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Gutters · Carrollwood

Gutters in Carrollwood, FL

Carrollwood, a 1959 neighborhood with a median build year of 1984, gets a 5-minute downpour at 9.9 inches an hour in a 10-year storm. That is the number gutters here have to carry. A gutter sized for lighter rain can overflow in one short, hard burst, and the water then runs down the fascia and into the soffit. Local rainfall, local roofs and local lots all change how gutters should be sized.

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Updated October 2026

Aerial view of a lake with sailboats, green park grounds, and surrounding residential neighborhoods.
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: Carrollwood Village Park Florida 5SEPT2026 by Kimberli Mäkäräinen, CC BY-SA 4.0, cropped

Rainfall and sizing

How much rain Carrollwood gutters need to handle

Short bursts matter more than the daily total here. A 1-hour rain in a 10-year storm falls at 2.92 inches an hour, and a 100-year storm at 4.02. The 24-hour total for a 10-year storm is 6.69 inches. A gutter has to move the peak rate, not the average.

Close-up of an old sagging gutter pulling away from a rotted, water-stained fascia board with peeling paint and mildew under the eave (illustration)Illustration

Illustration: rotted fascia

Tampa International Airport records a normal 49.48 inches of rain a year, and about 61 percent of it falls June through September. Those months are when gutters work hardest, so have them clear and fastened before June.

The sizing code works from the flow rate off the roof. A 5-inch half-round gutter at 1/8 inch per foot slope carries 74 gpm, and a 6-inch carries 110 gpm. Stepping up one size on a Carrollwood run adds capacity for the burst rate. Going up one size is often the cheapest fix for a gutter that overflows in a hard rain.

Pitch changes the roof area each gutter collects. A roof at 6 to 8 inches of rise per foot counts at a 1.10 factor, and a 12 pitch at 1.30. A steeper roof sends more water to the same run of gutter, so a steep Carrollwood roof may need a larger size than a flat one.

Code and drainage

Downspout discharge rules for Carrollwood homes

Florida code requires gutters with downspouts on buildings whose eaves project less than 6 inches, except at gable end rakes or where a roof sits above another roof. Check your eave depth before you assume you are exempt. Single-family detached homes make up 59.2 percent of the housing here, so most lots have a full roof edge to drain.

  • Discharge each Carrollwood downspout at least 1 foot from the sidewall.
  • Route the water by underground piping, a tail extension, or a splash block, whichever suits the lot.
  • A downspout sized 2 by 3 inches carries 92 gpm at the top of the leader scale, so a large roof may need two or more.

Where the water goes matters on a lot with a slope toward the house. Confirm drainage with the Hillsborough County building office, since the code sets the discharge distance but a lot grade needs a site check.

Debris and upkeep

Leaves, pollen and cleaning in Carrollwood trees

Southern live oaks are a common litter source. They reach 60 to 80 feet tall with a 60 to 120 foot spread, and their leaves and fruit are a litter problem. Under a heavy canopy, clean gutters more often than twice a year.

Florida pollen season runs January to June, peaking in March and April, and oaks and pines are major producers. Needles on Carrollwood pines drop hardest in the autumn months. A sensible rhythm is cleaning after the spring pollen and oak drop, before the June to September storm season, and after the autumn needle fall.

Rain on your roof

Preset: 6.69 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Carrollwood).

8,336 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 Carrollwood: questions

How big should my gutters be in Carrollwood?

Size them for the 5-minute, 10-year rain, which falls at 9.9 inches an hour here. A 5-inch half-round gutter at 1/8 inch per foot carries 74 gpm, and a 6-inch carries 110 gpm. Roof pitch and roof area also change the answer, so have the run measured before you choose a size.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Carrollwood 2020 Census internal point (28.0582, -82.5158), read Oct 5, 2026

Related: Gutters

Do I need gutters on a home in Carrollwood?

