It's November. You've picked a roofer, the estimate looks fair, and then you hear: "We have to pull the permit before New Year's, or the new code kicks in." That puts you on a deadline. Before you sign anything or hand over a deposit, it helps to know what the Florida Building Code 2026 roof changes really mean for a typical reroof, and when hurrying helps and when it doesn't.
The short version: the date matters, but it's the date a complete permit application is filed. For most homeowner reroofs, the code changes look more like a reshuffle than a price hike. The bigger risk is a sloppy or late filing.
When does the Florida Building Code 2026 edition take effect?
The 9th Edition (2026) of the Florida Building Code is set to take effect December 31, 2026. Miami-Dade County's Permitting and Inspection Center says: "The Florida Building Code Ninth (2026) Edition becomes effective on December 31, 2026." According to the county, permit applications and plans submitted on or after that date must comply with the new edition.
FRSA, Florida's roofing trade association, says the same about the roofing flashing changes in Chapter 15: "these changes will not go into effect until December 31, 2026" (FRSA).
What decides which code edition applies to my roof permit?
The date your complete permit application is submitted decides it. Your contract date, design date and start date don't. Permit expediter Milrose puts it this way: "What determines which code a project falls under isn't the design date or the construction date. It's the date the permit application is submitted for review." Milrose says an application submitted before December 31, 2026 "generally proceeds under the current 8th Edition."
The word "complete" carries a lot of weight here. Southwest Florida engineering firm Michael D. Stewart, P.E. warns: "Only a complete application counts." The firm adds: "An application the building department sends back as incomplete does not lock in the older code." It says the 8th Edition applies to complete applications received by December 30, 2026.
Once a permit is issued under the old code, it generally stays there. Tew & Taylor notes: "Projects permitted under the 8th Edition generally stay under the 8th Edition for the life of that permit."
Does Miami-Dade have an earlier deadline?
Yes, for online filings. The county's building homepage says: "Any application submitted via the online portal after 4 PM on December 30th, 2026, will be subject to the 2026 edition."
So in Miami-Dade, the real online deadline is the afternoon of December 30, not midnight on New Year's Eve. If your roofer plans to file any other way, or you have questions about your own filing, call the county's Permit Section at 786-315-2100. Elsewhere in Florida, ask your local building department directly how it handles the changeover.
Also keep the calendar in mind. The last two weeks of December are holiday weeks for building departments, roofing offices and the people who prepare permit documents. A roofer who says "we'll file the week of Christmas" is leaving very little room to fix a problem.
Is the 9th Edition final?
Not when we checked. The state's official listing for Rule 61G20-1.001 shows a proposed-rule notice dated September 23, 2026, and no final adoption notice for the 9th Edition as of early November 2026.
The proposed-rule notice says its purpose is "To adopt the Florida Building Code, 9th Edition (2026), to address the statutorily-mandated triennial update." It says the Florida Building Commission approved the edition for adoption, including modifications that got at least a 75% supermajority vote. Public comment ran from September 23 to October 14, 2026.
What that means for you: the details of the roofing changes below come from trade and engineering summaries of the pending code, not from a final, adopted text. Treat them as a strong preview, not the last word.
What changes for a reroof under the new code?
For a typical homeowner reroof, the pending changes look mostly like a reorganization. FRSA technical director Mike Silvers, CPRC, summarized them in FRSA's 2026 update:
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The base rule stays. Existing Building Section 706.3 still says "New roof coverings shall not be installed without first removing all existing layers of roof coverings."
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A new exception. New Exception 3 covers "leaving an existing or repaired substrate that is adequate for installation of a new approved roof covering or roof system." In plain terms, if the surface under your roof covering is in good shape (or has been repaired), it may be allowed to stay.
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Some roofs still have to come off. A tear-off is still required where the existing covering is "wood shake, slate, clay, cement or asbestos-cement tile."
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HVHZ rules stay put. Buildings in the High-Velocity Hurricane Zone, which covers Miami-Dade and Broward, "shall comply with the provisions of Sections 1512 through 1525."
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Shingle coatings move. The rules for coating asphalt shingles move to new Sections 1507.2.10 and R905.2.9, because coating is neither a recover nor a replacement.
The Michael D. Stewart, P.E. summary points to two installation details. "Nearly every roof covering, not only shingles, now needs a drip edge," and "Roof flashing must follow the code and the manufacturer's installation instructions." The firm notes that some of its items come from training summaries rather than the full code text.
Does the 25% roof rule still apply under the new code?
