Key Largo, FL · Monroe County · Permit search guide
Key Largo permit search and official portals.
Monroe County Building and Permitting (Building Department) issues building permits in Key Largo. This guide links the official permit search and explains how to look up a record.
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Guide reviewed Nov 11, 2026. Permit Press is an independent research service, not a government website.
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Step by step
How to search permits in Key Largo.
Start with the office for the property's address. The official source shows the permit's current status, inspections and documents.
Know who issues the permit
Monroe County Building and Permitting (Building Department) issues building permits in Key Largo. Key Largo is in unincorporated Monroe County, so the county Building Department issues its permits; the county's Key Largo office is at the Murray Nelson Government & Cultural Center, 102050 Overseas Hwy., 305-453-8800.
Open the official permit search
Open Monroe County Oracle Permitting and Licensing (OPAL), which runs on Oracle OPAL. Apply for permits and pay fees online, and search current permits via 'Explore Your County' or by parcel.
Search by address or permit number
Search with the street address or the permit number where the portal offers those fields, then open the record for its status, inspections and documents.
Ask the office about older records
If a permit is missing online, ask Monroe County Building and Permitting (Building Department) (305-294-4641) how to request it. Older permits are not always in online systems.
Good to know
Before you search
Key Largo permits.
From the city's and county's own pages, checked Nov 11, 2026. Each note links the page it comes from.
Monroe County Building and Permitting (Building Department): Key Largo is in unincorporated Monroe County, so the county Building Department issues its permits; the county's Key Largo office is at the Murray Nelson Government & Cultural Center, 102050 Overseas Hwy., 305-453-8800.
monroecounty-fl.govThe county runs permitting offices in Key West, Stock Island, Big Pine Key, Marathon, Key Largo and Ocean Reef, serving the public 8:30 a.m. to 3 p.m.
monroecounty-fl.gov
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