Florida code requires gutters with downspouts on buildings whose eaves project less than 6 inches, except at gable end rakes or where a roof sits above another roof. If your eaves are deeper than 6 inches, the rule does not require them. A 10-year rain in Carrollwood still falls at 9.9 inches an hour for 5 minutes, so the fascia and foundation carry that load either way.

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 far should my downspouts discharge from the house?

The code requires each downspout to discharge at least 1 foot from the structure sidewall, by underground piping, a tail extension, or a splash block. The Hillsborough County building office, which issues permits in unincorporated Carrollwood, can confirm what applies to your permit or lot.

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

Related: Gutters

How often should I clean gutters near oaks in Carrollwood?

Experts recommend cleaning them at least twice a year, usually in spring and fall, and more often with overhanging trees. Southern live oaks reach 60 to 80 feet tall and drop litter, and in Hillsborough County about 61 percent of the 49.48 inches of yearly rain falls June through September. Clean after the spring pollen drop and again after the autumn needle fall.

Source: thig.com, read Oct 5, 2026

Related: Gutters

Nearby

Gutters near Carrollwood

Sources for this page(32)
  1. 1.NOAA NCEI U.S. Climate Normals 1991-2020, station USW00012842 TAMPA INTL AP. Read Oct 5, 2026.
  2. 2.Single-family detached share of housing units: 59.2%. U.S. Census Bureau, ACS 2024 5-year (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
  3. 3.Permit office: Hillsborough County - Building Permits & Records (unincorporated Hillsborough County). Hillsborough County - Building Permits & Records (unincorporated Hillsborough County). Read Oct 10, 2026.
  4. 4.Wikipedia, "Hillsborough County, Florida" (secondary). Read Oct 5, 2026.
  5. 5.Median year homes were built: 1984. U.S. Census Bureau, ACS 2024 5-year (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  6. 6.Wikipedia, "Carrollwood, Florida" (secondary source). Read Oct 5, 2026.
  7. 7.NOAA Atlas 14 (HDSC Precipitation Frequency Data Server). 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.bergerbp.com. 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.ask.ifas.ufl.edu. Read Oct 5, 2026.
  13. 13.thig.com. Read Oct 5, 2026.
  14. 14.blogs.ifas.ufl.edu. Read Oct 5, 2026.
  15. 15.ufdcimages.uflib.ufl.edu. Read Oct 5, 2026.
  16. 16.National Roofing Contractors Association. Read Oct 5, 2026.
  17. 17.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Carrollwood 2020 Census internal point (28.0582, -82.5158), 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 Carrollwood 2020 Census internal point (28.0582, -82.5158), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  19. 19.U.S. Census Bureau, ACS 2024 5-year (2020-2024), table B25035, via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  20. 20.Hillsborough County - Building Permits & Records (unincorporated Hillsborough County), Hillsborough County. Read Oct 5, 2026.
  21. 21.Wikipedia articles for each place (secondary), Wikipedia. Read Oct 5, 2026.
  22. 22.Wikipedia (Riverview, Brandon); U.S. Census Bureau ACS 2020-2024 table B25034, Wikipedia. Read Oct 5, 2026.
  23. 23.Florida Statutes, section 627.7011 (2026), Florida Legislature. Read Oct 4, 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. 25.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  26. 26.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  27. 27.Florida Statutes, section 489.113 (2026), Florida Legislature. Read Oct 5, 2026.
  28. 28.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Eta, NOAA National Hurricane Center. Read Oct 5, 2026.
  29. 29.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Hermine, NOAA National Hurricane Center. Read Oct 5, 2026.
  30. 30.U.S. Census Bureau, Census 2020 place geography (AREALAND/AREAWATER) via TIGERweb tigerWMS_Census2020, U.S. Census Bureau. Read Oct 5, 2026.
  31. 31.Florida Statutes, section 553.842 (2026), Florida Legislature. Read Oct 5, 2026.
  32. 32.NOAA Atlas 14 at Carrollwood: 9.9 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Carrollwood

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