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Gutters · Coral Gables

Gutters in Coral Gables, FL

In a 10-year storm, rain in Coral Gables can fall at 11 inches an hour for five minutes. That burst is far heavier than most gutters are built to carry. Your gutters and downspouts have to move that water away from the building fast, and the sizing rules are where that starts.

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Updated October 2026

Tall stone column monument over a circular fountain, ringed by red flowers and palm trees under a cloudy sky.
Drone view of a single-story home with a brown-gray shingle roof and box vents under large oak trees, a metal carport roof in the corner and a street behind.Our work
Photo: DeSoto Fountain in Coral Gables by Averette, CC BY 3.0, cropped

Local rainfall

How hard the rain falls and what it means for your gutters

Coral Gables gets short, hard bursts. The local 10-year rate for one hour of rain is 3.36 inches, and a 100-year one-hour storm reaches 5.18 inches. Over a full day, a 10-year storm drops about 8.26 inches. Gutters sized for gentle rain will overflow long before the storm ends.

Close three-quarter view of a new white seamless K-style aluminum gutter along the eave of a single-story stucco ranch home with a dark shingle roof, live oaks and cumulus sky behind (illustration)Illustration

Illustration: seamless k style white

Rain in Miami-Dade County is also seasonal. At Miami International Airport, 76.6 percent of the normal annual rain falls from May to October, and June is the wettest month at 10.51 inches. Clear your gutters before June, not after the first big storm.

Florida's plumbing code sizes gutters from the flow off the roof, not from a guess. Here, the sizing tables give a 6-inch half-round gutter at 1/8 inch per foot slope a capacity of 110 gallons per minute, against 74 for a 5-inch one. That makes the larger gutter about 49 percent more capable, which matters on the big roofs common in the city's older Mediterranean-style homes.

Code rules

Downspout discharge and where the water should go

Florida code requires gutters with downspouts on most houses whose eaves project less than 6 inches. Each downspout must discharge at least 1 foot away from the building wall. On a Coral Gables lot, that water should not run toward a neighbor's yard or pool along a side setback.

  • Route water through buried pipe, a tail extension or a splash block that keeps it one foot or more from the wall.
  • Check that downspouts are sized for the roof area they serve, using the code's leader capacities.
  • Fasten gutters and downspouts with corrosion-resistant fasteners compatible with the metal.

Trees and debris

Leaves, pollen and cleaning frequency

Live oaks drop leaves and fruit that clog gutters, and Florida's pollen season runs January to June with peaks in March and April. Insurers advise cleaning gutters at least twice a year, and more often under heavy tree cover or during frequent storms. Under a heavy canopy, cleaning after the spring leaf drop and again before June is a sensible rhythm.

Rain on your roof

Preset: 8.26 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Coral Gables).

10,292 gallons run off that roof, all of it toward the gutters and downspouts.

Math: square feet × inches × 0.623 gallons.

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Questions

Gutters in Coral Gables: questions

How much rain can gutters in Coral Gables handle?

Plan for bursts, not averages. In a 10-year storm, the five-minute rate here is 11 inches an hour, and a 100-year five-minute rate is 15.8 inches an hour. Gutters sized from the plumbing code's flow table handle that flow only when the roof area and slope match the gutter size. Ask your installer which design storm the sizing used.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Coral Gables 2020 Census internal point (25.6737, -80.2630), read Oct 5, 2026

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Where should downspouts drain on a Coral Gables lot?

Code requires each downspout to discharge at least one foot from the sidewall, and Coral Gables homes often sit on narrow side setbacks where that matters. Buried pipe or a tail extension keeps water off the neighbor's side. Confirm the layout with the City of Coral Gables building office before work starts.

Source: 2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7, read Oct 5, 2026

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How often should gutters be cleaned near oak trees?

In Coral Gables, where the county's pollen season runs January to June, cleaning in late spring and again before the June storm season keeps gutters clear. Under a heavy oak canopy, schedule extra cleanings after leaf drop. Insurer guidance recommends spring and fall cleaning at minimum, with extra cleaning when storms are frequent.

Source: thig.com, read Oct 5, 2026

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Do gutters on a new Coral Gables home have to meet a code rule?

Yes. Florida's residential code requires gutters with downspouts on buildings whose eaves project less than 6 inches, with downspouts discharging at least 1 foot from the sidewall. In a city where 61.1 percent of housing units were built before 1980, most gutter work will be replacement, so check the permit set for these details before framing begins.

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

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Nearby

Gutters near Coral Gables

Sources for this page(31)
  1. 1.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). 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.Wikipedia, 'Coral Gables, Florida' (revision 1378094607). Read Oct 5, 2026.
  5. 5.Single-family detached share of housing units: 49.7%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  6. 6.Permit office: City of Coral Gables - Development Services - Apply and Search for Permits. City of Coral Gables - Development Services - Apply and Search for Permits. Read Oct 10, 2026.
  7. 7.2023 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). Source URL inherited from COM-20 (the research cites it "as COM-20").
  8. 8.bergerbp.com. Read Oct 5, 2026.
  9. 9.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). Read Oct 5, 2026.
  10. 10.2023 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).
  11. 11.2023 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). Source URL inherited from NC-2 (the research cites it "as NC-2").
  12. 12.2023 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").
  13. 13.ask.ifas.ufl.edu. Read Oct 5, 2026.
  14. 14.blogs.ifas.ufl.edu. Read Oct 5, 2026.
  15. 15.thig.com. Read Oct 5, 2026.
  16. 16.2023 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).
  17. 17.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Coral Gables 2020 Census internal point (25.6737, -80.2630), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  18. 18.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Coral Gables 2020 Census internal point (25.6737, -80.2630), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  19. 19.City of Coral Gables - Development Services - Apply and Search for Permits, coralgables.com. 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.Florida Statutes, section 627.7011 (2026), Florida Legislature. Read Oct 4, 2026.
  22. 22.Florida Building Commission, 'Setting New Standards for Safety: The Florida Building Code' (2004 publication; wind-speed figures in it are outdated and not used), Florida Building Commission. Read Oct 5, 2026.
  23. 23.miamidade.gov, miamidade.gov. Read Oct 5, 2026.
  24. 24.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  25. 25.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  26. 26.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  27. 27.NOAA National Hurricane Center, Tropical Cyclone Climatology, NOAA National Hurricane Center. Read Oct 5, 2026.
  28. 28.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  29. 29.U.S. Census Bureau, 2020 Census counts (POP100, HU100) via TIGERweb tigerWMS_Census2020 layer 26 (Incorporated Places), U.S. Census Bureau. Read Oct 5, 2026.
  30. 30.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  31. 31.NOAA Atlas 14 at Coral Gables: 11 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Coral Gables

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