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Roofing in South Bay, Florida
South Bay sits on the southern bank of Lake Okeechobee, and that location shapes the roofs here. Most homes were built long ago, and the median year of construction is 1974. If your roof is one of those original ones, the age matters for insurance paperwork and for how much work the building rules allow in a single year.
Updated October 2026

Home age
Roof age in a town where the median home dates to 1974
The census puts the median build year at 1974, against 1986 for Palm Beach County as a whole. About 68 percent of housing units went up before 1980. That suggests many roofs in town are well past 25 years old, and many are likely older than that.
Citizens Property Insurance asks for proof of at least five years of remaining useful life on roofs older than 25 years if the roof is soft, such as shingle. Tile and metal roofs, by contrast, still receive that same inspection once they reach 50 years of age. Ask your insurer or agent to spell out the exact rule that applies to your policy.
Mobile homes
What mobile homes mean for a roof in South Bay
About 13.3 percent of housing units here are mobile homes, against 2.8 percent countywide. That is nearly five times the county share. A mobile home roof follows its own build standard, so check the date of manufacture before you assume the Florida Building Code applies.
Buildings made before that date fall under the older Standard Building Code, and buildings made after it fall under the Florida Building Code. Ask the building office which standard governs your unit.
Permits
Who issues roof permits in South Bay
Roof permits in South Bay are issued by the City of South Bay Planning and Building office. Call or visit that office before work starts to confirm current forms and fees.
A permit does not stay open forever. Should construction fail to begin within 6 months after the permit is issued, or should it pause for a full 6 months, the permit lapses and is no longer valid. Progress is treated as ongoing so long as an inspection receives approval within each 180-day span.
Building permits
City of South Bay - Planning and Building
Official building pageOffice names and links only. Fees, forms and timing change; check the official page.
Weather
Storms and rain that affect South Bay roofs
Miami-Dade and Broward are the only counties placed in the High Velocity Hurricane Zone, so Palm Beach County falls outside it. Hurricane Irma's storm surge reached 2 to 4 feet above ground along coastal northern Palm Beach County, and that is the county's coast, not inland South Bay.
Rain is the more regular concern. Belle Glade on the lake averages 55.22 inches a year, and about two thirds of normal rain at West Palm Beach falls from May through October. A 10-year, one-hour storm here drops 2.81 inches an hour, so check gutters and flashing before the wet season.
Local record
On record for South Bay
- Small city near the southern bank of Lake Okeechobee; the Lake Okeechobee Scenic Trail runs through it.
- 13.3% of housing units are mobile homes.
Services
Roofing services in South Bay
- Roof replacementTear-off, deck, code items and the two inspections.Re-roofs in South Bay
- Roof repairLeaks, lifted shingles, cracked tile and flashing.Repairs in South Bay
- Roof inspectionsRoof age, condition and what an insurer asks about.Inspections in South Bay
- Commercial roofingLow-slope systems, drainage and the code for buildings.Commercial roofs in South Bay
- New construction roofingDry-in, the sheathing inspection and the code edition.New construction in South Bay
- GuttersSizing for Florida rain, downspouts and fascia.Gutters in South Bay
Questions
South Bay roofing questions
What is the 25% roof rule in Florida?
Under the 25 percent rule, no more than a set share of an existing roof may be fixed, swapped out or covered over within any single 12-month window. Not more than 25 percent of the roof area can be worked on unless the whole roof system is replaced. When your roof was constructed or patched under the 2007 Florida Building Code or a newer edition, just the patched section needs to satisfy today's code. No city or county can alter that carve-out through its own local ordinance. Confirm how it applies to your roof with the South Bay Planning and Building office.
Source: 2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), read Oct 5, 2026
Do I need a permit to reroof in South Bay?
Roof work in South Bay goes through the City of South Bay Planning and Building office. Check with that office before you start, because a permit that is not used can expire. Under the state rules, a permit becomes invalid if work does not begin within 6 months of issuance. Ask the office which forms and inspections apply to your house.
