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Commercial roofs ยท North Miami Beach

Commercial roofing in North Miami Beach, FL

In North Miami Beach, 47 percent of homes sit in buildings with 10 or more units, according to the 2024 Census Bureau survey. That makes multi-unit roofs the main commercial roofing job here. Associations, landlords and property managers carry most of the decisions. The rules that apply, how roof permits work in the city, and how to compare bids on a low-slope roof follow.

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Updated October 2026

Formal garden with a brick pathway, green lawn, flower beds and palm trees under a cloudy 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: The yard by Casingrid, CC BY-SA 3.0, cropped

Buildings and age

What the local building stock means for a commercial roof

The city has 17,533 housing units, plus or minus 593 units, according to the 2024 survey. Most of the multi-unit buildings were built long before 2010. Only 11.4 percent of county units date from 2010 or later. That suggests many flat or low-slope roofs on these buildings are old and may be near the end of their service life.

The city's median home was built in 1967. Miami-Dade County's median is 1980. The city's median home is 13 years older than the county's. An older building is more likely to have a deck or drainage problem hidden under the membrane.

Permits and code

Permits, the High-Velocity Hurricane Zone and the 25 percent rule

Of the two counties that make up the High-Velocity Hurricane Zone, Miami-Dade is the one you'll find listed first. That zone carries the strongest roofing provisions in Florida. Any commercial roof here must meet those provisions, not only the general state code. Check the product approval for every membrane and fastener before work starts.

Under the 25 percent rule, no more than 25 percent of a roof can be repaired or replaced in any 12-month period unless the whole roof system is redone. A roof built to the 2007 code or later may be exempt for the repaired section only. Ask the building office how this applies to your roof before you plan a partial job.

Bids and drainage

Comparing bids on a low-slope commercial roof

Ask each bidder to state the minimum slope and how the roof will drain within 48 hours of rain. Ponding water is a common failure on older flat roofs. Ask whether the bid includes a structural review if ponding is possible, because the contractor must raise that concern before starting.

  • Product approval number for the membrane and each fastener
  • Confirmation that the roof deck and any wood sheathing will be checked
  • Slope and drainage plan, including overflow drains where the parapet traps water
  • Inspection schedule that matches the permit requirements
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Questions

Commercial roofing in North Miami Beach: questions

Do I need a permit to replace a commercial roof in North Miami Beach?

Yes. In Miami-Dade County, all roofing work requires a permit under the High-Velocity Hurricane Zone rules. Apply through the City of North Miami Beach Building Department. Confirm the current steps with the department.

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

Related: Commercial roofing

What is the minimum slope for a flat roof here?

For new low-slope roofs in the High-Velocity Hurricane Zone, the minimum deck slope is one-quarter unit in 12. Built-up roofs outside that rule use one-fourth unit in 12 as well. Many older roofs were built with less slope, so have a contractor measure drainage before bidding.

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

Related: Commercial roofing

How many multi-unit buildings are in North Miami Beach?

About 47 percent of the city's homes sit in buildings with 10 or more units, based on the 2024 American Community Survey. That share is high, so many roofs fall under association or landlord control. Check who owns the roof before you request bids.

Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API, read Oct 5, 2026

Related: Commercial roofing

Does a roof built under the 2007 code change the 25 percent rule in North Miami Beach?

It can. In Miami-Dade, 49.6 percent of units were built before 1980, but a building's age does not tell you when its roof was last replaced. If the existing roof was built or repaired to the 2007 code or later, only the repaired section must meet current code. A local government cannot change that exception by its own amendment. Confirm your roof's history with the building office.

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

Related: Commercial roofing

Nearby

Commercial roofing near North Miami Beach

Sources for this page(25)
  1. 1.Housing units (ACS 5-year): 17,533. 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 B25035, B25034, B25024, via Census Reporter API. Read Oct 5, 2026.
  3. 3.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  4. 4.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
  5. 5.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.
  6. 6.Permit office: City of North Miami Beach - Building Department. City of North Miami Beach - Building Department. Read Oct 10, 2026.
  7. 7.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
  8. 8.Share of homes in buildings with 10+ units: 47%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  9. 9.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).
  10. 10.2023 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").
  11. 11.2023 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").
  12. 12.2023 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).
  13. 13.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").
  14. 14.City of North Miami Beach - Building Department, citynmb.com. Read Oct 5, 2026.
  15. 15.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  16. 16.Florida Statutes, section 627.7011 (2026), Florida Legislature. Read Oct 4, 2026.
  17. 17.miamidade.gov, miamidade.gov. Read Oct 5, 2026.
  18. 18.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
  19. 19.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  20. 20.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the North Miami Beach 2020 Census internal point (25.9300, -80.1652), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  21. 21.Official website: City of North Miami Beach, Historic Floods, citynmb.com. Read Oct 5, 2026.
  22. 22.NOAA National Hurricane Center, Tropical Cyclone Climatology, NOAA National Hurricane Center. Read Oct 5, 2026.
  23. 23.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  24. 24.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019), NOAA National Hurricane Center. Read Oct 5, 2026.
  25. 25.Wikipedia, 'North Miami Beach, Florida' (revision 1378595964), Wikipedia. Read Oct 5, 2026.

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Commercial roofing in North Miami Beach

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