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Gutters · Doral

Gutters in Doral, FL

In a 10-year storm, Doral gets rain at 10.9 inches an hour over five minutes, and 15.5 in a 100-year storm. A gutter that handles an ordinary shower can overflow in that burst. Size the gutter and downspouts for the burst, then check where the water lands.

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Updated October 2026

Green metal bench on grass overlooking a calm lake with palm trees and a cloudy blue 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: Doral Central Park by Tamanoeconomico, CC BY-SA 4.0, cropped

Sizing for rain

How Doral rainfall sets gutter and downspout size

Florida's plumbing code says horizontal gutters must be sized to the flow from the roof surface. Table 1106.6 lists a 5-inch half-round at 74 gallons a minute and a 6-inch at 110, both at 1/8 inch of slope per foot. By our arithmetic, that is about 49 percent more capacity for the 6-inch.

Wide view of a two-story stucco home with a charcoal shingle hip roof and a complete white gutter and downspout system, screened lanai, palms and a live oak (illustration)Illustration

Illustration: two story system

The design rain matters as much as the gutter. Older sizing tables rest on records through 1978 and list Miami at 7.7 inches an hour for the five-minute, 10-year burst. Doral's current figure is 10.9. If a gutter was sized from the old number, it may be undersized for the rain you actually get.

Downspouts set a second limit. Under Table 1106.3, a 4-inch round leader moves 192 gallons a minute, while a 2 by 2 inch one moves only 30. Code also tells you to add half the area of any tall wall that sheds rain onto the roof, which matters on two-story fronts.

Discharge rules

Doral downspout rules and where the water goes

The Florida Building Code requires gutters with downspouts on buildings whose eaves project less than 6 inches. Gable end rakes and roofs above another roof are excepted. Many of Doral's newer homes, built around a 2006 median, were likely built under this rule, and its newer-construction share is 39.5 percent against 11.4 percent countywide.

Where a downspout empties matters on a flat Doral lot. Code allows buried piping, tail extensions or splash blocks, so long as the water lands a foot or more from the sidewall. The rule sits in a termite-protection section, so it protects the slab as well as the wall. Only 22.2 percent of Doral's housing is single-family detached, so many roofs and downspouts belong to an association or a building manager.

Upkeep

Leaves, cleaning and what to ask your roofer

Miami Airport records show 76.6 percent of normal annual rain falling May through October, so clogs matter most before June. A Florida home insurer puts the minimum at two cleanings a year, with more under nearby trees or in frequent storms. Check after spring pollen and again after autumn needle and leaf fall.

Hangers matter in a hurricane zone. One hidden-hanger maker suggests 16-inch spacing in storm-prone areas instead of the standard 24 inches. Ask your roofer what spacing and fasteners they plan to use, and whether the building office needs a permit for the work. The City of Doral Building Department issues roof permits.

Rain on your roof

Preset: 8.47 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Doral).

10,554 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 Doral: questions

How big should gutters be in Doral?

Larger than the common 5-inch size if your roof is big. Doral's 10-year, five-minute rain falls at 10.9 inches an hour. Florida's plumbing table gives 74 gallons a minute for a 5-inch half-round gutter and 110 for a 6-inch, both at 1/8 inch of slope per foot. Add half the area of any wall that drains onto the roof. A roofer should show you the roof area and the gutter size they chose.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Doral 2020 Census internal point (25.8148, -80.3574), read Oct 5, 2026

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How far from my house must a downspout drain?

At least 1 foot from the sidewall. Florida Building Code R318.5 allows underground piping, tail extensions or splash blocks to do this. Water that lands at the wall can reach the foundation and invite termites, which is why the rule sits in a termite-protection section. Confirm the details for your lot with the City of Doral Building Department.

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

Related: Gutters

Are gutters required on Doral houses?

On buildings with eaves projecting less than 6 inches, yes. The code excepts gable end rakes and roofs above another roof. With a median build year of 2006 in Doral, many homes likely went up under this rule. If your eaves are wider, gutters are not required, though they may still help move water away from the wall.

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

Related: Gutters

How often should I clean gutters in Doral?

Twice a year at minimum, before the wet season and after it. Miami records show 76.6 percent of annual rain between May and October, so a clean gutter in May matters. Clean more often under heavy tree cover. Never climb onto a roof or ladder when thunder can be heard, per NWS Miami guidance.

Source: NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), read Oct 5, 2026

Related: Gutters

Nearby

Gutters near Doral

Sources for this page(33)
  1. 1.Median year homes were built: 2006. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  2. 2.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
  3. 3.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
  4. 4.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  5. 5.Single-family detached share of housing units: 22.2%. 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.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
  7. 7.Permit office: City of Doral - Building Department. City of Doral - Building Department. Read Oct 10, 2026.
  8. 8.NOAA National Hurricane Center, Tropical Cyclone Climatology. Read Oct 5, 2026.
  9. 9.Official website: City of Doral, Building Department. Read Oct 5, 2026.
  10. 10.NWS Miami, Weather Safety - Lightning. Read Oct 5, 2026.
  11. 11.2023 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").
  12. 12.bergerbp.com. Read Oct 5, 2026.
  13. 13.2023 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).
  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). Source URL inherited from NC-2 (the research cites it "as NC-2").
  15. 15.thig.com. Read Oct 5, 2026.
  16. 16.ask.ifas.ufl.edu. Read Oct 5, 2026.
  17. 17.Gutterall 6K hanger. Read Oct 5, 2026.
  18. 18.2023 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).
  19. 19.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Doral 2020 Census internal point (25.8148, -80.3574), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  20. 20.City of Doral - Building Department, cityofdoral.com. Read Oct 5, 2026.
  21. 21.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Doral 2020 Census internal point (25.8148, -80.3574), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  22. 22.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.
  23. 23.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  24. 24.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.
  25. 25.miamidade.gov, miamidade.gov. Read Oct 5, 2026.
  26. 26.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  27. 27.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  28. 28.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  29. 29.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  30. 30.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019), NOAA National Hurricane Center. Read Oct 5, 2026.
  31. 31.Wikipedia, 'Doral, Florida' (revision 1378436857), Wikipedia. Read Oct 5, 2026.
  32. 32.Florida Statutes, section 553.842 (2026), Florida Legislature. Read Oct 5, 2026.
  33. 33.NOAA Atlas 14 at Doral: 10.9 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Doral

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