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County building permits

Unincorporated Lafayette County

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

Code adoption
2023 Florida Building Code, 8th Edition
Min. permit fee
$125
Last verified
April 2026
On this page 6
§ 01

Permit authority

Lafayette County Building Department

Street address
120 W. Main Street, Mayo, FL 32066
Coverage
All properties in unincorporated Lafayette County.
Online portal
Building Department Online Submission
County web submission
§ 02

When a permit is required

Permit triggers and exempt work for Lafayette County

A building permit is required for most construction in unincorporated Lafayette County, including new construction, additions, remodels, repairs, electrical, HVAC, plumbing, roofing, mobile homes, pools, driveways, and accessory structures.

Note: Lafayette County publishes owner-builder and owner-electrical exemption disclosure forms describing limited Florida statutory exemptions for qualifying owners. Applicants should confirm any claimed exemption with the Building Department before starting work.

Required documents
  • Completed permit application
  • Workers' compensation certificate or exemption
  • Copy of state contractor license
  • Copy of business tax receipt
  • Subcontractor list with trades if applicable
  • Health Department permit for septic if applicable
  • Site plan or current survey showing new building
  • Two sets of sealed drawings
  • One set of sealed truss drawings
  • Energy calculations
  • Manual J HVAC load calculations
  • Copy of recorded Notice of Commencement
  • Product approval sheet
Building code
2023 Florida Building Code, 8th Edition
Permit validity
Contact the Building Department for current permit validity periods.
Owner-builder
Owners must personally appear to sign if pulling the permit under an exemption and must directly supervise the work within Florida owner-builder limits.
Contractor requirements
Contractors must hold valid state licenses, workers' compensation insurance, and current business tax receipt.

Source: Lafayette County Building Department ↗

§ 03

Application process

Typical processing: Processing times vary by project type and completeness; contact the Building Department for estimate.

  1. 01
    Confirm the parcel is in unincorporated Lafayette County and not inside the Town of Mayo.
  2. 02
    Pull the correct county application form from the Forms & Guidelines page.
  3. 03
    Submit the permit package through the county's online submission page or email to buildingdept@lafayettecountyfl.org.
  4. 04
    Include all required supporting documents specific to the permit type, including septic documentation, site plan, plans, truss package, energy documents, and Notice of Commencement when required.
  5. 05
    Pay permit fees through the county online payment system or with the Building Department.
  6. 06
    Complete county inspections and obtain final approval before occupancy, power release, or project closeout.

Typical processing time: Processing times vary by project type and completeness; contact the Building Department for estimate.

Source: Lafayette County Building Department ↗

§ 04

Fee schedule

Effective October 1, 2025

Fee type
Amount
01
Minimum permit fee
$125
02
Plan check fee
Included in permit fee
03
Permit fee formula
Residential conditioned space: $0.50/sq ft; Residential unconditioned space: $0.40/sq ft; Commercial conditioned space: $0.60/sq ft; Commercial unconditioned space: $0.50/sq ft
04
Trade permit fee
$125 for electrical, plumbing, HVAC, roof, gas, floating docks, demolition, residential re-roof, agricultural poles, electrical upgrades, and electrical 200 amps base
05
Reinspection fee
$40

DocuSign fee: $20. Impact fee: $412.50 effective October 1, 2025 for all new dwelling units including RVs.

Fees change periodically. Confirm at the official fee schedule ↗ (effective October 1, 2025) before budgeting.

§ 05

Required inspections

Scheduling and sequence

How to schedule
  • 386-294-3611 (phone)
  • buildingdept@lafayettecountyfl.org (email)
Inspection hours
Monday through Friday, 8:00 AM to 5:00 PM

Typical sequence: Final-inspection prerequisites vary by permit type and must be confirmed with the Building Department.

Source: Lafayette County Building Department ↗

§ 06

Frequently asked

Common questions about unincorporated Lafayette County permits

01 Do I need a building permit in unincorporated Lafayette County, FL?
A building permit is required for most construction in unincorporated Lafayette County, including new construction, additions, remodels, repairs, electrical, HVAC, plumbing, roofing, mobile homes, pools, driveways, and accessory structures.
02 How much does a building permit cost in unincorporated Lafayette County, FL?
Building permit fees in unincorporated Lafayette County, FL are set by the local building department and vary by project type and valuation. The minimum permit fee is $125. Fees are calculated as: Residential conditioned space: $0.50/sq ft; Residential unconditioned space: $0.40/sq ft; Commercial conditioned space: $0.60/sq ft; Commercial unconditioned space: $0.50/sq ft. Plan check fee: Included in permit fee.
03 How do I apply for a building permit in unincorporated Lafayette County, FL?
To apply for a building permit in unincorporated Lafayette County, FL, follow these steps: 1. Confirm the parcel is in unincorporated Lafayette County and not inside the Town of Mayo. 2. Pull the correct county application form from the Forms & Guidelines page. 3. Submit the permit package through the county's online submission page or email to buildingdept@lafayettecountyfl.org. 4. Include all required supporting documents specific to the permit type, including septic documentation, site plan, plans, truss package, energy documents, and Notice of Commencement when required. 5. Pay permit fees through the county online payment system or with the Building Department. 6. Complete county inspections and obtain final approval before occupancy, power release, or project closeout.
04 How long does it take to get a building permit in unincorporated Lafayette County, FL?
Building permit processing times in unincorporated Lafayette County, FL typically run Processing times vary by project type and completeness; contact the Building Department for estimate.. Timelines can vary based on project complexity and current department workload.
05 How do I schedule a building inspection in unincorporated Lafayette County, FL?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Lafayette County, FL via: 386-294-3611, buildingdept@lafayettecountyfl.org.
last verified April 2026 source Lafayette County Building Department ↗ entry id permits/florida/lafayette/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with Lafayette County Building Department before applying. Jaspector is not legal advice.