If your roof was built, repaired or replaced under the 2007 Florida Building Code or a later edition, repairing 25% or more of it generally no longer forces you to replace the whole roof. Only the portion being worked on has to meet current code. Older roofs can still be caught by the original 25% rule, so your roof’s permit history matters.
This guide explains the rule in plain English for Tampa Bay homeowners. It is educational only and not legal or insurance advice. Your insurer, your local building department and a licensed professional have the final say on your situation.
What is the Florida 25% roof rule?
The rule lives in the Florida Building Code, Existing Building, Section 706.1.1. It limits how much of a roof can be worked on before the whole thing has to be brought up to current code. In the edition that governed through 2023, it read:
Not more than 25 percent of the total roof area or roof section of any existing building or structure shall be repaired, replaced or recovered in any 12-month period unless the entire existing roofing system or roof section is replaced to conform to requirements of this code.
Three details in that sentence do most of the work:
- Any 12-month period. The clock is rolling, not calendar-year. Two separate repairs within a year can be added together.
- Roof area or roof section. The threshold can be measured against a single section, not only the whole roof, which makes it easier to cross than most homeowners expect.
- Repaired, replaced or recovered. Recovering a roof, meaning a new covering installed over the old one, counts too.
What counts as a “roof section”?
The code defines it, and the definition is more specific than “one side of the roof.” A roof section is an area divided off by existing expansion joints, parapet walls, flashing other than valley flashing, a difference of elevation other than hips and ridges, roof type, or legal description. Notably, it excludes “the roof area required for a proper tie-off with an existing system.”
That exclusion matters in practice. In 2021 the Florida Building Commission issued a declaratory statement, DS 2021-007, on exactly this point. Its conclusion: removing and reinstalling undamaged components purely to connect a repaired area to an unrepaired one is tie-off work, not part of the repair, and does not count toward the 25% threshold. A 5% damaged area does not become a 30% repair because the crew had to lift good shingles above it.
What changed in 2022 (SB 4-D)?
Senate Bill 4-D became law on 26 May 2022 as Chapter 2022-269, and took effect the same day. Among other things, it added an exception to the 25% rule. The exception now sits in Florida Statutes section 553.844(5) and reads:
Notwithstanding any provision in the Florida Building Code to the contrary, if an existing roofing system or roof section was built, repaired, or replaced in compliance with the requirements of the 2007 Florida Building Code, or any subsequent editions of the Florida Building Code, and 25 percent or more of such roofing system or roof section is being repaired, replaced, or recovered, only the repaired, replaced, or recovered portion is required to be constructed in accordance with the Florida Building Code in effect, as applicable.
The same subsection directs the Florida Building Commission to write the exception into the code itself, which it has done. It also closes the door on local workarounds: “a local government may not adopt by ordinance an administrative or technical amendment to this exception.”
Does the exception apply to your roof?
It turns on one question: was the roof built, repaired or replaced in compliance with the 2007 code or a later edition? Three common situations:
- Roof installed or replaced under the 2007 code or later. The exception should apply, so work over 25% does not by itself trigger full replacement.
- Roof older than the 2007 code. The original 25% rule can still apply, and substantial work may require bringing the whole roof section up to current code.
- Roof of uncertain age. This is the common case, and the one where permit records decide the answer.
Why “2007” does not mean 2007
The 2007 Florida Building Code did not take effect until 1 March 2009. The Commission had originally set 1 October 2008, then postponed it so the code would start alongside the 2008 Energy Code and line up with the Florida Fire Prevention Code. A roof permitted in 2008 was very likely built under the earlier edition, so a roof that sounds new enough may not qualify.
The statute’s test is compliance with the 2007 code, not a date on a calendar, so the permit record is the evidence that matters. In Tampa Bay that means the building department for your jurisdiction: Hillsborough, Pinellas or Pasco County, or your city if you are inside one. Pull the permit history for your address before you assume either way.
Which code edition applies today?
The 8th Edition (2023) Florida Building Code took effect 31 December 2023 and is the current version. Its revision of Section 706.1.1 tightened one thing: according to the Commission’s own analysis of changes, when the 25% rule is triggered it now applies to a roof replacement and roof recover, where the older wording spoke only of replacement.
