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What is Florida's 25% roof rule?

Florida's 25% rule says that no more than 25 percent of a roof section may be repaired, replaced or recovered in any twelve-month period unless the whole roof section is brought up to current code. Since SB 4-D in 2022 there is an exception: if the existing roof was built, repaired or replaced under the 2007 Florida Building Code or later, only the repaired portion has to comply. The 2007 code took effect on 1 March 2009 — so your roof's permit date is what decides it.

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We measure the roof at this exact address.

What is Florida's 25% roof rule?

What the code actually says

The rule lives in the Florida Building Code — Existing Building section 706.1.1 and Residential section R908.1. The language is that not more than 25 percent of the total roof area or roof section may be repaired, replaced or recovered in any twelve-month period unless the entire roof system or roof section is brought into compliance with current code. It exists so storm-battered roofs get progressively upgraded to modern wind standards instead of being patched forever.

The 2022 exception, and the date that matters

SB 4-D, passed in the May 2022 special session on property insurance, added what is now section 553.844(5) of the Florida Statutes: where the existing roof was built, repaired or replaced in compliance with the 2007 Florida Building Code or any later edition, only the repaired, replaced or recovered portion must meet the current code. The 2007 code took effect on 1 March 2009. That date — not the damage percentage — is the hinge.

No city or county can make it stricter

Section 553.844(5) also says a local government may not adopt an administrative or technical amendment to this exception. So no building department in Hillsborough, Pinellas, Pasco, Hernando, Orange, Osceola, Lake, Polk, Manatee or Sarasota County can impose a tougher local version of it. If you're told otherwise, ask for the citation.

'Roof section' is not 'whole roof'

The threshold applies per roof plane or section, not to the house as a whole — which is why the answer depends on your roof's geometry. One large continuous slope and a roof broken into six small planes behave completely differently under the same rule.

Why we check the permit record before quoting

Establishing which side of 1 March 2009 your roof falls on means pulling the permit history from the city or county. Guessing is how a job fails its final inspection after the work is done. Note too that the exception is generally understood to require the earlier permit to have been properly closed out — another reason to look rather than assume.

The honest version

The 25% rule gets used as a sales lever — 'code requires a full replacement' — on roofs where the exception plainly applies. If a contractor cites it, ask which code edition your roof was permitted under. If they can't tell you, they haven't checked.

Need this doing rather than reading about? Roof Repair — Most leak repairs $450–$900.

Related questions

Does the 25% rule apply to tile roofs?

Yes, the same provisions apply. On tile the practical question is usually the underlayment: once you're lifting more than a quarter of a section, a full lift-and-relay often makes more sense anyway.

Can I repair 24% now and more next year?

The rule is written around a rolling twelve-month period specifically to limit that. It's also usually a false economy — and Citizens scores a partially replaced roof on the age of its oldest section, so you may not gain anything on the insurance side either.

Who enforces it?

The local building department, at permit and at final inspection. It is not something a contractor can waive, and it is not negotiable on site.

What we do

Free roof inspection. Written report. No obligation.

Mon–Fri 8am–5pm · Sat 8am–12pm · storm and active-leak calls answered after hours. Call Tampa Bay on (813) 920-9644 — or send your address and we'll come and look at it.

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