Key Takeaways

  • Florida law requires insurers to offer sinkhole coverage on residential property policies
  • Catastrophic ground cover collapse is covered by default in all property policies
  • Full sinkhole coverage is optional and covers settling and structural damage from sinkholes
  • Sinkhole claims require testing and certification by a professional engineer or geologist
  • Specific disclosure requirements apply when offering or denying sinkhole coverage
Last updated: January 2026

Florida Sinkhole Coverage Requirements

Florida has unique sinkhole coverage requirements due to the state's geological conditions. Sinkholes are a significant risk in many parts of Florida.

Types of Sinkhole Coverage

Florida law distinguishes between two types of sinkhole-related coverage:

Coverage Comparison

Coverage TypeRequired?What It Covers
Catastrophic Ground Cover CollapseYes - MandatoryVisible hole, structural damage, condemned property
Sinkhole CoverageOffered - OptionalSettling, structural damage, testing costs

Catastrophic Ground Cover Collapse (CGCC)

Catastrophic Ground Cover Collapse is covered by default in all property policies:

CGCC Definition

For coverage to apply, ALL of these must occur:

  1. Abrupt collapse of ground cover
  2. Depression clearly visible to naked eye
  3. Structural damage to building requiring repair
  4. Building condemned and ordered vacated

Exam Tip: CGCC requires ALL four elements. If the structure is not condemned, CGCC coverage does not apply.

CGCC Coverage

  • Included in all residential property policies
  • Cannot be excluded
  • No additional premium required
  • Limited to the four-element definition

Full Sinkhole Coverage

Sinkhole Coverage provides broader protection:

What's Covered

CoveredDescription
Sinkhole ActivitySettlement or movement from sinkhole
Structural DamageFoundation and building damage
Testing CostsProfessional engineer/geologist testing
StabilizationRequired repairs to foundation

Availability

  • Insurers must OFFER sinkhole coverage
  • Policyholder may accept or reject
  • Additional premium required
  • Higher deductibles common (10% of dwelling coverage typical)

Claims Process

Florida has specific requirements for sinkhole claims:

Testing Requirements

All sinkhole claims require:

  1. Professional Testing: By licensed engineer or geologist
  2. Certification: Neutral evaluation of sinkhole activity
  3. Report: Written findings provided to insurer and insured
  4. Neutral Evaluator: Selected by parties if disputed

Claims Timeline

StepRequirement
Initial ReportPolicyholder reports potential sinkhole
InspectionInsurer inspects within 45 days
TestingProfessional testing ordered
ResultsProvided within reasonable time
DecisionAccept or deny based on testing

Disclosure Requirements

Florida requires specific disclosures:

Before Purchase

  • Explanation of CGCC vs. sinkhole coverage difference
  • Premium for sinkhole coverage if offered
  • Deductibles that apply
  • Any coverage limitations

After Claim Denial

If sinkhole coverage claim denied:

  • Written explanation required
  • Copy of testing report
  • Right to dispute findings
  • Neutral evaluation option

High-Risk Areas

Some Florida counties have higher sinkhole risk:

Sinkhole Alley

Central Florida counties with high sinkhole activity:

  • Hillsborough
  • Pasco
  • Hernando
  • Citrus
  • Marion
  • Polk

Note: Insurers may have different underwriting standards in high-risk areas.

Policyholder Responsibilities

Policyholders claiming sinkhole loss must:

  • Report activity promptly
  • Allow insurer access for inspection
  • Cooperate with testing
  • Make repairs as required (if coverage applies)
  • May be required to use repair funds for actual repairs
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Florida Sinkhole Coverage Comparison
Test Your Knowledge

What type of sinkhole coverage must be included in all Florida property policies?

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Test Your Knowledge

Who must perform testing for Florida sinkhole claims?

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