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Gutters · Palmetto Bay

Gutters in Palmetto Bay, FL

Palmetto Bay's 10-year, 5-minute design rain runs at 10.8 inches an hour, which is the figure a gutter here has to carry. A system sized for a light shower can spill over the fascia within minutes. The first thing to check is whether the gutter was built for this burst.

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Updated October 2026

Two historic stone and stucco mansions with arched windows and lawns beneath a blue sky with clouds.
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: Deering Estate Both Houses by LittleOrphanDani, CC BY-SA 4.0, cropped

Sizing the system

How heavy Palmetto Bay rain sizes your gutters

Gutter capacity is set by the design rain, not the average rain. For Palmetto Bay, the 10-year, 5-minute rate is 10.8 inches an hour, and the 25-year rate is 12.6. A one-hour 10-year rain falls at 3.36 inches an hour, so the short burst is the harder test for the gutter itself.

Heavy Florida afternoon downpour pouring off a roof edge with no gutter, splashing mud onto the wall and washing out the flower bed along the foundation (illustration)Illustration

Illustration: downpour no gutter

The Florida plumbing code sizes horizontal gutters by roof flow, and it gives capacities by size and slope. A 6-inch half-round at 1/8 inch per foot is rated at 110 gallons per minute, about 49 percent more than a 5-inch at the same slope. That gap matters on a large roof in a burst like this.

Downspouts need the same attention. A 2 by 3 inch leader is rated at 30 gallons per minute, while a 3 by 4 1/4 inch or 4-inch round leader is rated at 192. If a wall sheds rain onto the roof, the code asks you to add half that wall's area to the roof area. A steep or tall wall can push a roof past its gutter rating.

Where the water lands

Downspout discharge rules for Palmetto Bay homes

Under the residential code, buildings with eaves extending less than 6 inches need gutters and downspouts, unless the gutter sits at a gable end rake or on a roof stacked over another roof. Confirm the rule with the village building office before any change.

On a lot where 79.3 percent of homes are single-family detached, most downspouts drain onto the yard. Where 63.8 percent of homes were built before 1980, many of those leaders may have been set before this discharge rule was applied. Check the spot where the water lands on your own lot.

Keeping gutters clear

Leaves, pine needles and cleaning in Palmetto Bay

Southern live oaks are semi-evergreen and drop a steady litter of leaves and fruit. Florida pollen from oaks peaks in March and April. A clean gutter in spring is the first defense against a clog before the June storm season begins.

Plan cleanings around the storm calendar here. Clear the gutters in late spring and again in late fall, and more often under a heavy canopy. Do not climb a ladder when thunder can be heard, since lightning can strike several miles from the storm.

Rain on your roof

Preset: 8.03 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Palmetto Bay).

10,005 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 Palmetto Bay: questions

How heavy is rain in Palmetto Bay?

A 10-year, 5-minute downpour in Palmetto Bay falls at 10.8 inches an hour, and a 100-year burst reaches 15.5 inches an hour. The 24-hour 10-year total is 8.03 inches. These numbers come from NOAA Atlas 14 for this village. A gutter should be sized to handle the short, intense rate, not a light average.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Palmetto Bay 2020 Census internal point (25.6217, -80.3189), read Oct 5, 2026

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What size gutter handles Palmetto Bay storms?

The plumbing code rates a 6-inch half-round gutter at 1/8 inch per foot slope at 110 gallons per minute, while a 5-inch at the same slope is rated at 74. Larger roofs and steep walls that drain onto the roof call for the bigger size. Confirm your roof area and slope with a qualified inspector before you choose.

Source: 2023 Florida Building Code, Plumbing, 8th ed., Chapter 11 (UpCodes viewer, unofficial transcription), read Oct 5, 2026

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Where should my downspouts drain in Palmetto Bay?

The residential code requires downspouts to discharge at least 1 foot away from the sidewall, by underground pipe, tail extension or splash block. With 79.3 percent of homes single-family detached, most drains empty onto the lawn. Confirm the local requirement with the Village of Palmetto Bay building office.

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

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How often should gutters be cleaned near oaks in Palmetto Bay?

Palmetto Bay homes with oaks overhead should clean gutters in spring and fall, and more often under heavy canopy. Southern live oaks drop leaves and fruit that litter gutters, and oak pollen peaks in March and April in this area. Plan the cleaning before the hurricane season, which runs June 1 to November 30 and peaks September 10.

Source: thig.com, read Oct 5, 2026

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Nearby

Gutters near Palmetto Bay

Sources for this page(28)
  1. 1.Permit office: Village of Palmetto Bay - Building Permits. Village of Palmetto Bay - Building Permits. Read Oct 10, 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.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.Single-family detached share of housing units: 79.3%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  5. 5.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, 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.NOAA National Hurricane Center, Tropical Cyclone Climatology. Read Oct 5, 2026.
  8. 8.NWS Miami, Weather Safety - Lightning. Read Oct 5, 2026.
  9. 9.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). Read Oct 5, 2026.
  10. 10.2023 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").
  11. 11.bergerbp.com. Read Oct 5, 2026.
  12. 12.2023 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).
  13. 13.2023 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").
  14. 14.2023 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).
  15. 15.ask.ifas.ufl.edu. Read Oct 5, 2026.
  16. 16.blogs.ifas.ufl.edu. Read Oct 5, 2026.
  17. 17.thig.com. Read Oct 5, 2026.
  18. 18.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Palmetto Bay 2020 Census internal point (25.6217, -80.3189), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  19. 19.Village of Palmetto Bay - Building Permits, Village of Palmetto Bay. Read Oct 5, 2026.
  20. 20.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Palmetto Bay 2020 Census internal point (25.6217, -80.3189), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  21. 21.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 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. 23.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 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.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
  26. 26.Wikipedia, 'Palmetto Bay, Florida' (revision 1377349077), Wikipedia. Read Oct 5, 2026.
  27. 27.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service), NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  28. 28.NOAA Atlas 14 at Palmetto Bay: 10.8 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Palmetto Bay

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