City Building Permits

Marathon, FL Building Permit Guide

How to apply for a building permit in Marathon, Florida. Permit authority, application steps, fees, and inspection requirements.

Florida Monroe County Updated March 2026

Permit Authority

Marathon runs its own building department and permit portal inside city limits.

Department
City of Marathon Building Department
Address
9805 Overseas Highway, Marathon, FL 33050
Phone
(305) 289-5052
Website
https://www.ci.marathon.fl.us/building

Online Permit Portal

Open OpenGov / Viewpoint Cloud

Platform: OpenGov • Account required: Yes • Submission: Online only

Application Process

  1. Confirm the project is inside Marathon city limits.
  2. Create a portal account and submit the permit application online with plans and supporting documents.
  3. For new construction, pools, tiki huts, or accessory structures, a foundation survey/sealed site plan showing the exact location and setbacks is required; hand-drawn documents are not accepted.
  4. Respond to plan-review comments and wait for city notice that the permit is ready for payment. Do not pay through the portal until a comment says the permit is ready for payment.
  5. For emergency work, immediate emergency repairs are allowed, but the application must be received within 48 hours after work starts and an explanatory email sent to the Building Department.
  6. Obtain inspections and final approval.

Source: City of Marathon Building Department

General Requirements

A building permit is required for construction within the City of Marathon.

Permit validity
A permit becomes null and void if the work does not receive another approved inspection every 180 days.
Building code
Florida Building Code and Marathon city codes, ordinances, and land development regulations.
Contractor requirements
The city enforces the Florida Building Code and its own codes, ordinances, and land development regulations. No inspections will be made unless the permit card is displayed and approved plans are available on site.

Fees

Payment note
In-person payment: check or cash only, exact amount; no credit cards accepted in person. BPAS application fee of $600 (waived for affordable applications if identified timely).

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the City of Marathon Building Department to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

  • Portal request (online)
  • (305) 289-4133 (phone)
  • inspections@ci.marathon.fl.us (email)
Scheduling deadline
Requests before 3:30 p.m. are scheduled for the next inspection day. Requests after 3:30 p.m. are performed within the next two business days.

Typical inspection sequence: Mechanical, electrical, and plumbing inspections are completed on Mondays, Wednesdays, and Fridays only.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Marathon Building Department before applying.

Need help with your project?

Navigating permits in Marathon can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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