Yes. For roofs built, repaired or replaced under the 2007 Florida Building Code or later, the exception is set by state law, so a new code edition doesn't remove it. Under Florida Statutes 553.844(5), if 25% or more of such a roof is repaired, replaced or recovered, "only the repaired, replaced, or recovered portion is required to be constructed in accordance with the Florida Building Code." Local governments can't change that exception by ordinance.
Both Tew & Taylor and the Stewart firm report the exception is unchanged. The firm puts it simply: "State law keeps its exception for newer roofs." If your roof qualifies, a partial repair still only has to bring the repaired section up to code. Your roofer should be able to show you, from permit records, whether your roof qualifies.
Does pulling a permit before December 31 save money?
We found no verified data showing a 9th Edition reroof costs more, or less, than one permitted under the 8th Edition. Be skeptical of anyone who gives you a dollar figure tied to the code change, in either direction.
Here's a practical way to decide:
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Filing early makes sense if your job is already scoped, the roofer has what they need, and they can file a complete application before your local cutoff (4 PM on December 30 for Miami-Dade's online portal). That locks in the code you designed for and removes one variable.
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Rushing a messy filing gains nothing. An application sent back as incomplete doesn't lock in the old code, so a half-ready filing on December 29 can still end up under the 9th Edition.
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Signing early to beat the deadline is a bad trade if you haven't compared bids or checked the roofer out. The code change isn't a good reason to skip the steps you'd normally take.
What can go wrong with a rushed roof permit?
The real risks are about timing, not code text. Alliance Permitting summarizes the rules that catch people:
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Abandoned applications. An application is "deemed abandoned 180 days after the date of filing" unless it's pursued in good faith or a permit has been issued.
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Permits that lapse. "A permit becomes invalid unless the authorized work commences within 6 months of issuance."
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Limited back-and-forth. A local government "may not request additional information from the applicant more than three times" unless the applicant waives that limit in writing.
Alliance also warns that a lapsed permit "costs you the code edition attached to it." Picture a permit pulled in December for a job that keeps sliding: the roofer's schedule fills up, storm season brings emergency calls, and work doesn't start by early summer. That permit can lapse, and the new filing would fall under the new code. Filing early only helps if the work actually happens on time.
What should you ask your roofer before signing in November?
Take these questions to every bid meeting, and get the answers in writing:
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Which code edition will this permit be under? A good roofer will answer clearly, without hedging.
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On what date will you submit a complete application, and how? Online or in person, and what you still need from me to make it complete.
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Who pays if it misses the cutoff? If the filing slips into the 9th Edition and the job needs redesign or extra materials, the contract should say who covers that.
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When will work start? Make sure the start date fits well inside the 6-month window after the permit is issued.
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Does my roof qualify for the 2007-code exception? Ask them to base the answer on the permit records for your roof, not a guess.
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Is your license active? Check it yourself in the Florida DBPR license search. You can search by name, license number, city or county, or license type.
Red flags: a roofer who uses the deadline to push for a large deposit, won't say which edition applies, or can't tell you when the application will be filed.
The bottom line
If your reroof is already scoped and you trust the roofer, call now and ask them to file a complete application well before the cutoff. That's a reasonable, low-risk move. But the code change on December 31 isn't a reason to sign with a roofer you haven't vetted, skip a second bid, or pay a deposit you wouldn't otherwise pay. A well-run job under either edition beats a rushed one under the "right" one.
Related reading
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What Separates a Budget Garage Door Opener From a Premium One
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Bent Shingles and Vanished Deposits: October's Roofing Scams
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How to Get Your Roof Ready Before El Niño Storms Hit California
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What Should an Emergency Roof Tarp Cost After Hurricane Isaias?
Sources
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Miami-Dade County Building (Permitting and Inspection Center) homepage
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flrules.org: Rule 61G20-1.001 Florida Building Code Adopted (notice history)
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flrules.org: Notice 31378159, 61G20-1.001 (Proposed rule, 9th Edition 2026)
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FRSA: Changes in the 2026 9th Edition of the Florida Building Code (Mike Silvers, CPRC)
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FRSA: Additional Changes in the 2026 Ninth Edition of the Florida Building Code
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Milrose: Florida's Building Code Is Changing. Here's What to Submit Before It Does.
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Michael D. Stewart, P.E.: FBC 9th Edition (2026): What Southwest Florida Should Know
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Tew & Taylor: The 9th Edition Florida Building Code Takes Effect December 31, 2026
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Alliance Permitting: 8th Edition Florida Building Code: A Contractor's Guide
This article contains AI-assisted content and has been reviewed by our editorial team.
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