In Florida, contractors do not charge sales tax on labor when the work is a permanent improvement to real property, such as building an addition, installing a roof, or running electrical wiring. The contractor pays the 6% state sales tax (plus any county surtax) on the materials at purchase and folds that cost into the bid, so the customer’s invoice carries no tax line at all. The rule flips when a contractor sells and installs something that isn’t permanently attached to the building or the land. Then the whole charge, labor included, is taxable.
Almost every sales tax question on a Florida job comes down to which side of that line the work falls on.
Permanent Improvements to Real Property
Real property improvements are jobs that become a permanent part of the building or the land. Pouring a foundation, framing walls, installing a roof, running wiring, putting in a central HVAC system, and building a permanent deck all qualify. Florida treats the contractor as the final consumer of every material that goes into that kind of work. Tax is paid upstream, on the lumber, concrete, wire, and other supplies. The customer sees no sales tax on the bill.
The invoice format doesn’t change this. Even if a contractor breaks out materials and labor as separate line items, neither line gets sales tax added. The tax has already been paid at the supply house.
One trap catches contractors who shop out of state. If you buy materials from a vendor that doesn’t collect Florida sales tax, you owe use tax at the same 6% rate, and you’re expected to self-report it to the Department of Revenue. Ordering online from a supplier in another state doesn’t erase the obligation. It just shifts who has to remit.
Selling and Installing Tangible Personal Property
The rules change when the contractor is selling and installing tangible personal property. That means items that aren’t permanently fixed to the structure, things that can be removed without damaging the building: freestanding bookshelves, a portable dishwasher, window treatments on removable rods, unattached appliances. On this kind of job the contractor is acting as a retailer. The full price to the customer is taxable, and that includes the item, any fabrication labor, and the installation labor.
A contract can, in theory, separate the price of the goods from the installation labor and limit the taxable amount to the goods alone. But it only works if the customer takes legal ownership of the items before installation begins. That’s uncommon. Most contractors bundle everything into one price, and the Department of Revenue taxes the whole thing.
Repairs
Repair work follows the same split, and it’s where most contractors get tripped up.
Fixing something that is part of the building itself is a real property repair. Patching drywall, replacing a broken floor tile, repairing a pipe inside a wall. The contractor pays tax on the parts and materials at purchase, and the customer’s bill carries no sales tax.
Repairing tangible personal property is different. Fixing a washing machine, reupholstering a couch, servicing a portable generator. The full charge to the customer, parts and labor together, is taxable.
There is a narrow exception. If a repair to tangible personal property uses only labor and no parts at all, the charge is not taxable. But the moment any tangible part goes into the job, even a small one, the entire service charge becomes taxable. The invoice needs to make the labor-only nature of the work clear, because an auditor will assume the full charge is taxable unless the paperwork proves otherwise.
Mixed Contracts
Some jobs involve both categories at once. A kitchen remodel that includes permanent built-in cabinetry (real property improvement) and freestanding appliances (tangible personal property) is a common example.
When one contract covers both, the contractor has to separate the two for tax purposes. The real property portion follows the standard rule: tax paid on materials at purchase, no sales tax to the customer. The tangible personal property portion is taxable to the customer on the full selling price, including the installation labor for those items. Failing to split mixed contracts correctly is one of the more frequent audit findings the Department of Revenue flags.
Public Works for Government Entities
Public works projects for governmental entities operate under a separate set of rules in Florida Administrative Code Rule 12A-1.094. Contractors on those jobs can buy materials without paying sales tax at the point of purchase by giving the supplier their Annual Resale Certificate, and the tax treatment then depends on how the materials get used. If you do government work, don’t assume the standard real-property-improvement rules apply automatically. The public works framework has its own documentation and remittance requirements.
What Happens If You Get It Wrong
Under Florida Statute 212.12, a contractor who fails to file a return or pay the tax owed on time faces a penalty of 10% of the unpaid amount, with a $50 minimum. When the underpayment is discovered later and wasn’t disclosed on the original return, the penalty grows: 10% for the first 30 days, plus another 10% for each additional 30-day period the failure continues, up to a maximum of 50% of the unpaid tax.
Interest accrues on top of the penalties at 1% per month, calculated from the 21st day of the month following the period the tax was due. On a $20,000 deficiency, the total climbs quickly.
Florida also holds business owners and corporate officers personally liable for sales tax that was collected from customers but never sent to the state. A corporate entity doesn’t shield the individuals who had authority over the company’s finances, and not knowing the rule is not a defense.
Contractors get audited more often than many other business types because the real-property-versus-personal-property line creates so many chances to misclassify. Keep contracts, purchase orders, and invoices organized by project. If an auditor can’t tell from your records which side of the line a job sat on, they’ll pick the reading that produces more tax.