Source: City of South Bay - Planning and Building, read Oct 5, 2026
How old are roofs on homes in South Bay?
The median home here was built in 1974, and about 67.9 percent of units went up before 1980. Quite a few roofs have probably already passed the 25-year mark. If your roof is older than 25 years and made of shingle, expect your insurer to ask for proof of at least five years of remaining life. Ask your insurer or agent for the exact requirement.
Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API, read Oct 5, 2026
Are mobile homes common in South Bay?
Yes. About 13.3 percent of housing units in South Bay are mobile homes, compared with 2.8 percent for Palm Beach County. Mobile home roofs follow the standard in force when the unit was built. Check the manufacture date, since units made before March 1, 2002 fall under the older Standard Building Code.
Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API, read Oct 5, 2026
How much rain should South Bay roofs and gutters handle?
A 10-year, one-hour storm in South Bay drops 2.81 inches of rain an hour, and a 100-year storm drops 4.03 inches. Over 24 hours, a 10-year storm brings 6.47 inches. Gutters and downspouts should be cleared before the May to October wet season, when most of the annual rain falls.
Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the South Bay 2020 Census internal point (26.6884, -80.7355), read Oct 5, 2026
Palm Beach County
More in Palm Beach County
Sources for this page(27)
- 1.Median year homes were built: 1974. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
- 2.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, via Census Reporter API. Read Oct 5, 2026.
- 3.Share of homes built before 1980: 67.9%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
- 4.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
- 5.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
- 6.Hurricane Matthew (2016). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016). Read Oct 5, 2026.
- 7.Hurricane Dorian (2019). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019). Read Oct 5, 2026.
- 8.Florida Building Commission, 'Setting New Standards for Safety: The Florida Building Code' (2004 publication; wind-speed figures in it are outdated and not used). Read Oct 5, 2026.
- 9.U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25035, B25034, B25024, via Census Reporter API. Read Oct 5, 2026.
- 10.Mobile homes, share of housing units: 13.3%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25024, via Census Reporter API. Read Oct 5, 2026.
- 11.Permit office: City of South Bay - Planning and Building. City of South Bay - Planning and Building. Read Oct 10, 2026.
- 12.Hurricane Irma (2017). NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017). Read Oct 5, 2026.
- 13.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
- 14.NOAA NCEI U.S. Climate Normals 1991-2020 (access data service). Read Oct 5, 2026.
- 15.Wikipedia, 'South Bay, Florida' (revision 1377594144). Read Oct 5, 2026.
- 16.People (2020 Census): 4,860. U.S. Census Bureau, 2020 Census counts (POP100, HU100) via TIGERweb tigerWMS_Census2020 layer 26 (Incorporated Places). Read Oct 5, 2026.
- 17.Share of homes built 2010 or later: 4.6%. U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, via Census Reporter API. Read Oct 5, 2026.
- 18.Owner-occupied share of occupied homes: 59.8% (515 of 861). U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25003, via Census Reporter API. Read Oct 5, 2026.
- 19.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Matthew (AL142016), NOAA National Hurricane Center. Read Oct 5, 2026.
- 20.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Dorian (AL052019), NOAA National Hurricane Center. Read Oct 5, 2026.
- 21.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
- 22.2023 Florida Building Code, Building, 8th ed., Chapter 1 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
- 23.City of South Bay - Planning and Building, southbaycity.com. Read Oct 5, 2026.
- 24.2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), UpCodes (Florida Building Code transcription). Read Oct 5, 2026.
- 25.NOAA National Hurricane Center, Tropical Cyclone Report: Hurricane Irma (AL112017), NOAA National Hurricane Center. Read Oct 5, 2026.
- 26.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the South Bay 2020 Census internal point (26.6884, -80.7355), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
- 27.NOAA Atlas 14 Volume 9 version 2, partial-duration 24-hour depth estimates at the South Bay 2020 Census internal point (26.6884, -80.7355), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
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