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Commercial roofs ยท Union Park

Commercial roofing in Union Park, FL

Union Park has 3,909 housing units, according to the Census Bureau's 2020-2024 five-year estimates, with a margin of error of plus or minus 354. Many of those units sit in multi-unit buildings and association communities, so a commercial or multi-family roof job here often falls under the same permit office and code as a single home. Property managers who compare bids should know who issues the permit and what the bid should cover.

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Updated October 2026

A low-slope roof section covered in a granulated cap sheet beside a gray shingle slope, with neighboring rooftops, palms and trees under a pale sky.

Permits and paperwork

Who permits a commercial roof job in Union Park

Union Park is an unincorporated census-designated place, so the Orange County Division of Building Safety issues the roof permit, not the city of Orlando. Ask any bidder to name the permit office and the permit number before work starts.

The county takes all new permit applications and inspection requests through its Fast Track online portal. Your contractor should file there and give you the permit record. Under Florida Building Code rules, a permit goes invalid if work does not start within 6 months of issue, and an application is treated as abandoned after 180 days without good-faith progress. A bid that starts in a year needs a new permit.

Florida's roofing contractor law says a general contractor cannot advertise as a roofing contractor unless certified or registered as one. Ask to see that credential on the bid, not just the company name.

Flat roofs and water

Flat roof drainage on Union Park buildings

Union Park gets heavy summer rain. Orlando International averages 51.45 inches of rain a year, and about 45 percent of it falls in June through August, by our arithmetic from the 1991-2020 normals. Flat or low-slope roofs on large buildings are most exposed to ponding in that season.

Florida's code calls for drainage within 48 hours of rain and requires a secondary overflow drain or scupper where a parapet could trap water. Ask each bidder whether the design gives positive drainage and where the overflow outlets will sit.

  • New low-slope roofs need at least a 2 percent design slope for built-up, modified bitumen, single-ply and liquid-applied systems.
  • Ask which membrane type is proposed and which ASTM standard it meets.
  • Ask whether the bid includes tear-off to the deck or recover, and why.

Comparing bids

How to compare commercial roofing bids

Compare bids on the same scope: the same membrane, the same tear-off or recover choice, the same edge metal and the same drainage plan. A low number that leaves out the Notice of Commencement or the overflow drains is not a cheaper roof.

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Questions

Commercial roofing in Union Park: questions

Who issues commercial roof permits in Union Park, FL?

Orange County's Division of Building Safety issues them, since Union Park is an unincorporated census-designated place with 10,452 residents in 2020. Filing runs through the county's Fast Track portal. Ask your contractor for the permit number before work begins. Confirm the current permit status with the county office.

Source: Orange County Division of Building Safety, read Oct 5, 2026

Related: Commercial roofing

How much rain falls on Union Park roofs each year?

Orlando International averages 51.45 inches of rain a year in the 1991-2020 normals. About 23.20 inches fall in June through August, roughly 45 percent of the year by our arithmetic. Flat roofs need working drains through that season.

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

Related: Commercial roofing

Do flat commercial roofs in Union Park need a slope?

Yes. New low-slope roofs need a design slope of at least one-fourth unit in 12, which is 2 percent, under Florida's code. Have every bidder explain how their design achieves positive drainage within 48 hours after rainfall. Also ask where the secondary overflow drains will go.

Source: FBC-B 2023 Ch. 15, read Oct 5, 2026

Related: Commercial roofing

Can a commercial roof in Union Park be recovered instead of torn off?

Sometimes. In Union Park's Orange County jurisdiction, recovering is barred, and a full tear-off to the deck is required, when the existing roof is water soaked, has two or more prior coverings, or has blisters that are not cut and secured. Ask the bidder which condition applies to your roof and put the answer in writing.

Source: 2023 Florida Building Code, Building, 8th ed., Chapter 15 (UpCodes viewer, unofficial transcription), read Oct 5, 2026

Related: Commercial roofing

Nearby

Commercial roofing near Union Park

Sources for this page(24)
  1. 1.Permit office: Orange County Division of Building Safety. Orange County Division of Building Safety. Read Oct 10, 2026.
  2. 2.Orange County Government, Division of Building Safety. Read Oct 5, 2026.
  3. 3.NOAA NCEI, U.S. Climate Normals 1991-2020 (annual/seasonal), access-data API. Read Oct 5, 2026.
  4. 4.Hurricane Matthew (2016). NWS Melbourne, Post Tropical Cyclone Report: Hurricane Matthew (2016). Read Oct 5, 2026.
  5. 5.Hurricane Irma (2017). NWS Melbourne, Post Tropical Cyclone Report: Hurricane Irma (2017). Read Oct 5, 2026.
  6. 6.Housing units (ACS 5-year): 3,909. U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API. Read Oct 5, 2026.
  7. 7.People (2020 Census): 10,452. U.S. Census Bureau, 2020 Census (TIGERweb tigerWMS_Census2020 MapServer: POP100, HU100, AREALAND, AREAWATER) (2020 Census count). Read Oct 5, 2026.
  8. 8.2023 Florida Building Code, Building, 8th ed., Chapter 1 (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 C-3 (the research cites it "as C-3").
  9. 9.Florida Statutes, section 489.113 (2026). Read Oct 5, 2026.
  10. 10.2023 Florida Building Code, Building, 8th ed., Chapter 15 (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 C-14 (the research cites it "as C-14").
  11. 11.2023 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).
  12. 12.FBC-B 2023 Ch. 15. 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 C-14 (the research cites it "as C-14").
  13. 13.Orange County Division of Building Safety, ocfl.net. Read Oct 5, 2026.
  14. 14.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Matthew (2016), National Weather Service. Read Oct 5, 2026.
  15. 15.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Irma (2017), National Weather Service. Read Oct 5, 2026.
  16. 16.Florida Statutes, section 713.135 (2026), Florida Legislature. Read Oct 5, 2026.
  17. 17.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  18. 18.U.S. Census Bureau, 2020 Census (TIGERweb tigerWMS_Census2020 MapServer: POP100, HU100, AREALAND, AREAWATER) (2020 Census count), U.S. Census Bureau. Read Oct 5, 2026.
  19. 19.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, table B25034, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  20. 20.U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates (acs2024_5yr), via Census Reporter API, tables B25034/B25035, U.S. Census Bureau (via Census Reporter). Read Oct 5, 2026.
  21. 21.Citizens Property Insurance Corporation, inspections FAQ (updated 2026-03-17), Citizens Property Insurance. Read Oct 4, 2026.
  22. 22.NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the Union Park 2020 Census internal point (28.5669, -81.2386), NOAA Hydrometeorological Design Studies Center. Read Oct 5, 2026.
  23. 23.U.S. Census Bureau, 2020 Census (TIGERweb tigerWMS_Census2020 MapServer: POP100, HU100, AREALAND, AREAWATER), U.S. Census Bureau. Read Oct 5, 2026.
  24. 24.NWS Melbourne, Post Tropical Cyclone Report: Hurricane Ian (2022), National Weather Service. Read Oct 5, 2026.

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Commercial roofing in Union Park

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