Gutters ยท South Pasadena
Gutters in South Pasadena, FL
On the Boca Ciega Bay peninsula where South Pasadena sits, a 10-year storm can drop rain at 9.98 inches an hour for five minutes. A gutter sized for gentle rain can overflow in that burst. Water also covers 48.9 percent of the city's total area, so drainage matters on every side of a lot.
Updated October 2026

Our workSouth Pasadena figures this page uses
- People (2020 Census)
- 5,353
- Population estimate (ACS 5-year)
- 5,320
- Median age
- 70yrs
- Housing units (ACS 5-year)
- 4,998
Sizing for local storms
Sizing gutters for a South Pasadena downpour
The plumbing code sizes gutters from the flow off the roof, so the rain rate you pick changes the answer. For this city, NOAA gives 2.82 inches an hour over a full hour in a 10-year storm, and 7.42 inches over 24 hours. Gutters that clear the short burst and the long soak are the safer choice on this peninsula.
IllustrationIllustration: seamless k style white
Half-round 6-inch gutters carry about 49 percent more water than 5-inch gutters at the same slope, by our arithmetic from the code table (110 versus 74 gallons per minute). For a South Pasadena home with a large roof plane, that difference is often worth asking about.
Where the water must go
Downspout placement and discharge rules in South Pasadena
On buildings with eaves under 6 inches, the residential code calls for gutters with downspouts. Each outlet has to end 1 foot or more from the sidewall, through underground piping, a tail extension or a splash block. Near Boca Ciega Bay, where water covers nearly half the city's area, that gap keeps runoff off the foundation.
Keeping gutters clear
Leaves, pine needles and cleaning schedule in South Pasadena
Live oak litter and pine needles clog gutters here. Under oaks and pines, a sensible schedule is after the spring oak leaf drop in late April and May, before the June through September storm season, and after the autumn needle peak in late November and December. Clean more often under heavy canopy.
Consumer Reports found fine-mesh screens outperformed larger-hole screens, but even the top-scoring screen was only middling at a severe downpour. Screens still need brushing in high-pollen months, so plan on climbing a ladder or hiring help.
Rain on your roof
Preset: 7.42 inches, the 10-year 24-hour rain (NOAA Atlas 14 at South Pasadena).
9,245 gallons run off that roof, all of it toward the gutters and downspouts.
Math: square feet ร inches ร 0.623 gallons.
Questions
Gutters in South Pasadena: questions
How hard does it rain in South Pasadena?
A 5-minute rain in a 10-year storm falls at 9.98 inches an hour in South Pasadena. A 25-year storm reaches 11.3 inches an hour, and a 100-year storm reaches 13.2. These are NOAA Atlas 14 values for this city, and they set how large your gutters and downspouts need to be. Over 24 hours, a 100-year storm drops 13.6 inches.
Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the South Pasadena 2020 Census internal point (27.7527, -82.7402), read Oct 5, 2026
Do gutters in South Pasadena need downspouts that go away from the house?
Yes. The residential code wants downspouts to discharge at least 1 foot from the building's sidewall, by underground piping, tail extensions or splash blocks. Check the method with the City of South Pasadena Community Improvement Department, which is the roof permit office for the city.
Source: 2023 Florida Building Code, Residential, 8th ed., Chapter 8 (UpCodes viewer, unofficial transcription), read Oct 5, 2026
How often should I clean gutters under oak trees in South Pasadena?
In South Pasadena, clean them after the spring oak leaf drop in late April and May, before the June through September storm season, and after the autumn needle peak in late November and December. The city's 2020 population of 5,353 and its dense housing mean nearby canopy often drops litter onto several roofs at once. Under heavy canopy, clean more often.
Source: ask.ifas.ufl.edu, read Oct 5, 2026
Is a 5-inch gutter enough for a large South Pasadena roof?
It depends on the roof area and the rain rate you design for. A half-round 6-inch gutter at 1/8 inch per foot slope carries 110 gallons per minute, against 74 for 5-inch, by the plumbing code table. That is about 49 percent more. Have a contractor measure your roof plane before you choose a size.
Source: 2023 Florida Building Code, Plumbing, 8th ed., Chapter 11 (UpCodes viewer, unofficial transcription), read Oct 5, 2026
Sources for this page(28)
- 1.Wikipedia, "South Pasadena, Florida" (secondary source). Read Oct 5, 2026.
- 2.U.S. Census Bureau, Census 2020 place geography (AREALAND/AREAWATER) via TIGERweb tigerWMS_Census2020. Read Oct 5, 2026.
- 3.Permit office: City of South Pasadena - Community Improvement Department. City of South Pasadena - Community Improvement Department. Read Oct 10, 2026.
- 4.NOAA NCEI U.S. Climate Normals 1991-2020, stations USC00087886 ST PETERSBURG and USW00012873 ST PETERSBURG INTL AP. Read Oct 5, 2026.
- 5.2023 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").
- 6.2023 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).
- 7.2023 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").
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- 12.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the South Pasadena 2020 Census internal point (27.7527, -82.7402), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
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- 22.NWS Melbourne, Lightning Facts and Trivia, National Weather Service. Read Oct 5, 2026.
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- 24.FRSA, "New 2023 FBC Eighth Edition is Now in Effect", 2024-02-13, floridaroof.com. Read Oct 5, 2026.
- 25.Miami-Dade County RER notice, Miami. Read Oct 5, 2026.
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- 27.Pinellas County, "Building Departments in Pinellas County" (official), Pinellas County. Read Oct 5, 2026.
- 28.NOAA Atlas 14 at South Pasadena: 9.98 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.
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Gutters in South Pasadena
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