Commercial roofs · Osceola County

Commercial roofing in Osceola County, FL

Osceola County had 171,410 housing units in the 2020-2024 Census estimate, so much of the roof area you manage is housing. That includes apartments, condo buildings and association-run clusters. The permit office is the Osceola County Building Office, and Kissimmee and St. Cloud also run their own permit counters.

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Updated October 2026

Corner building with a large colourful floral mural, a palm tree, and a parked car under blue sky. — Photo: Rivers Building, Kissimmee, Florida by Pokemonprime, CC BY 4.0, cropped

A low-slope roof section with a granulated cap sheet in the foreground meeting a gray shingle slope, neighboring homes and a cloudy sky behind. — Photo: Rivers Building, Kissimmee, Florida by Pokemonprime, CC BY 4.0, cropped

Commercial roofing in Osceola County, in short

Osceola County follows the regular Florida Building Code, not the High-Velocity Hurricane Zone, which covers only Miami-Dade and Broward. Low-slope roofs need at least a 2 percent slope, and permits come from the county, Kissimmee or St. Cloud depending on where the building sits.

Sources for this answer

Osceola County figures

The Osceola County numbers behind this page

Single-family detached share of housing units: 60.5%
Median year homes were built: 2002
Share of homes built 2010 or later: 27.4%
Share of homes built before 1980: 11.3%

Building stock

What commercial roofs Osceola County property managers actually manage

Single-family detached homes are 60.5 percent of the county's housing units. That leaves about 39.5 percent in apartments, townhomes, mobile homes and other types. That share is where association and multi-unit roofs come from.

The median home here dates to 2002, and 27.4 percent of units were built in 2010 or later. Only 11.3 percent predate 1980. That suggests most commercial and multi-unit roofs are younger than in older Florida counties, though many first-generation roofs on 2002-era buildings are likely nearing replacement.

Owners occupy 65.3 percent of occupied homes. In a condo or HOA building, a roof decision usually passes through a board vote and a reserve schedule, so get the scope in writing before the vote.

Code and permits

Which code applies and who permits the job

Only Broward and Miami-Dade fall inside the High-Velocity Hurricane Zone. Osceola County falls under the standard Florida Building Code, which means the HVHZ uniform roofing permit application and its product-approval stack do not apply here.

Where a building sits decides the counter you visit. St. Cloud lists a 140 mph ultimate design wind speed for Risk Category II buildings. Kissimmee says most projects still need a permit under its July 1, 2026 rules, and exempt work still requires notifying the City first.

The county's HB 803 permit exemption covers only qualifying single-family work and excludes any property in a flood hazard area. Commercial and multi-unit roofs should be treated as needing a permit. Confirm with the Osceola County Building Office before you schedule.

The 2023 code is in force now. The Ninth Edition applies to applications filed on or after December 31, 2026, so the filing date can change your spec.

Flat roof design

Low-slope systems, drainage and ponding water

New built-up, modified bitumen, single-ply, foam and liquid-applied roofs need a minimum slope of one-fourth unit in 12, which is 2 percent. Kissimmee 2 averages 52.57 inches of rain a year, and 24.77 inches fall from June to August. A roof that holds water through that season will fail early.

Code defines positive drainage as roof water gone within 48 hours of rain. Wherever a parapet could hold water, install secondary overflow drains or scuppers. Ask each bidder to show where the overflow sits.

Single-ply choices include TPO to ASTM D6878, EPDM to D4637 and PVC to D4434. Edge metal on these roofs must be tested to ANSI/SPRI ES-1 or RAS 111. Before bids, compare the named standard for each part, since two bids can use the same word for different products.

Recovering over an old roof is barred if the roof already has two or more coverings, or if it is water soaked. Hurricane Ian affected 900 business structures in the county, mostly by flooding, so wet insulation under a membrane is worth testing before any recover bid.

Comparing bids

How to compare commercial roofing bids

Confirm that the bidder is registered as a roofing contractor. Under Fla. Stat. 489.113(3), a general contractor must subcontract roofing unless certified or registered in it. Ask who will hold the permit and who will be on the roof.

Deck repair and sheathing replacement priced as separate line items, since roofing scope includes wood sheathing and fascia.
The 25 percent rule: more than 25 percent of a roof section in 12 months can trigger a full replacement of that section.
Named products with Florida product approval numbers, searchable on the Florida Building Commission site.
Record and post the Notice of Commencement before the first inspection takes place.

Hurricane Irma recorded a 58 kt peak gust at Kissimmee Gateway Airport and left 95 structures with major damage. Ask each bidder how the new edge metal and attachment will resist that load.

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Commercial roofs

Commercial roofing by town in Osceola County

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Questions

Commercial roofing in Osceola County: questions

Does Osceola County use the High-Velocity Hurricane Zone roofing rules?

No, because the High-Velocity Hurricane Zone covers just Broward and Miami-Dade counties. Osceola County follows the standard Florida Building Code, so the HVHZ uniform roofing permit application does not apply to a Kissimmee or St. Cloud job. St. Cloud still lists a 140 mph ultimate design wind speed for Risk Category II buildings, so wind design matters. Confirm the exact submittal list with the building office that issues your permit.

Source: Osceola County Building Office (Building and Permits), read Oct 5, 2026

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Who issues a commercial roofing permit in Kissimmee or St. Cloud?

It depends on where the building sits. The Osceola County Building Office handles county permits, and Kissimmee and St. Cloud run their own permit offices. Kissimmee says most projects need a permit under its July 1, 2026 rules, and exempt work still requires notifying the City first. Call the office for your parcel before you accept a bid that says no permit is needed.

Source: City of Kissimmee, Permits & Inspections, read Oct 5, 2026

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How flat can a commercial roof be in Osceola County?

A new low-slope roof must pitch at least one-fourth unit in 12, equal to 2 percent. That applies to built-up, modified bitumen, single-ply, spray foam and liquid-applied systems. Kissimmee 2 averages 52.57 inches of rain a year, with 24.77 inches from June to August, so water has to leave the roof within 48 hours. Overflow drains or scuppers are required where parapets could trap water.

Source: NOAA NCEI, U.S. Climate Normals 1991-2020 (annual/seasonal), access-data API, read Oct 5, 2026

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Can a new membrane go over my old commercial roof?

Sometimes, but not always. A recover is barred where the roof already has two or more coverings, where the old roof is water soaked, or where blisters are not cut and secured. Hurricane Ian affected 900 business structures here, mostly through flooding, so moisture scans are worth requesting. If the old roof fails those tests, the job becomes a tear-off to the deck.

Source: NWS Melbourne, Post Tropical Cyclone Report: Hurricane Ian (2022), read Oct 5, 2026

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What is the 25 percent rule for a commercial building?

Florida code says not more than 25 percent of a roof section may be repaired, replaced or recovered in any 12-month period unless the whole section is replaced or recovered. An exception covers roofs built or repaired under the 2007 code or later, where only the repaired part must meet current code. With a median build year of 2002 in the county, many roofs may not qualify for that exception.

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, tables B25034/B25035, read Oct 5, 2026

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How should an HOA board compare roofing bids in Osceola County?

Compare scope line by line. Ask for the product standard, the edge-metal test, deck repair as a separate item, the permit holder and the overflow drain plan. Owners occupy 65.3 percent of occupied homes here, so many boards answer to owners who will ask what each line buys. Check each contractor's license on the state lookup before the vote.

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, read Oct 5, 2026

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Osceola County