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New construction roofing in South Bay, FL

Only 4.6 percent of homes in South Bay were built in 2010 or later, according to the Census Bureau's 2024 five-year estimates. As a result, the bulk of roof jobs in this area involve older houses rather than newly built ones. If you are building new, the rules that matter are the code edition on your permit and how the roof is sequenced with the framing and dry-in inspections.

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Updated October 2026

Two-story white city hall with peach trim and palm trees under a blue sky.
A roof deck sheathed in red-brown ZIP System panels with black seam tape, a bucket and a ladder on the deck, homes and a street behind.Our work
Photo: South Bay FL city hall01 by Ebyabe, CC BY-SA 3.0, cropped

Code edition

Which edition of the code will govern the permit for your new roof

The code version that governs a South Bay roof depends on the day your permit is filed, not the day the crew arrives. Filings made before the end of 2026 fall under the current edition. Any application filed on or after December 31, 2026 has to satisfy the Ninth Edition requirements. Pick the filing date with that cutoff in mind.

South Bay sits in Palm Beach County, an area that is not part of the High-Velocity Hurricane Zone. Only Broward and Miami-Dade counties are included in that zone. So the HVHZ low-slope and product rules do not govern a standard South Bay roof, though you should still confirm with the building office.

Deck and dry-in

Deck, underlayment and dry-in requirements for a South Bay build

Roof sheathing has to be fastened with specified ring shank nails, and the sheathing and fasteners must be complete before the roof sheathing inspection. The code lets the sheathing inspection be part of a dry-in inspection or done separately at the contractor's request.

  • A full-deck layer of self-adhering polymer-modified bitumen underlayment, or
  • A 3 3/4-inch tape or membrane strip over every deck joint, then an approved underlayment, or
  • Two layers of approved felt-type underlayment fastened with cap nails

Shingle roofs need drip edge at eaves and gables, fastened no more than 12 inches on center. The spacing tightens to 4 inches where design wind speed is 110 mph or more or the mean roof height exceeds 33 feet. Your builder should confirm which spacing applies to your plan.

Inspection order

Scheduling the roof with framing and inspections

The code sets the inspection order: foundation, framing, sheathing, exterior wall coverings and soffit, roofing, then final. Framing inspection comes after the roof, all framing, fireblocking and bracing are in place. Roof work can only be inspected after the earlier steps pass.

Permits also run on clocks. Once issued, a permit lapses if work has not begun within 6 months or if work sits idle for 6 months. Confirm your start dates with South Bay Planning and Building before you schedule the roof crew.

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Questions

New construction roofing in South Bay: questions

What share of homes in South Bay are new construction?

Only 4.6 percent of homes in South Bay were built in 2010 or later, according to the Census Bureau's 2024 five-year estimates. The median home was built in 1974. Most roofing work in town is therefore on older homes. For a new build, your permit filing date decides which code edition applies.

Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API, read Oct 5, 2026

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Does a new roof in South Bay need a product approval number?

Yes, a new roof in South Bay generally needs a product approval number under Florida law, since roofing falls within the categories that require statewide product approval. The Florida Building Commission approval search lets you look up a product by FL number or manufacturer. Many homes here were built around 1974, so older roofs are often being replaced, and the same approval rules apply. Ask your roofer to show the approval number before installation. Confirm the requirements for your specific permit with the building office.

Source: Florida Statutes, section 553.842 (2026), read Oct 5, 2026

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Do gutters and downspouts have to be on a new South Bay home?

The state residential code calls for gutters with downspouts wherever eaves extend less than 6 inches, apart from gable end rakes or spots where one roof sits above another. Each downspout should empty at least 1 foot away from the sidewall. Many homes in South Bay were built in the 1970s, when the median build year for local housing was 1974, so older roofs often need gutters added or upgraded during a re-roof. Your plan review will show whether this applies to your design.

Source: 2023 Florida Building Code, Residential, 8th ed., Chapter 3 (UpCodes viewer, unofficial transcription), read Oct 5, 2026

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Does the builder have to cover roof defects in South Bay?

Florida law requires a builder to warrant a newly constructed home for 1 year against defects in equipment, material or workmanship that cause a material violation of the Florida Building Code. The coverage began for homes on or after July 1, 2025. Coverage leaves out ordinary wear and tear, settling, defects the owner caused and natural disasters. Check your contract and your builder's written terms.

Source: Florida Statutes, section 553.837 (2026), read Oct 5, 2026

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Nearby

New construction roofing near South Bay

Sources for this page(33)
  1. 1.Florida Building Commission, 'Setting New Standards for Safety: The Florida Building Code' (2004 publication; wind-speed figures in it are outdated and not used). Read Oct 5, 2026.
  2. 2.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  3. 3.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
  4. 4.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  5. 5.Hurricane Matthew (2016). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016). Read Oct 5, 2026.
  6. 6.Permit office: City of South Bay - Planning and Building. City of South Bay - Planning and Building. Read Oct 10, 2026.
  7. 7.Share of homes built 2010 or later: 4.6%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
  8. 8.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, B25034, B25024, via Census Reporter API. Read Oct 5, 2026.
  9. 9.Median year homes were built: 1974. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  10. 10.U.S. Census Bureau, Building Permits Survey county annual files (co2025a.txt, co2020a.txt). Read Oct 5, 2026.
  11. 11.FRSA, "New 2023 FBC Eighth Edition is Now in Effect", 2024-02-13. Read Oct 5, 2026.
  12. 12.Miami-Dade County RER notice. Read Oct 5, 2026.
  13. 13.FBC-Building 2023 Chapter 2 definitions. Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7).
  14. 14.2023 Florida Building Code, Residential, 8th ed., Chapter 8 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7).
  15. 15.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7). Source URL inherited from C-3 (the research cites it "as C-3").
  16. 16.2023 Florida Building Code, Residential, 8th ed., Chapter 9 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7). Source URL inherited from COM-29 (the research cites it "as COM-29").
  17. 17.Florida Statutes, section 489.113 (2026). Read Oct 5, 2026.
  18. 18.Florida Statutes, section 553.842 (2026). Read Oct 5, 2026.
  19. 19.Florida Building Commission. Read Oct 5, 2026.
  20. 20.2023 Florida Building Code, Residential, 8th ed., Chapter 3 (UpCodes viewer, unofficial transcription). Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7).
  21. 21.2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7. Read Oct 5, 2026. FBC text read from UpCodes (unofficial transcription): check floridabuilding.org or the ICC viewer before quoting (spec 8.7).
  22. 22.Florida Statutes, section 553.837 (2026). Read Oct 5, 2026.
  23. 23.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016), NOAA National Hurricane Center. Read Oct 5, 2026.
  24. 24.City of South Bay - Planning and Building, southbaycity.com. Read Oct 5, 2026.
  25. 25.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019), NOAA National Hurricane Center. Read Oct 5, 2026.
  26. 26.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  27. 27.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  28. 28.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  29. 29.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  30. 30.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  31. 31.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the South Bay 2020 Census internal point (26.6884, -80.7355), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  32. 32.Wikipedia, 'South Bay, Florida' (revision 1377594144), Wikipedia. Read Oct 5, 2026.
  33. 33.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the South Bay 2020 Census internal point (26.6884, -80.7355), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.

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New construction roofing in South Bay

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