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Gutters · Alafaya

Gutters in Alafaya, FL

A 5-minute downpour in a 10-year storm falls at 8.86 inches an hour in Alafaya, according to NOAA Atlas 14. That intensity decides how big your gutters and downspouts need to be, and it is far heavier than most homes were sized for decades ago. A 1-hour storm of the same return period still drops 2.94 inches. Your gutter system has to move water fast during the short bursts, not just the long soaking rains.

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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.

Sizing for local rain

How Alafaya rain sizes your gutters and downspouts

The plumbing code sizes horizontal gutters by the flow rate off the roof. A 6-inch half-round gutter at 1/8 inch per foot slope carries 110 gallons per minute. A 5-inch one carries 74. The step from 5 to 6 inches adds roughly half again as much capacity, which matters on a long roof plane that drains into one run.

Copper-tone half-round gutters on decorative hangers with a round copper downspout on an upscale cream stucco home with a flat tile roof, live oak with Spanish moss and palm (illustration)Illustration

Illustration: half round copper

Downspouts are sized the same way. A 2 by 3 inch leader handles 30 gallons per minute, while a 3 by 4 1/4 inch or 4 inch round leader handles 192. Where a wall above your gutter sheds rain onto the roof, the code adds half that wall's area to the roof area you size against. About 64.2 percent of Alafaya's housing units are single-family detached homes, and two-story sections on those are where undersized leaders most often overflow.

Downspout discharge rules

Where the water must go on your lot

Florida's residential code requires downspouts to discharge at least 1 foot from the sidewall of the building. That distance can come from underground piping, tail extensions or splash blocks. A downspout that dumps at the foundation can move water toward the slab and the footings, which is the outcome the rule is written to prevent.

Alafaya is an unincorporated area, so the Orange County Division of Building Safety handles permits for gutter and downspout work that falls under the building code. Confirm the discharge detail with that office before you extend or reroute a run.

  • Gutters are required where eaves project less than 6 inches, except at gable rakes or above another roof.
  • Metal or approved plastic, with lapped, soldered or caulked joints, fastened with corrosion resistant hardware.
  • Water should leave at least 1 foot from the sidewall, by pipe, tail or splash block.

Keeping gutters clear

Leaves, pollen and cleaning on an Alafaya lot

Southern live oaks are semi-evergreen, reach 60 to 80 feet tall and drop fruit and leaves that become a litter problem. Florida's pollen season runs from January to June, with peaks in March and April, and live oaks are among the major producers. With a median build year of 2002, many Alafaya lots carry trees that have had over two decades to grow, so clean more often than the minimum under heavy canopy.

A workable rhythm for a tree-covered lot is after the spring oak leaf drop and pollen in late April or May, before the June to September storm season, and after the autumn pine needle peak in late November or December. Clogged gutters can cause water damage, mold, roof damage and foundation problems, so the schedule is worth keeping.

Rain on your roof

Preset: 6.42 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Alafaya).

7,999 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 Alafaya: questions

How big should gutters be for a home in Alafaya?

Size them from the design rain, not the average rain. In Alafaya a 5-minute, 10-year storm falls at 8.86 inches an hour, and a 6-inch half-round gutter at 1/8 inch per foot slope carries 110 gallons per minute under the plumbing code. Your contractor should show the roof area each run drains and the basis used. Gutters too small for a long roof plane overflow during the first intense minutes of a storm.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Alafaya 2020 Census internal point (28.5284, -81.1857), read Oct 5, 2026

Related: Gutters

Where should my downspouts send the water?

Florida's residential code requires downspouts to discharge at least 1 foot from the sidewall of the building. You can meet that with underground piping, tail extensions or splash blocks. Water that pools against the foundation is what the rule is meant to stop. Check the detail with the Orange County Division of Building Safety before you change a run, since Alafaya permits come from that office.

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

Related: Gutters

How often should gutters be cleaned near oak and pine trees?

