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Effective July 1, 2015: All Building Plans Submitted must comply to the Florida Building Code FIFTH (2014) Edition



The building Department is responsible for
administering and enforce all ordinances
applicable to building, construction, blasting, and explosives as defined in the Monroe County Code.

Building officials are charged with administering and ensuring compliance with building codes. They issue building and construction permits and certificates of occupancy and supervise blasting within the county.

Permitting Process for Construction of Sewer Tie-In (One SF Residencency) and/or Associated Electric
Please refer to the Monroe County Building Department permitting procedures document for directions on obtaining permits.  Additionally, refer to the Florida Department of Health, Environmental Health, Onsite Sewage Programs webpage for direction on obtaining DOH permits.

"Public" (Commercial) Swimming Pools
There is a process in the State of Florida for the construction of “public” (commercial) swimming pools. Click Here to take a look at the process. Please refer to the Florida Department of Health Website for further details and application.

Inspectors are assigned to county offices in Marathon and Key Largo. At specified stages during building construction, the builder/contractor must request an inspection. Inspections are necessary before proceeding with construction and prior to the issuance of a Certificate of Occupancy.

Mission Statement
The mission of the Building Department is to protect public health and safety, property, and the environment by providing an efficient, effective, and considerate permitting and code administration system, in accordance with the Monroe County Code and Florida statues that is consistent with and furthers the Monroe County Comprehensive Plan.

Marathon Office
2798 Overseas Hwy.
Suite 330
Marathon, FL 33050
Ph: (305) 289-2501

Janice Antetomaso

Key Largo Office
Murray Nelson Government & Cultural Center
102050 Overseas Hwy.
Key Largo, FL 33037
Ph: (305) 453-8800

Lisa McGilvra

11601 CR 905
Key Largo, FL 33037
Ph: (305) 453-8765

Crystal Stebben

Stock Island Office
5503 College Road
Suite 203
Key West, Fl 33040
Ph: (305) 295-3990

Lobby Hours

Monroe County
1100 Simonton Street
Key West FL, 33040