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Commercial roofs ยท Sewall's Point

Commercial roofing in Sewall's Point, FL

None of the homes in Sewall's Point sit in buildings with 10 or more units, so the commercial roofing jobs here are on small, low-slope structures rather than large multi-unit buildings. That changes what a property manager should expect from a bid. Most of the town is single-family homes, and the work that reaches a commercial scope is smaller in size but still sits under the same state code.

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Updated October 2026

Palm trees line a waterfront park with a picnic pavilion under an overcast sky.
A low-slope roof section with a granulated cap sheet in the foreground meeting a gray shingle slope, neighboring homes and a cloudy sky behind.Our work
Photo: Sewall's Point, - Idawriter by Idawriter, CC BY-SA 3.0, cropped

Local building stock

What commercial roofing in Sewall's Point usually involves

The Census count shows 1,014 housing units in town, with a margin of error of plus or minus 200. Single-family detached homes make up 99.5 percent of them. Commercial work here is therefore likely to be a small office, shop or marina building rather than an apartment block, and the roof area on each job will be modest.

Water covers 71.5 percent of the town's total area, and the peninsula sits between the St. Lucie River and the Indian River Lagoon. Roofs on buildings this close to open water see wind and salt air from several sides. A bid should say how the membrane edges and flashings are secured against wind uplift, not only what the field of the roof is made of.

Your home sits in Martin County, which falls outside the High Velocity Hurricane Zone; that zone is limited to Miami-Dade and Broward. That means the stricter HVHZ roofing chapter does not govern a Sewall's Point job. The general Florida Building Code still applies to low-slope design, so the bid should name the code edition it follows.

Drainage and slope

Low-slope systems and drainage on a Sewall's Point roof

New low-slope roofs must have a design slope of at least one-fourth unit in 12, or 2 percent, for built-up, modified bitumen, single-ply and liquid-applied systems. A bid that leaves slope out of its scope gives you no way to check whether water will leave the roof within 48 hours of rain.

  • Ask for the slope of the finished deck, not just the membrane type.
  • Ask how secondary overflow drains or scuppers are sized and placed.
  • Ask whether the existing deck will be checked for ponding before the new roof goes on.

Permits and bids

Who permits commercial roofing work in Sewall's Point

Roof permits for Sewall's Point are handled by the Town of Sewall's Point Building and Public Works office. Confirm the current permit process with that office before work starts, because fees and forms can change.

Florida law requires a roofing contractor to hold the roofing certification or registration, and a general contractor may not advertise as a roofing contractor without it. Ask any bidder for the state license number and check it yourself with the state, not just on the bid sheet.

Florida rules require a Notice of Commencement on larger projects, and the permit office asks for a copy before the first inspection. Include this step in your schedule so the inspection is not delayed.

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Questions

Commercial roofing in Sewall's Point: questions

Does Sewall's Point need the High Velocity Hurricane Zone roofing rules?

Martin County lies outside the High Velocity Hurricane Zone, since that zone is limited to Miami-Dade and Broward counties. The general Florida Building Code governs most commercial roofing here, and the permit office can confirm which code edition applies to your project.

Source: 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

Related: Commercial roofing

How much of a commercial roof can be repaired before it must be replaced?

Florida's 25 percent rule says no more than 25 percent of the total roof area can be repaired, replaced or recovered in any 12-month period unless the entire roof system is replaced or recovered. Ask the building office how this applies to your roof before you sign a bid.

Source: 2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), read Oct 5, 2026

Related: Commercial roofing

Why does drainage matter so much on a low-slope roof here?

Water covers 71.5 percent of Sewall's Point, and the code requires positive drainage within 48 hours of rain. A low-slope roof that holds water can fail early, so ask how the finished slope and overflow drains will be handled in the bid.

Source: U.S. Census Bureau, 2020 Census counts (POP100, HU100) via TIGERweb tigerWMS_Census2020 (AREALAND/AREAWATER), read Oct 5, 2026

Related: Commercial roofing

Who can I check to confirm a roofing contractor is qualified?

Ask for the state certification or registration number on the bid and verify it with the state. Florida requires a roofing contractor to hold that credential, and a general contractor may not advertise as a roofing contractor without it. Homeowners in towns like the peninsula community along the St. Lucie River, where salt air and storm exposure are common, should be especially careful about this check. Keep a copy of the number with your contract so you can confirm the contractor's status at any point during the job.

Source: Florida Statutes, section 489.113 (2026), read Oct 5, 2026

Related: Commercial roofing

Nearby

Commercial roofing near Sewall's Point

Sources for this page(28)
  1. 1.Housing units (ACS 5-year): 1,014. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25001, via Census Reporter API. Read Oct 5, 2026.
  2. 2.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  3. 3.Wikipedia, 'Sewall's Point, Florida' (revision 1377576908). Read Oct 5, 2026.
  4. 4.U.S. Census Bureau, 2020 Census counts (POP100, HU100) via TIGERweb tigerWMS_Census2020 (AREALAND/AREAWATER). Read Oct 5, 2026.
  5. 5.Hurricane Irma (2017). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017). Read Oct 5, 2026.
  6. 6.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.
  7. 7.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  8. 8.Permit office: Town of Sewall's Point - Building & Public Works. Town of Sewall's Point - Building & Public Works. Read Oct 10, 2026.
  9. 9.Share of homes in buildings with 10+ units: 0%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  10. 10.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).
  11. 11.FRSA, "New 2023 FBC Eighth Edition is Now in Effect", 2024-02-13. Read Oct 5, 2026.
  12. 12.FBC-B 2023 Ch. 15. 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-14 (the research cites it "as C-14").
  13. 13.2023 Florida Building Code, Building, 8th ed., Chapter 15 (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-14 (the research cites it "as C-14").
  14. 14.2023 Florida Building Code, Plumbing, 8th ed., Chapter 11 (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.Fla. Stat. 489.105(3)(e). Read Oct 5, 2026.
  16. 16.Florida Statutes, section 489.113 (2026). Read Oct 5, 2026.
  17. 17.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  18. 18.Town of Sewall's Point - Building & Public Works, Town of Sewall's Point. Read Oct 5, 2026.
  19. 19.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  20. 20.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, B25034, B25024, via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  21. 21.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019), NOAA National Hurricane Center. Read Oct 5, 2026.
  22. 22.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  23. 23.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  24. 24.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  25. 25.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  26. 26.NOAA National Hurricane Center, Tropical Cyclone Climatology, NOAA National Hurricane Center. Read Oct 5, 2026.
  27. 27.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Sewall's Point 2020 Census internal point (27.1970, -80.1989), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  28. 28.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.

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Commercial roofing in Sewall's Point

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