A Tampa Bay 28 report said a sinkhole estimated at 60 feet deep opened at a home on Royal Crest Drive in Highland City, just outside Lakeland, in January 2024. It was filled. Ten months later, on November 6, a second sinkhole opened in the same front yard, this one 8 feet wide and 20 feet deep, roughly halfway between the road and the house. Polk County crews cordoned it off, monitored it, and filled it the following Monday. Jay Jarvis, director of Polk County's Road and Drainage Division, put the pattern plainly to local reporters: there is a possibility things can shift or reopen anytime you fill a sinkhole.
That sequence, filled once and reopened less than a year later, is the detail that should reshape how you read an insurance policy in Polk County. Most buyers assume "sinkhole coverage" is a single yes-or-no box on their homeowners policy. It isn't. Florida law requires one kind of ground-collapse protection automatically, and it requires a completely different kind only if you ask for it and pay extra. The Highland City repeat is a reminder that even a professionally repaired sinkhole doesn't necessarily stay repaired, which is exactly why insurers treat the two coverages so differently.
The Four Conditions Nobody Reads Until They Need Them
Under the Florida Statutes, every homeowners policy written in Florida includes catastrophic ground cover collapse coverage. It's mandatory under state law, and most people hear "the ground collapsing is covered" and stop reading. That's the mistake.
Catastrophic ground cover collapse, or CGCC, only pays out when four things happen at once: the collapse is abrupt, a depression is visible to the naked eye, the structure suffers actual structural damage, and a government agency condemns the home and orders it vacated. Miss any one of those four and the claim doesn't qualify, no matter how real the sinkhole activity underneath your slab actually is.
That bar is set high on purpose, and it excludes the version of sinkhole damage that shows up most often in central Florida: slow settlement. Cracks that widen over months. A door that starts sticking. A floor that develops a barely perceptible slope. None of that is abrupt. None of it typically produces a condemnation order. Which means the coverage every Polk County homeowner already has by law is built for the rare, dramatic event, not the common, gradual one.
According to GreatFlorida Insurance, the coverage that actually responds to gradual settlement is called full sinkhole loss coverage, and it's a separate, optional endorsement you have to specifically request and pay for. It isn't bundled into a standard policy. It typically carries its own deductible, calculated as a percentage of your dwelling coverage limit rather than a flat dollar figure, and insurers in high-risk counties often require a geotechnical inspection before they'll add it.
| Catastrophic Ground Cover Collapse (CGCC) | Full Sinkhole Loss Coverage | |
|---|---|---|
| Required by law | Yes, included in every policy | No, optional endorsement |
| Triggers on | All four conditions: abrupt collapse, visible depression, structural damage, and condemnation | Gradual settlement and structural damage |
| Requires condemnation | Yes | No |
| Deductible | Standard policy deductible | Separate deductible |
| Pre-approval inspection | Not typically required | Often required in high-risk counties |
A homeowner who assumes their standard policy has them covered, and never buys the endorsement, is protected against the version of a sinkhole that ends with a condemned house and a government order. They are not protected against the version that shows up as a widening crack over an 18-month period, which describes far more actual Polk County claims than the dramatic version does.
What Winter Haven's "Football Field" Hole Actually Proves
Not every alarming hole in the ground is a sinkhole at all, and that distinction matters just as much as the coverage gap.
In October 2025, police in Winter Haven received reports of a "sinkhole the size of a football field" on Intermodal Drive. Emergency crews responded, closed the road, and it looked, from a distance, like exactly the kind of event this article is about. It wasn't. Engineers determined that excavation work on a new retention pond had created a siphoning effect, pulling water underground from an existing pond across the street and carving a tunnel beneath the road. No limestone dissolved. No sinkhole activity, as Florida law defines it, occurred.
The reason that distinction matters for a buyer is definitional. Sinkhole coverage, the optional endorsement, only responds to damage caused specifically by sinkhole activity: soil or rock settling into underground voids created by water dissolving limestone. It does not respond to damage from broken pipes, poorly compacted soil after construction, decomposing buried debris, or a retention pond tunnel like the one on Intermodal Drive. If you're evaluating a property with a visible depression in the yard, a real geotechnical inspection is what tells you whether you're looking at true sinkhole activity or one of these look-alike causes, and that answer changes which coverage, if any, would ever apply.
The Disclosure Form Only Covers Half the Story
The Florida Department of Environmental Protection says Florida law requires a seller to disclose one specific thing about sinkholes: whether a claim was made against the property and paid by the insurer, and whether those funds were used for the repair. That's the full extent of the statutory requirement.
What it does not require is disclosure of a claim that was filed and denied. It does not require disclosure of visible symptoms, cracks, sloped floors, sticking doors, that a seller noticed but never reported to an insurer. A homeowner who lives with a hairline crack for years and never files anything has nothing to disclose under the letter of the law, even if a geotechnical engineer would flag the same crack in five minutes.
Set that against the Lakeland sinkhole that opened after Hurricane Milton in October 2024, which swallowed part of a home's garage and damaged the lawn. That event was dramatic, visible, and undeniable, the kind that gets reported to a carrier because there's no way not to. The disclosure law works well for cases like that. It works far less well for the slower, quieter version of ground movement that a seller might reasonably believe isn't worth mentioning because no claim was ever filed.
What This Means Before You Write an Offer
None of this is a reason to avoid buying in Lakeland, Winter Haven, Auburndale, Bartow, or Haines City. It's a reason to ask more specific questions than the disclosure form will answer on its own.
- Ask to see the declarations page of the current owner's policy and check specifically for the phrase "sinkhole loss coverage." CGCC being present tells you nothing about whether the broader endorsement is there too.
- Request a CLUE report (Comprehensive Loss Underwriting Exchange), which shows the property's insurance claims history, including claims that were filed but never resulted in a payout, which the disclosure form won't show you.
- If the home shows any of the common warning signs, cracks in walls, doors or windows that stick, a noticeable dip in the yard, treat a geotechnical inspection as a real line item in your due diligence budget rather than an optional extra.
- If a prior sinkhole was repaired, like the one in Highland City, ask specifically whether the repair was engineer-certified and whether the current insurer required updated documentation before reinstating or continuing coverage. A past repair is not proof of a permanent fix.
A Few Questions Worth Asking Directly
If a home has full sinkhole coverage, does that mean the ground under it is safe? No. The endorsement determines what your insurer will pay for if damage occurs. It says nothing about the likelihood of future ground movement, which is why a geotechnical report, not an insurance policy, is the tool that actually assesses risk.
Does a repaired sinkhole disqualify a home from getting coverage again? Not automatically, but insurers typically want engineering documentation proving the repair was completed and inspected before they'll write or renew a policy that includes the sinkhole endorsement.
If my neighbor's house had a sinkhole claim, does that affect my policy? Not directly through disclosure law, since the requirement applies to the specific property being sold. It can still be useful information, since sinkhole activity often clusters in the same soil conditions across nearby lots.
Is the cost of the sinkhole endorsement the same everywhere in Polk County? No. Pricing depends on the carrier's own risk assessment of the specific property and often requires an inspection first, which means two homes on the same street can see different quotes.
The gap between what your policy automatically includes and what it actually takes to protect a Polk County home is exactly the kind of detail that gets skipped in a fast-moving offer. If you're evaluating a property here, or trying to figure out what a seller's disclosure actually tells you and what it leaves out, The REvest Group can walk through the specifics with you before you're locked into a contract. Schedule a free consultation and home valuation to start with the questions that matter for your address, not just the general ones.
This article is general information, not legal, tax or financial advice. Consult a qualified professional about your situation.
