What a Concrete Slab Costs in Florida

What does a concrete slab cost in Florida?

As of October 2026, a concrete slab runs $4–$10 per sq ft installed across the Florida market data we track, with most jobs landing nearer $6–$8. That compares with a wider national $6–$12 per sq ft figure, since published Florida city data tends to sit below the national average on smaller flatwork, and with Orlando-specific pricing of $4 to $8 per square foot averaging $5,476 for a typical project (Angi Orlando, Apr 2026). A slab's price depends far more on its thickness, reinforcement and base than on the square footage alone, which is why two pads of the same size can land at opposite ends of the range.

Concrete slab cost by size

These totals multiply the Florida market range above across common pad sizes, from a small generator footing to a two-car garage floor. They don't include demolition of anything that was there before, or the cost of a permit where one applies.

Arithmetic on the $4–$10 and $6–$8 per sq ft figures above. For reference, Angi's Orlando data prices a 10×10 pad at about $610 and a 30×30 slab at about $5,500 (Angi Orlando).

Cost by thickness, mix and reinforcement

Thickness and mix design move a slab's price more than almost anything else, since a thicker pour needs more concrete and, often, steel. HomeGuide's national data breaks the per-square-foot cost out by depth, and Angi's Orlando page breaks it out by mix instead; both describe the same underlying driver, how much material and reinforcement goes into the pour.

HomeGuide, concrete slab cost; Angi Orlando, concrete slab cost.

Most residential accessory pads, shed floors, generator footings, parking pads, land on the 4-inch, standard or rebar-reinforced lines. Going to 6 inches only makes sense where the pad actually carries truck, RV or boat-trailer weight; paying for it on a pad that will only ever hold a storage shed adds cost without adding anything the shed needs.

What moves a slab quote up or down

Beyond thickness and mix, five factors routinely separate a low bid from a high one on the same footprint.

HomeGuide, concrete removal; Lakeland Concrete Contractors, ready-mix pricing.

Ready-mix concrete by the cubic yard

Most slab quotes are priced per square foot, but the material itself is bought by the cubic yard, and that number is worth knowing when a bid looks unusually high or low. Orlando-area ready-mix runs $120 to $170 per cubic yard for all-purpose mix and $160 to $215 for high-strength, with the slab-specific Angi page citing about $110 per yard (Angi Orlando; Angi Orlando, driveway). Lakeland and Polk County contractor pricing puts a planning average of $145 per yard on top of a $130–$160 range, plus a $5–$15 fuel surcharge, a $50–$150 flat fee on loads under about 5 yards, and $8–$15 per yard for a hot-weather retarder in summer (Lakeland Concrete Contractors). A 20×20 ft slab at 4 inches thick needs roughly 5 cubic yards before waste, so a small pad that only needs 1 or 2 yards is almost always hit with a short-load fee, which is part of why a tiny pour costs more per square foot than a full driveway does.

Permits: when a pad needs one, and when it doesn't

Whether a slab needs a permit turns on its use and its size, not a single statewide rule. Florida's structural masonry specialty contractor certificate covers slabs, footers and foundations as a category, but that's a licensing scope, not a permit trigger by itself (Fla. Admin. Code R. 61G4-15.100). Since July 1, 2026, Florida's HB 803 exempts single-family homeowners and their contractors from a local building permit on non-structural work valued under $7,500, outside a flood-hazard area, which covers plenty of shed, generator and utility pads, though a written exemption request still has to be filed (City of Orlando, HB 803 guide).

City of Kissimmee; City of Orlando; Manatee County; City of Orlando.

On a contract over $2,500, Florida's lien law requires a recorded Notice of Commencement before work starts no matter which permit track applies (F.S. 713.13). A garage addition tied into the house's structure sits outside any of the accessory-pad exemptions above and generally needs the full engineered permit path instead. Our shed slab guide and RV and boat pad guide go deeper into size, thickness and permit questions for those specific pads.

Two worked examples

These are planning illustrations built from the market range above, not jobs we've priced or a promise of what your pad will run.

Orlando area. Say you have a 12 × 20 ft carport slab (240 sq ft) going in behind a 1990s Clermont home, poured on clear, graded ground with no demolition. At $4–$10 per sq ft, that's roughly $960 to $2,400, or $1,440 to $1,920 nearer the typical middle, before any permit fee. If the carport ties into the house as a true addition rather than standing alone, the structural review adds cost the accessory-pad estimate above doesn't capture.

Sarasota area. Say you have a 10 × 14 ft generator and AC equipment pad (140 sq ft) added after storm season at a Bradenton home, 4 inches thick on open ground. At the same $4–$10 market range, that's about $560 to $1,400, or $840 to $1,120 nearer the middle. The rate doesn't change because the address is in Manatee County instead of Orange; what can change the number is whether Manatee's non-structural exemption applies to that particular pad.

How to save money without cutting the base

The base and the slab's thickness are the two places a cheap bid usually cuts corners, and they're also the two places that cost the most to fix later once a pad has already settled or cracked. A few other levers move the price without touching either one.

• Order the right mix for the job instead of defaulting to the highest-strength option; a shed floor doesn't need the same mix as a parking pad built for a work truck.
• Schedule a small pad alongside a larger pour already planned on the property, a driveway section or a patio, so the truck's delivery and the minimum-load fee are shared instead of paid twice.
• Keep the finish plain. A broom finish costs less than a stamped or colored one, and a utility pad under a shed or generator rarely benefits from either.
• Confirm whether your project qualifies for the HB 803 permit exemption before a contractor builds a full permit fee into the bid by default.
• Avoid thinning the slab or skipping compaction passes to hit a lower number; a pad that settles in year two costs more to fix than it saved on day one.

What a slab quote should include

A complete bid for a concrete pad spells out more than a single dollar figure per square foot.

• Thickness and mix (standard, rebar-reinforced, high-strength or fiber-mesh) written down, tied to what the pad will actually carry.
• How the base is prepared: what gets removed, what compacted fill goes in, and in how many lifts.
• Whether demolition and haul-off of anything that's there now, an old pad, a stump, is included or billed separately.
• Whether a permit applies to your specific pad, who files it, and whether the fee is part of the quoted price.
• Cure time before the pad can be loaded, especially for a pad going under a heavy generator or a vehicle.

Our concrete slab page covers how we build and base a pad; our resurface-or-replace comparison is the place to look if the question is fixing an old slab rather than pouring a new one.