
A remodeling contractor in Marathon signs a contract for a kitchen and two bathrooms in a 1970s ground-level house. Halfway through demolition, the county’s floodplain review comes back: with this job and the work the owner did two years ago, the improvements cross the substantial improvement threshold, and the whole house now has to be brought up to current flood elevation. The kitchen job has become a reconstruction. The owner is furious, the schedule is gone and the contract says nothing about what happens next. The dispute that follows lands on the contractor, and his general liability carrier is the first call.
In the Keys, the building code decides more of a contractor’s exposure than the contract does. Contractors working in Monroe County deal with constraints that do not exist on the mainland: everything arrives down one road, flood elevation governs what can be built and repaired and a rule many owners have never heard of can turn a renovation into a reconstruction partway through the job. The right insurance program for Keys work is built around those realities, not copied from a policy written for a contractor in Miami.
The 50 Percent Rule Is a Contractor’s Problem First
In a mapped flood zone, when the cost to repair or improve a building reaches half of its market value, local floodplain rules generally require the whole structure to be brought up to current standards instead of simply restored. In the Keys, where much of the housing predates current elevation requirements, that often means elevating the building, and a kitchen and bath remodel becomes a reconstruction with a new foundation, new utilities and new access, as our article on FEMA’s 50 percent rule in Monroe County explains.
Three things follow for a contractor. The floodplain administrator makes the determination, not you or the owner, so it is worth knowing where a project sits relative to the threshold before you sign, not after the permit review. Some jurisdictions count improvements over a period of years, so an owner who has done several smaller projects may be closer to the line than either of you realize. And your contract should say what happens if the determination changes the scope, because a job that stops midway is a dispute waiting to happen, and it is the kind of dispute that turns into a claim rather than a change order.
Your General Liability Does Not Pay to Redo Your Own Work
This is one of the most expensive misunderstandings in the trades, and it lands harder in the Keys because rework costs more here than almost anywhere. If your work fails and damages the building around it, general liability generally pays for that damage. It does not pay to replace your own defective work, because the workmanship is what you were paid to get right. What matters most is products and completed operations coverage, which responds to finished work that fails later. Make sure it is included rather than removed, and check the aggregate limit, which caps all such claims in a policy year, as our article on general liability insurance for contractors explains.
One Road Changes the Timeline on Everything
Materials, specialty trades, equipment and inspections all come down from the mainland, and that affects your business in three ways. Schedules run long, which raises the odds of a liquidated damages clause biting on a commercial contract, so read those clauses before you sign. Your tools and equipment travel constantly, which is what inland marine coverage for contractors’ equipment is built for, so confirm how it treats theft from an unattended vehicle and whether high-value items need to be listed. And if your own yard or shop is damaged, the contractors who would repair it are coming from the mainland and are booked, so business income coverage needs a longer recovery period here than the same policy would need in Miami.
Certificates Are the Gate to the Job
Whether you work as a subcontractor for a general contractor, for a property manager or on municipal and county projects, no certificate means no site access. The requirements are specific: additional insured status for ongoing and completed operations, primary and noncontributory wording and a waiver of subrogation. Each of those requires an endorsement on the policy, not just wording typed onto the certificate, and a certificate that promises coverage the policy does not contain protects nobody, as our articles on additional insured coverage for contractors and what your contract requires from your insurance policy explain.
Our clients handle routine certificates themselves through our service center. Once the account is set up, you can add a certificate holder and issue a certificate at any hour without waiting on our office. Anything that needs special wording or a coverage change comes through us, because those are changes to the policy rather than to the certificate.
Subcontractors, Workers’ Compensation and the Audit
If you subcontract part of a job, the subcontractor’s certificate protects you. If you cannot produce one, your carrier will generally treat that subcontractor’s cost as your own payroll at audit, and the bill arrives months after the job closed. General liability is usually auditable against payroll or receipts, and so is workers’ compensation, so reporting accurately through the year costs far less than settling up at the end, as our article on what to expect at a workers’ comp payroll audit explains.