Experts cited by a Florida home insurer recommend cleaning gutters at least twice a year, usually in spring and fall, and more often with overhanging trees or frequent storms. In Orange County, where Hurricane Irma in 2017 brought peak gusts of 69 knots to Orlando International, a clogged run can fail when storm water arrives. Under live oaks, plan a cleaning after the spring leaf drop and pollen, before the June to September storm season, and after the autumn pine needle peak.

Source: thig.com, read Oct 5, 2026

Related: Gutters

Do gutters need to be attached in a way that resists storms?

Hidden hanger makers recommend 24 inches on center for standard installs and 16-inch spacing for added uplift resistance in storm-prone areas, with aluminum clips resisting salt air corrosion. Central Florida's storm season runs June through September, when Orlando International averages about 57 percent of its annual rain. Florida's residential code requires corrosion resistant fastening of a similar or compatible material. Ask your contractor which spacing and fasteners are on your job, and keep records of the detail.

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

Related: Gutters

Nearby

Gutters near Alafaya

Sources for this page(38)
  1. 1.Single-family detached share of housing units: 64.2%. U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API. Read Oct 5, 2026.
  2. 2.Permit office: Orange County Division of Building Safety. Orange County Division of Building Safety. Read Oct 10, 2026.
  3. 3.Median year homes were built: 2002. U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API. Read Oct 5, 2026.
  4. 4.U.S. Census Bureau, 2020 Census (TIGERweb tigerWMS_Census2020 MapServer: POP100, HU100, AREALAND, AREAWATER). Read Oct 5, 2026.
  5. 5.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, table B25035. Read Oct 5, 2026.
  6. 6.Hurricane Irma (2017). NWS Melbourne, Post Tropical Cyclone Report: Hurricane Irma (2017). Read Oct 5, 2026.
  7. 7.Hurricane Matthew (2016). NWS Melbourne, Post Tropical Cyclone Report: Hurricane Matthew (2016). Read Oct 5, 2026.
  8. 8.2023 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").
  9. 9.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). Read Oct 5, 2026.
  10. 10.2023 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").
  11. 11.2023 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).
  12. 12.2023 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).
  13. 13.2023 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").
  14. 14.ask.ifas.ufl.edu. Read Oct 5, 2026.
  15. 15.blogs.ifas.ufl.edu. Read Oct 5, 2026.
  16. 16.thig.com. Read Oct 5, 2026.
  17. 17.NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  18. 18.Gutterall 6K hanger. Read Oct 5, 2026.
  19. 19.Orange County Division of Building Safety, ocfl.net. Read Oct 5, 2026.
  20. 20.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Alafaya 2020 Census internal point (28.5284, -81.1857), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  21. 21.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Irma (2017), National Weather Service. Read Oct 5, 2026.
  22. 22.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Matthew (2016), National Weather Service. Read Oct 5, 2026.
  23. 23.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Alafaya 2020 Census internal point (28.5284, -81.1857), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  24. 24.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  25. 25.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, table B25024, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  26. 26.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  27. 27.Orange County Government, Division of Building Safety, ocfl.net. Read Oct 5, 2026.
  28. 28.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  29. 29.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  30. 30.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  31. 31.FRSA, "New 2023 FBC Eighth Edition is Now in Effect", 2024-02-13, floridaroof.com. Read Oct 5, 2026.
  32. 32.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
  33. 33.Florida Statutes, section 553.842 (2026), Florida Legislature. Read Oct 5, 2026.
  34. 34.Florida Building Commission, Florida Building Commission. Read Oct 5, 2026.
  35. 35.NOAA NCEI, U.S. Climate Normals 1991-2020 (annual/seasonal), access-data API, NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  36. 36.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Ian (2022), National Weather Service. Read Oct 5, 2026.
  37. 37.NWS Melbourne, Lightning Information Center, National Weather Service. Read Oct 5, 2026.
  38. 38.NOAA Atlas 14 at Alafaya: 8.86 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Alafaya

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