The 9th Edition (2026) becomes effective 31 December 2026. Permit timing is what decides which edition governs a job, and jurisdictions state their own cutoff; Miami-Dade, for example, has published that applications submitted on or after that date must comply with the new edition. Ask your building department which edition it will apply to your permit.
Why a rule of thumb is not a plan
The exception removes one reason a repair might become a replacement. It does not make a repair the right call. A roof can qualify for a partial repair under code and still be worn out, leaking in several places, or close to the end of its service life.
The 25% question is one input among several. Our guide on roof repair vs. replacement covers condition, age, material and damage extent. Layered on top of that, the code question runs in this order:
- Is a repair physically sensible? Matching materials, tying into older sections and remaining service life all matter.
- Does the work cross 25% of a roof area or roof section in a 12-month window? If so, ask whether the 553.844(5) exception applies.
- What will the building department require? The permit office decides what it will approve for your address.
If you are weighing a partial job, it also helps to know the signs that asphalt shingle roof replacement is the better long-term move.
What this means for storm claims
The rule comes up most often after a storm, when an adjuster and a roofer disagree about how much of the roof is actually damaged. Writing in Florida Roofing magazine, the Florida Roofing and Sheet Metal Contractors Association has raised a practical concern about the exception: it can push partial work where new material is tied into an aging roof covering.
Nothing in the statute or the code decides your insurance claim. Whether your policy covers a full replacement, and on what terms, depends on your policy language and the facts of your loss. We cannot predict that outcome. For background, see what homeowners should know about roof insurance claims in Florida, keep your own record of photos, permits and estimates, and take coverage questions to your insurer and, if needed, a licensed attorney or public adjuster.
Questions to ask before you decide
- When was my roof permitted and installed, and under which code edition?
- Can I get the permit records from my county or city building department?
- Does the work exceed 25% of a roof area or roof section in a 12-month period, and how is that section being measured?
- Is any of the proposed work tie-off work on undamaged material, which should not count toward the threshold?
- If I repair only part of the roof, how will the new work tie into the old?
It pays to compare more than one written scope. Our checklist for evaluating roofing company proposals helps you spot gaps, and what happens in a roof inspection shows what a thorough assessment covers.
Frequently asked questions
Does the 25% rule still exist in Florida?
Yes. Section 706.1.1 still caps work at 25% of a roof area or roof section in any 12-month period. What changed is that roofs built, repaired or replaced under the 2007 code or later now fall under the section 553.844(5) exception.
Is my roof automatically exempt if it is newer than 2009?
Not automatically. The test is compliance with the 2007 code or a later edition, not the year alone. Permit records are the best evidence, and the 2007 code only took effect on 1 March 2009.
Can my city or county set a stricter version of this rule?
Not of this exception. The statute states that a local government may not adopt by ordinance an administrative or technical amendment to it. Local departments do still administer permitting and inspections, so confirm procedures with yours.
Does tie-in work count toward the 25%?
Per the Florida Building Commission’s declaratory statement DS 2021-007, removing and reinstalling undamaged components solely to tie a repaired area into an unrepaired one is not counted toward the threshold.
Does a repair under 25% still need a permit?
Staying under the threshold avoids the 25% trigger; it does not answer the permit question. Permit requirements and the limited exemptions are set by the Florida Building Code and administered locally, so ask your building department about your specific job before work starts.
Does this rule apply to tile and metal roofs too?
Section 706.1.1 is written in terms of roofing systems and roof sections rather than a particular covering, and section 553.844(5) uses the same language. How it applies to your roof assembly is a question for your building department and your roofer.
Next step
If you are not sure how much of your roof is affected, or how old it really is, start with a clear assessment. You can request a free roof inspection and ask about your repair and replacement options, then take the code and permit questions above to your building department and your insurer.
Sources
- Florida Statutes s. 553.844(5), The Florida Senate
- SB 4-D (2022D), Building Safety, The Florida Senate
- Declaratory Statement DS 2021-007, staff analysis, Florida Building Commission
- Analysis of Changes, 8th Edition (2023) FBC – Existing Building, Florida Building Commission
- 2007 Florida Building Code effective date, Florida Building Commission
- New 2023 FBC Eighth Edition is Now in Effect, Florida Roofing and Sheet Metal Contractors Association