Florida treats construction differently from other industries for workers’ compensation. Construction businesses with even one employee generally must carry it, and the exemptions available to corporate officers and LLC members are narrower than many contractors expect. If you hold an exemption or believe you do not need coverage yet, confirm it, because it affects both your legal exposure and whether a general contractor will let you on the job, as our articles on workers’ compensation for contractors and workers’ comp exemptions for corporate officers and LLC members explain.
Working On or Over the Water
Much of the construction in the Keys happens at the waterline, from docks, seawalls and boat lifts to davits, boathouses and repairs to structures over water. Two things change when it does. Employees working on or near navigable waters can fall under federal maritime compensation law rather than Florida’s system, and a state workers’ compensation policy without the federal endorsement may not respond to their injury, as our article on USL&H coverage explains. Work in sanctuary waters also carries pollution and environmental exposure that a standard contractor’s policy excludes. If any part of your work happens over the water, those need to be addressed directly, as our article on marine artisan insurance in the Florida Keys covers.
Storm Season Is a Contract Question Too
Open work in progress is exposed when a storm comes, and who carries that risk depends on the contract. Builder’s risk covers the project during construction, and on a Keys job it should reflect the value at risk at its peak and the reality that a damaged project takes longer to restart here than on the mainland. Confirm who is required to carry it, which perils it covers and whether flood and named windstorm are included, as our article on builder’s risk for renovations of existing buildings explains. The same applies to your own materials on site and anything staged but not yet installed. Every vehicle used in the business belongs on a commercial auto policy, with hired and non-owned coverage for employees who drive their own cars.
What Keys Contractors Should Confirm
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Is products and completed operations coverage included, and what is the aggregate limit?
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Does your classification match the work you actually do, and do your contracts address scope changes from a floodplain determination?
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Are the additional insured, primary and noncontributory and waiver of subrogation endorsements your contracts require on the policy?
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Do you hold current certificates for every subcontractor, and is your workers’ compensation or exemption in order?
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Does your equipment coverage handle theft from an unattended vehicle, and is every business vehicle on a commercial auto policy?
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If any work happens over the water, do you have the federal maritime endorsement and pollution coverage?
Contractor Insurance in the Florida Keys With Prestige Insurance Group
Prestige Insurance Group writes contractor coverage throughout Key Largo, Tavernier, Islamorada, Marathon, Big Pine Key and Key West, for remodelers, general contractors, carpenters, electricians, plumbers, HVAC contractors, roofers, concrete and masonry contractors, pool contractors, dock and seawall builders, painters, flooring and tile installers and service contractors. Keys work is underwritten differently from mainland work, and we place it with carriers that understand the difference, then shop the program for a better price. Send us your current policy and a recent contract, and we will tell you where the gaps are before a certificate request or a permit review finds them. Learn more on our contractor insurance page, or see how much contractor insurance costs in Florida. Call the office nearest you. Se habla español.
Miami: 305-969-8776 Orlando: 407-993-2331
Frequently Asked Questions
What is the 50 percent rule for contractors in the Florida Keys?
When the cost to repair or improve a building in a flood zone reaches half of its market value, the whole structure generally has to be brought up to current flood standards, which can turn a remodel into a reconstruction.
Does general liability pay to fix my own faulty work?
No. General liability generally pays for damage your work causes to other property, not the cost to redo the work itself. Products and completed operations coverage responds to finished work that fails later.
Do Keys contractors working on docks and seawalls need special workers’ comp?
Often, yes. Employees working on or near navigable waters can fall under federal maritime compensation law, which a state policy may not cover without the federal endorsement.
What certificates do contractors need for Keys jobs?
Most contracts require additional insured status, primary and noncontributory wording and a waiver of subrogation, each of which needs an endorsement on the policy.
General information only, not legal advice. Floodplain rules, building code provisions, federal maritime law, workers’ compensation requirements and carrier guidelines vary by jurisdiction and change over time. Confirm the requirements that apply to your operation and project with the local floodplain administrator and qualified counsel.



