Skip to content

Gutters · Oldsmar

Gutters in Oldsmar, FL

A 5-minute downpour in a 10-year storm falls at 9.72 inches an hour in Oldsmar, according to NOAA Atlas 14. That is a fast burst of water hitting your roof edge. Gutters and downspouts have to move it away from the house, and many older Oldsmar gutters were sized for lighter rain.

Request a quote407-242-2840

Updated October 2026

Pink stucco Mediterranean-style house with terracotta roof and green lawn under 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: Historic 1920s Home - Oldsmar, FL by CityLimitsJunction, CC0, cropped

Sizing for local rain

Sizing gutters and downspouts for the rainfall Oldsmar actually gets

Gutters are sized from the rain rate, not from the house size alone. In Oldsmar the 5-minute, 10-year rate is 9.72 inches an hour, and the 100-year rate is 13. The plumbing code sizes horizontal gutters from the flow off the roof surface, so a 6-inch half-round gutter at 1/8 inch per foot carries 110 gallons per minute. By our arithmetic that is about 49% more than a 5-inch gutter at the same slope.

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

Downspouts follow a separate table. A 2 1/2 by 3 inch leader moves 92 gallons per minute and a 3 by 4 inch leader moves 192. If a wall sheds rain onto the roof, add half of that wall's area to the roof area before you size. Oldsmar's 1-hour, 10-year rate of 2.9 inches an hour also means a steep roof can send more water to one corner than you expect.

Discharge and code

Where Oldsmar gutter water has to go

Under Florida's residential code, buildings whose eaves stick out less than 6 inches need gutters fitted with downspouts. Your downspouts have to empty at least 1 foot away from the wall, whether through buried pipe, tail extensions or splash blocks. On a lot near Tampa Bay, that foot of clearance keeps water off the foundation and away from the soil that holds it.

Rain on your roof

Preset: 6.91 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Oldsmar).

8,610 gallons run off that roof, all of it toward the gutters and downspouts.

Math: square feet × inches × 0.623 gallons.

Request a quote

Questions

Gutters in Oldsmar: questions

How big should gutters be for Oldsmar rain?

Size them for the 5-minute, 10-year rate of 9.72 inches an hour that NOAA Atlas 14 gives for Oldsmar. A 6-inch half-round gutter at 1/8 inch per foot carries 110 gallons per minute, which is about 49% more than a 5-inch gutter at the same slope. Ask the building office at Pinellas County Building Services which design basis applies to your permit.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Oldsmar 2020 Census internal point (28.0484, -82.6713), read Oct 5, 2026

Related: Gutters

Where should Oldsmar downspouts drain?

The residential code says downspouts must discharge at least 1 foot from the building's sidewall. You can use underground piping, tail extensions or splash blocks to do it. Pinellas County Building Services issues permits and inspections for Oldsmar, so confirm details with them before you change a drain line.

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 I clean gutters near oak trees in Oldsmar?

Clean gutters near oak trees in Oldsmar at least twice a year, in spring and fall, and more often when branches hang over the roof. Southern live oaks drop leaves that become a litter problem, per UF/IFAS, so a common rhythm is cleaning after the spring oak leaf drop, before the June through September storm season, and again after the autumn pine-needle peak. Tower Hill Insurance Group recommends this schedule as well. Many Oldsmar homes were built around 1988, so older gutters may also need closer checks for sagging or loose hangers during each cleaning.

Source: ask.ifas.ufl.edu, read Oct 5, 2026

Related: Gutters

Nearby

Gutters near Oldsmar

Sources for this page(32)
  1. 1.Wikipedia, "Oldsmar, Florida" (secondary source). Read Oct 5, 2026.
  2. 2.U.S. Census Bureau, Census 2020 place geography (AREALAND/AREAWATER) via TIGERweb tigerWMS_Census2020. Read Oct 5, 2026.
  3. 3.Hurricane Irma (2017). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma. Read Oct 5, 2026.
  4. 4.NWS Melbourne, Lightning Facts and Trivia. Read Oct 5, 2026.
  5. 5.Pinellas County, "Building Departments in Pinellas County" (official). Read Oct 5, 2026.
  6. 6.Permit office: Pinellas County Building and Development Review Services - Building Services (unincorporated Pinellas plus Belleair Beach, Belleair Shore, Indian Rocks Beach, Kenneth City, Oldsmar and Safety Harbor). Pinellas County Building and Development Review Services - Building Services (unincorporated Pinellas plus Belleair Beach, Belleair Shore, Indian Rocks Beach, Kenneth City, Oldsmar and Safety Harbor). Read Oct 10, 2026.
  7. 7.Hurricane Hermine (2016). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Hermine. Read Oct 5, 2026.
  8. 8.Median year homes were built: 1988. U.S. Census Bureau, ACS 2024 5-year (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
  9. 9.2023 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").
  10. 10.bergerbp.com. Read Oct 5, 2026.
  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 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").
  13. 13.ask.ifas.ufl.edu. Read Oct 5, 2026.
  14. 14.thig.com. Read Oct 5, 2026.
  15. 15.NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  16. 16.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Oldsmar 2020 Census internal point (28.0484, -82.6713), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  17. 17.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma, NOAA National Hurricane Center. Read Oct 5, 2026.
  18. 18.Pinellas County Building and Development Review Services - Building Services (unincorporated Pinellas plus Belleair Beach, Belleair Shore, Indian Rocks Beach, Kenneth City, Oldsmar and Safety Harbor), Pinellas County Building and Development Review Services. Read Oct 5, 2026.
  19. 19.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Hermine, NOAA National Hurricane Center. Read Oct 5, 2026.
  20. 20.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the Oldsmar 2020 Census internal point (28.0484, -82.6713), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  21. 21.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.
  22. 22.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  23. 23.City of Oldsmar, Permit Applications & Forms (official), myoldsmar.com. Read Oct 5, 2026.
  24. 24.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Eta, NOAA National Hurricane Center. Read Oct 5, 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.NOAA NCEI U.S. Climate Normals 1991-2020, stations USC00087886 ST PETERSBURG and USW00012873 ST PETERSBURG INTL AP, NOAA National Centers for Environmental Information. Read Oct 5, 2026.
  28. 28.City of St. Petersburg; City of Tarpon Springs (official); Wikipedia (St. Pete Beach), City of St. Petersburg. Read Oct 5, 2026.
  29. 29.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
  30. 30.City of St. Pete Beach; Town of Redington Shores; City of Largo (official), City of St. Pete Beach. Read Oct 5, 2026.
  31. 31.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
  32. 32.NOAA Atlas 14 at Oldsmar: 9.72 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

South Fork Roofing

Gutters in Oldsmar

Answer a few questions about the job, or call.

Request a quote407-242-2840
CallGet a quote