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Gutters · Miami Gardens

Gutters in Miami Gardens, FL

In a 10-year storm, rain in Miami Gardens can fall at 10.9 inches an hour for five minutes, according to NOAA Atlas 14 values for this town. That rate is what your gutters have to handle in a short, heavy burst. A gutter sized for a gentle rain can overflow long before the storm ends, and the water then runs down your fascia and into the soil by your foundation.

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Updated October 2026

Tall pale concrete arch over an intersection, with a Sunshine State International Park sign and a 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: Miami Gardens FL Sunshine State Arch 01 by Pietro, CC BY-SA 3.0, cropped

Rainfall and sizing

How hard it rains in Miami Gardens and what that means for gutters

The one-hour figure matters too. A 10-year storm here drops about 3.44 inches an hour over a full hour. A 100-year storm pushes that to about 5.4 inches an hour. Gutters are sized on the short, intense burst, but the hour-long totals show how much water a downspout must move after the first few minutes.

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

Over a whole day, the 24-hour depth is 8.56 inches in a 10-year storm and 15.1 inches in a 100-year storm. Miami-Dade gets far more rain than most of the state, so the Florida plumbing code's sizing tables should be read against these local numbers rather than a generic rain figure.

The state's plumbing code sizes horizontal gutters from the flow off the roof. A 6-inch half-round gutter at 1/8 inch per foot slope carries about 110 gallons per minute, while a 5-inch one carries 74. By our arithmetic, the 6-inch size carries about 49 percent more water for the same slope.

Code and drainage

Downspout discharge rules and where the water goes

Florida's residential code requires gutters and downspouts where eaves project less than 6 inches, except at gable end rakes or where a roof sits above another roof. Each downspout must discharge at least 1 foot from the building's sidewall, by underground piping, tail extension or splash block.

A downspout that dumps water at the wall, or one that ends in a short pipe, can soak the soil next to your foundation during a storm. Many Miami Gardens lots are flat, so the water has little place to go once it lands. Check where each downspout empties before the rainy season starts.

Downspout size matters as much as gutter size. A 3 by 4 1/4 inch or 4-inch round downspout handles about 192 gallons per minute, while a 2 by 2 inch one handles only 30. If your gutters are large but the downspouts are small, the water backs up at the outlet.

Debris and upkeep

Leaves, trees and cleaning schedule in Miami Gardens

Southern live oaks, which grow large in South Florida yards, drop leaves and fruit that become a litter problem in gutters. Oaks and pines are among the major pollen producers, with pollen season running January to June and peaking in March and April.

Pine needles add a heavier load in autumn. The greatest needle fall comes from September through November. A reasonable rhythm for a yard under oaks or pines is cleaning after the spring leaf and pollen drop, before the June to September storm season, and again after the autumn needle peak.

Clogged gutters can cause water damage, mold, roof damage and foundation issues. Fine-mesh guards did better than larger-hole screens in one independent test, but none fully handled a severe downpour, and they still need brushing in high-pollen areas. Have a roofer inspect the gutters on your routine roof check.

Rain on your roof

Preset: 8.56 inches, the 10-year 24-hour rain (NOAA Atlas 14 at Miami Gardens).

10,666 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 Miami Gardens: questions

How big should my gutters be for a Miami Gardens storm?

Size them for the short, heavy burst, not the daily rain. In a 10-year storm, the 5-minute rate here is 10.9 inches an hour. Florida's plumbing code sizes horizontal gutters from the roof's flow, and a 6-inch half-round at 1/8 inch per foot slope carries about 110 gallons per minute, against 74 for a 5-inch. Your roof's size and pitch change the answer, so have the numbers checked against your actual roof.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Miami Gardens 2020 Census internal point (25.9487, -80.2436), read Oct 5, 2026

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How far from the house must a downspout discharge in Miami Gardens?

Florida's residential code requires each downspout to discharge at least 1 foot from the building's sidewall. The water can go through underground piping, a tail extension or a splash block. A downspout that dumps water at the wall can saturate soil next to the foundation during a heavy storm, and many local lots are flat, so water has little room to drain. The code sets the minimum distance. Check with the City of Miami Gardens Building Services office on any permit questions.

Source: 2023 Florida Building Code, Residential, 8th ed., R318.5 (UpCodes viewer, unofficial transcription); FBC-Building 1503.7, read Oct 5, 2026

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Do I need gutters on my Miami Gardens home at all?

The residential code requires gutters with downspouts where the eaves project less than 6 inches, except at gable end rakes or where one roof sits above another. Homes with deeper eaves are not covered by that particular requirement. Miami Gardens gets very heavy rain, and the 24-hour depth reaches 8.56 inches in a 10-year storm. Many owners here choose gutters anyway to protect fascia and the soil beside the foundation, since a single 2010-or-later code rule does not decide it for older homes like the 1970 median build year here.

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 under trees in Miami Gardens?

Insurers and trade groups suggest cleaning at least twice a year, usually spring and fall, and more often under overhanging trees. For yards under oaks or pines, a practical schedule is after the spring leaf and pollen drop, before the June to September storm season, and after the autumn pine-needle peak. In Miami-Dade, June is the wettest month at about 10.51 inches, so clear the gutters before that month arrives.

Source: thig.com, read Oct 5, 2026

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Nearby

Gutters near Miami Gardens

Sources for this page(35)
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  2. 2.Wikipedia, 'Miami Gardens, Florida' (revision 1374541944). Read Oct 5, 2026.
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  34. 34.Wikipedia, 'List of municipalities in Florida', Wikipedia. Read Oct 5, 2026.
  35. 35.NOAA Atlas 14 at Miami Gardens: 10.9 in/hr (5-minute, 10-year). NOAA Atlas 14 Precipitation Frequency Data Server. Read Oct 5, 2026.

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Gutters in Miami Gardens

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