Key Largo roofing company · Monroe County Upper Keys roofs between the ocean and the bay

Key Largo is where Perkins works most in the Florida Keys. It is unincorporated Monroe County, so the county building office in the Murray Nelson Government Center issues the roof permit, and Monroe is outside the High Velocity Hurricane Zone. We repair and replace metal, shingle, tile and flat roofs here, with the county paperwork and the flood rules in mind, from the Miami office.

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    Miami office Keys work dispatched from Miami
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    Monroe County permit Key Largo office, online via OPAL
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    Not HVHZ FBC 202 names Broward and Miami-Dade
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    Median home 1983 A third held for seasonal use
1980 family-founded 6 counties 2 offices 4.8 Miami (175) · 5.0 Jupiter (53) on Google

Satellite map

Key Largo in Monroe CountyInteractive satellite map locating Key Largo, with the verified Census place boundary and Florida Building Code wind-speed contour lines overlaid.Loads an interactive satellite map when selected.
Verified data layer Open the authoritative boundaries and overlays
Key Largo Design wind speed contour · 160 / 170 / 180 mph · FBC Fig. 1609.3(1)
Expect the permit from
Monroe County's building department Key Largo is a Census Designated Place — a named community with no municipal government and no building department of its own.
High Velocity Hurricane Zone
No. The code defines the HVHZ as Broward and Miami-Dade counties only, and Monroe County is not one of them.
Design wind speed contours crossing Monroe County
160 mph 170 mph 180 mph 180 mph Ultimate design wind speed, Risk Category II, from Florida Building Code (2023) Figure 1609.3(1). The governing value for a specific address is set by the design professional and confirmed by the building official.
Key Largo within Monroe County. The dashed lines are ultimate design wind speed contours from Florida Building Code (2023) Figure 1609.3(1), Risk Category II. They are lines, not zones: which side of one an address falls on is a design determination for the design professional and the building official, not something a web page can settle. Census boundaries, 2023 vintage — they locate an address, they are not a determination of jurisdictional authority. Boundaries: U.S. Census Bureau, 2023 Cartographic Boundary FilesWind speed lines: Florida Building Code (2023) Figure 1609.3(1), Risk Category II, via the University of Florida GeoPlan Center / Florida Geographic Data Library (FGDL)
Key Largo within Monroe County. An outline of Monroe County with Key Largo marked, and the ultimate design wind speed contours that cross the county drawn as dashed lines at 160 and 170 and 180 mph. The same facts are listed beneath the map.
Esri satellite imagery + verified Census and FBC data Locate Key Largo and its permitting authority

Key Largo roofing company · Monroe County · complete briefing

Key Largo roofing and permitting guide

Our work here

Perkins roofs in Key Largo

75 Perkins jobs documented in Key Largo since April 2022. See them on the project map.

Every job on the map is documented by our crews in CompanyCam and shown at city level only. We never publish a customer’s address.

    The building stock

    Houses from the 1970s and 1980s, many of them second homes

    Key Largo is a Census designated place, not a city: about 12 square miles of land in unincorporated Monroe County, with John Pennekamp Coral Reef State Park, the country’s first undersea park, offshore. Census figures count about 8,700 homes with a median year built of 1983; 29 percent date from the 1970s and 27 percent from the 1980s. Sixty-three percent are single-family detached houses, and about a third of all homes are held for seasonal or recreational use.

    A roof on a second home can leak for weeks before anyone sees the stain, so on Key Largo we look hard at flashings, fasteners and roof penetrations, where salt air does its work first, and put what we find in writing with photos.

    Code and flood

    Outside the HVHZ, inside the flood rules

    Section 202 of the Florida Building Code defines the High Velocity Hurricane Zone as Broward and Miami-Dade counties, so Key Largo is not in it. The county’s residential re-roof requirements accept either a Florida Product Approval or a Miami-Dade Notice of Acceptance, require the roof assembly to meet the components-and-cladding pressures on the county worksheet, call for asphalt shingles rated ASTM D3161 Class F, ASTM D7158 Class H or TAS 107 with six nails per shingle, and list sheathing, dry-in, in-progress, flashing and final inspections. The county also has a notarized roof inspection affidavit for deck nailing and sheathing thickness.

    Unincorporated Monroe County holds a Community Rating System Class 3 in the National Flood Insurance Program. Under its substantial improvement rule, a home improved or repaired for more than half its market value must be elevated above the flood level, and the county lists roofing materials among the costs that count toward that 50 percent. On an older, low house a full re-roof is worth pricing against that threshold before the contract is signed.

    Permitting authority

    Roofing permits in Key Largo

    Department
    Monroe County Building Department, Key Largo office
    Address
    Murray Nelson Government & Cultural Center, 102050 Overseas Highway, Key Largo, FL 33037
    Phone
    305-453-8800

    Checked against the city’s published information on September 25, 2026 (source). Perkins prepares and pulls the permit for every roof we install; requirements can change, so we confirm them for your address.

    What we do here

    Roof repair and replacement in Key Largo

    Repair

    Every Key Largo roof sits between the Atlantic and Florida Bay, and salt air works on fasteners, flashings and metal edges first. We repair where repair is right and say in writing when a roof is due.

    Replacement

    Key Largo is unincorporated, so the Monroe County Building Department issues the permit, online through OPAL only. A recorded notice of commencement goes in before the first inspection on jobs over $5,000.

    Roof systems

    Monroe is outside the HVHZ, and the county’s re-roof sheet accepts either a Florida Product Approval or a Miami-Dade NOA. Shingles must be rated ASTM D3161 Class F, D7158 Class H or TAS 107.

    Selling the house? See roof certification for a Florida home sale.

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    How we cover it

    Served from the Miami office

    Perkins Roofing has two Florida offices, Miami and Jupiter. Key Largo is covered from the Miami office, 305-642-7663. Contact details and directions are on the Miami office page; other towns nearby are on the Monroe County service area page.

    Want a rough number before anyone visits? The roof calculator measures your roof from satellite imagery and shows a rough South Florida price estimate by material. It is not a quote; your price comes from a measured inspection and a written proposal.

    Questions

    Key Largo roofing FAQ

    Is Key Largo in the High Velocity Hurricane Zone?

    No. Section 202 of the Florida Building Code defines the High Velocity Hurricane Zone as Broward and Miami-Dade counties, and Key Largo is in Monroe County. Monroe County’s re-roof requirements accept a Florida Product Approval or a Miami-Dade Notice of Acceptance, and the roof still has to meet the design pressures on the county worksheet.

    Who issues roofing permits in Key Largo?

    Monroe County, because Key Largo is unincorporated. The county building department’s Key Largo office is in the Murray Nelson Government & Cultural Center, 102050 Overseas Highway (305-453-8800), with a second office at Ocean Reef. Applications go in online through the county’s OPAL system; paper applications are not accepted. Perkins prepares and pulls the permit for the roofs we install.

    Does a new roof count toward the 50 percent flood rule?

    It can. Monroe County lists roofing materials among the costs counted toward substantial improvement, and a home improved or repaired for more than half its market value must be elevated above the flood level. The county advises checking how much of the threshold recent work has already used. We give you the cost breakdown the county asks for.

    Which Perkins office serves Key Largo?

    The Miami office, 305-642-7663, which covers Miami-Dade, Broward and Monroe counties. Perkins does not have an office in the Keys.

    Free estimate

    Get a straight answer on your Key Largo roof.

    Repair when repair is right, replacement when it is not, and a written reason either way.

    Estimates and permits run from the Miami and Jupiter offices · Tim Kanak, President

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