Miami Beach · Miami-Dade County

Flat Roof Replacement in Miami Beach

Some of Miami Beach's older houses and small apartment buildings were designed with flat roofs.

Call 305-209-0247 Book a free inspection

FL Certified Roofing Contractor CCC1335466

The city's own historic designation reports describe Mission Revival buildings with flat roofs behind curved parapets drained by scuppers, and post-war buildings with flat roofs and projecting or boxed eaves. On those buildings the parapet, the scuppers and the roof edge are part of what makes the building historic, and the city has 14 local historic districts where changes are reviewed against Certificate of Appropriateness criteria. Add the High-Velocity Hurricane Zone rules for low-slope roofs and a permit from the city's own Building Department, and a flat re-roof here answers to three sets of rules.

The flat roofs Miami Beach is known for

The designation reports describe which buildings have parapets and flat roofs. Mediterranean Revival buildings, common from the mid-1910s to the early 1930s, pair low-pitched terra cotta and Cuban tile roofs with scrolled or tile-capped parapet walls. Mission Revival buildings, described in the Palm View district report, typically have flat roofs with curved parapets and roof scuppers. In the Med/Deco transition of the 1930s, clean stepped rooflines replaced scrolled parapets. After the war, the Flamingo Waterway report points to a group of four Post War Modern buildings at 4710-4720 Pinetree Drive with flat roofs and boxed eaves, and the city notes that flat roofs with projecting eaves are a signature of MiMo, found mostly in Mid and North Beach.

What that means for a re-roof: the membrane is usually hidden, but the parapet caps, the scuppers and the eave edge are visible, and on a historic building they are the parts you should plan to keep as they are.^1,2,3

Historic district review comes first

Miami Beach has 14 local historic districts, and every property in one is classified as Contributing or Non-Contributing; you can look yours up in the city's Historic Property Viewer. Modifications to both kinds of building are reviewed against the Certificate of Appropriateness criteria in Chapter 118 of the City Code, and some need Historic Preservation Board approval.

Not every job goes to the Board. The Planning Department's FAQ says repairs, façade and building restoration, and several other minor items may be approved by staff, as long as the scope of work satisfies the Certificate of Appropriateness criteria. Work that does go to the Board is generally scheduled for a hearing three to four months out, and the first step is a pre-application meeting with staff. If your re-roof would change a parapet, a scupper, the eave or the roofline, ask Planning which path your scope takes before you sign a contract, because the answer can move your start date by months.⁴

The permit and the HVHZ rules for low-slope roofs

Miami Beach issues its own permits. The application must be signed and notarized by the owner or the owner's representative and by a registered contractor, and it is submitted online through the city's Civic Access portal.

The roof itself follows the High-Velocity Hurricane Zone chapters of the Florida Building Code. Every component needs a product approval. Insulation boards need their own product approval and are attached following the roof assembly's approval and RAS 117. A flat roof must be inspected before the membrane attachment is covered, so the inspector sees the fastening, not just the finished surface. The HVHZ permit application goes in with the product approvals, and on a re-roof your contractor must walk you through the Owner's Notification for Roofing Considerations. One warning on that form fits this city's parapet buildings exactly: roofs with perimeter walls may need overflow scuppers.^5,6

Which retrofit rules apply to a flat roof here

Florida Statute 553.844 requires certain upgrades when the roof is replaced on an older site-built single-family home: better deck attachment, a secondary water barrier and, at an insured value of $300,000 or more, roof-to-wall connection retrofits capped at 15% of the re-roof cost. The statute covers site-built single-family homes, and the city's roofing permit requirements sheet narrows it further: only sloped hip or gable roofs have to comply. The sheet also lists townhouses, duplexes, apartment buildings and condominiums as exempt.

The statewide code points the same way on the water barrier: roofs with a slope under 2:12 and a continuous roof system are deemed to comply. So the work on a typical flat roof centers on the membrane system, its insulation and attachment, and the drainage. The Owner's Notification still warns that the deck may need renailing once the old roof is off, so plan for what the tear-off reveals. The city's sheet dates from April 2019 and cites the 2017 code, so confirm it with the Building Department when you file.^6,7,8,9

Questions

My building is in a historic district. Does a new flat roof need the Historic Preservation Board?

Not always. The Planning Department says repairs and restoration may be approved by staff if the work meets the Certificate of Appropriateness criteria. Changes to visible parts such as parapets or the roofline are more likely to need review, so ask Planning before you schedule the job.

Why would my roof need overflow scuppers?

A parapet turns a flat roof into a tray. The HVHZ Owner's Notification for Roofing Considerations warns that roofs with perimeter walls may need overflow scuppers, so water has a way out if the main drains or scuppers clog.

I own a small apartment building. Do I have to do roof-to-wall retrofits when I replace the flat roof?

The city's roofing requirements sheet says apartment buildings and condominiums are exempt from the Florida Statute 553.844 mitigation requirements, and that only sloped hip or gable roofs on site-built single-family homes must comply. Confirm with the Building Department when you file.

Sources

Facts on this page come from these public sources. Last checked September 2026.