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Gutters · Gulf Stream

Gutters in Gulf Stream, FL

In a 10-year storm, rain in Gulf Stream can fall at 11.1 inches an hour over five minutes. That is a short, hard burst that can overwhelm an old gutter in seconds. Gutter size and downspout count matter here more than the look of the gutter. A rain event this intense also puts the water right at the foundation unless the discharge is planned.

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Updated October 2026

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.

Gulf Stream figures this page uses

People (2020 Census)
954
Population estimate (ACS 5-year)
785
Housing units (ACS 5-year)
598
Median year homes were built
1979

Sizing for local rain

Sizing gutters for Gulf Stream's 11.1-inch burst

Gutters are sized from the flow the roof sends into them, not from the house's width alone. The Florida plumbing code ties horizontal gutter capacity to the roof surface and to slope. A 5-inch half-round at a 1/8 inch per foot slope carries 74 gallons per minute. A 6-inch at the same slope carries 110, so a step up is worth it on a large roof.

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

Sizing depends on the design rainfall you pick. Using the plumbing code's 100-year, 1-hour basis, a 6-inch half-round at 1/8 inch per foot serves about 2,671 square feet of roof. On the 5-minute, 10-year burst that traditional sizing uses, the same gutter serves about 1,107 square feet. The choice of basis changes the answer by more than twice. Ask the installer which basis was used before you sign anything, since a Palm Beach County lot near the coast sees these bursts often.

Downspout capacity is a separate limit. A 3 by 4 1/4 inch leader handles 192 gallons per minute, and a 2 by 2 inch leader only 30. Add half the area of any wall that sheds rain onto the roof before picking the leader size.

Code and discharge rules

Where the downspout water must go on a Gulf Stream lot

Florida's residential code requires gutters with downspouts on homes whose eaves project less than 6 inches, except at gable rakes or where one roof sits above another. Those downspouts must discharge at least 1 foot away from the sidewall, by underground pipe, tail extension or splash block.

On a lot with a 10-year, 5-minute burst of 11.1 inches an hour, a splash block alone may not carry enough water away. The 24-hour 10-year depth is 8.91 inches, so the outlet must move water far enough to keep it off the foundation. Confirm the discharge plan with the Town of Gulf Stream permit office before work starts.

Debris and cleaning

Leaves, pollen and trees around Gulf Stream gutters

Southern live oaks in Florida can grow 60 to 80 feet tall, and their leaves are a litter problem. Oaks and pines are major pollen producers, with the season running January to June and peaking in March and April. Pine needles peak from September through November. Gulf Stream lots with heavy canopy need the most attention.

A sensible rhythm for oak and pine cover is cleaning after the spring pollen and oak leaf drop in late April and May, before the June to September storm season, and after the autumn needle peak in late November and December. Fine-mesh guards help but still need brushing in high-pollen periods.

Rain on your roof

Preset: 8.91 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Gulf Stream).

11,102 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 Gulf Stream: questions

How hard does it rain in Gulf Stream?

A 10-year storm here can drop rain at 11.1 inches an hour over five minutes, and at 3.51 inches an hour over one hour. Over 24 hours, a 10-year storm brings 8.91 inches. Those figures come from NOAA Atlas 14 for this town, so gutter capacity should be checked against them rather than against older general charts.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Gulf Stream 2020 Census internal point (26.4860, -80.0574), read Oct 5, 2026

Related: Gutters

Do gutters need downspouts in Gulf Stream?

Florida's residential code requires gutters with downspouts on buildings whose eaves project less than 6 inches, with the usual exceptions for gable rakes and roofs above another roof. Make sure each downspout ends at least one foot away from the wall of the house. Confirm details with the Town of Gulf Stream permit office.

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

Related: Gutters

How often should gutters be cleaned near oaks in Gulf Stream?

Gutters generally need cleaning two times a year at minimum, usually once in spring and again in fall, and if trees hang over your roof, you may need to do it more frequently. Southern live oaks can grow 60 to 80 feet tall. Schedule a cleaning after pollen and oak leaves have come down in spring, ahead of the June through September storm stretch, and again once the pine needles have peaked in autumn.

Source: thig.com, read Oct 5, 2026

Related: Gutters

Do gutters need wind-rated fasteners in Gulf Stream?

In Palm Beach County's coastal zone, one hidden-hanger maker recommends 16-inch spacing for added uplift resistance and aluminum clips that resist salt air, instead of standard 24-inch spacing. Gulf Stream's 11.1-inch five-minute burst puts real load on gutter hangers. The Florida residential code requires corrosion-resistant fasteners matched to the gutter material.

Source: Gutterall 6K hanger, read Oct 5, 2026

Related: Gutters

Nearby

Gutters near Gulf Stream

Sources for this page(33)
  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 B25004, via Census Reporter API. Read Oct 5, 2026.
  4. 4.Hurricane Matthew (2016). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016). Read Oct 5, 2026.
  5. 5.Permit office: Town of Gulf Stream - Permits. Town of Gulf Stream - Permits. Read Oct 10, 2026.
  6. 6.Wikipedia, 'Gulf Stream, Florida' (revision 1375548398). Read Oct 5, 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.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). Read Oct 5, 2026.
  9. 9.2023 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).
  10. 10.2023 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).
  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.ask.ifas.ufl.edu. Read Oct 5, 2026.
  13. 13.blogs.ifas.ufl.edu. Read Oct 5, 2026.
  14. 14.ufdcimages.uflib.ufl.edu. Read Oct 5, 2026.
  15. 15.thig.com. Read Oct 5, 2026.
  16. 16.consumerreports.org. Read Oct 5, 2026.
  17. 17.Gutterall 6K hanger. Read Oct 5, 2026.
  18. 18.2023 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").
  19. 19.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Gulf Stream 2020 Census internal point (26.4860, -80.0574), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  20. 20.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016), NOAA National Hurricane Center. Read Oct 5, 2026.
  21. 21.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Gulf Stream 2020 Census internal point (26.4860, -80.0574), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  22. 22.Town of Gulf Stream - Permits, Town of Gulf Stream. Read Oct 5, 2026.
  23. 23.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.
  24. 24.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  25. 25.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  26. 26.FRSA, "New 2023 FBC Eighth Edition is Now in Effect", 2024-02-13, floridaroof.com. Read Oct 5, 2026.
  27. 27.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
  28. 28.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.
  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.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  32. 32.NOAA National Hurricane Center, Tropical Cyclone Climatology, NOAA National Hurricane Center. Read Oct 5, 2026.
  33. 33.NOAA Atlas 14 at Gulf Stream: 11.1 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Gulf Stream

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