights letter suggesting possible misrepresentation.

Costs and Fee Shifting

Because of Fla. Stat. § 627.428, policyholders often pay no upfront fees. Attorneys recover fees from the insurer if they obtain a favorable judgment or settlement.

Litigation Timeline

In Monroe County, a property insurance lawsuit typically proceeds as follows:

  • Pleadings (30–60 days)

  • Discovery (90–180 days)

  • Mediation (court-ordered) (30 days)

  • Trial (if needed) (12–18 months from filing)

Many cases settle after pre-suit mediation or during discovery, avoiding trial entirely.

Local Resources & Next Steps

Monroe County & Marathon Contacts

Monroe County Building Department – Permits and inspections for mold-related demolition. City of Marathon Code Compliance – Enforces mold abatement standards. The Florida Bar Consumer Information – Verify attorney licenses.

Check Your Flood Coverage

Mold caused by tidal flooding may fall under your National Flood Insurance Program (NFIP) policy rather than your homeowners policy. NFIP only covers mold that you could not have prevented (44 C.F.R. § 61 Appendix A(II)(D)). Review flood and homeowners policies together.

Prepare for Future Claims

  • Maintain humidity below 60% using dehumidifiers.

  • Inspect AC condensate lines and roof penetrations each hurricane season.

  • Store digital copies of your insurance policy in a cloud drive that survives storms.

Legal Disclaimer: This guide provides general information based on Florida law and authoritative sources. It is not legal advice. For advice about your specific situation, consult a licensed Florida attorney.

If your property insurance claim was denied, call Louis Law Group at 833-657-4812 for a free case evaluation and policy review.

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