Lafayette County, Florida requires building permits, with the county Building Department handling zoning review, plan review, permits, and inspections12. County land-development rules govern unincorporated Lafayette County, while the Florida Department of Health in Lafayette County permits and inspects septic systems34.
At a glance
- Building permit
- Required; the Lafayette County Building Department reviews plans, issues permits, and performs inspections12
- Zoning
- County zoning and land-development rules apply in unincorporated Lafayette County3
- Septic permits
- Handled by the Florida Department of Health in Lafayette County45
- RV living
- One travel trailer per parcel for up to 180 days in A-1, A-2, A-3, and ESA districts6
- Tiny home
- No separate tiny-home rule confirmed; classification and zoning must be checked with the Building Department3
- Owner-builder
- Allowed conditionally when the owner directly supervises the work and follows the statutory restrictions7
- Minimum dwelling floor area
- 150 sq. ft. for the first occupant plus 100 sq. ft. for each additional occupant in unincorporated areas8
- Well permit
- Required before constructing, repairing, or abandoning a water well9
Who to call
Building permits
Lafayette County Building Department
Building permits, zoning review, plan review, inspections, and zoning administration
120 W. Main Street, Mayo, FL 32066
Septic permits
Florida Department of Health in Lafayette County, Environmental Public Health
Regulation, permitting, and inspection of septic tank systems in Lafayette County
140 SW Virginia Circle, Mayo, FL 32066
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Lafayette County, Florida?
Yes. Lafayette County's Building Department reviews zoning and building plans, issues permits, and inspects work for compliance with the Florida Building Code, FEMA rules, and county standards12. The Florida Building Code applies statewide, so the county does not need to adopt it separately10. A qualifying nonresidential farm building, farm fence, or farm sign on land used for bona fide agriculture is exempt from the building code and county code or fees, but the exemption does not cover a home and does not displace floodplain rules11. An owner may act as contractor for a qualifying home or farm outbuilding only while personally providing direct onsite supervision, complying with local permitting rules, and observing the exemption's occupancy and sale restrictions7.
Who issues Lafayette County building permits, and how do you reach them?
The Lafayette County Building Department is the first stop for building permits, zoning review, plan review, and inspections12. The office is at 120 W. Main Street, Mayo, FL 32066, and its phone number is (386)-294-361112. Residential permit pricing is $0.50 per square foot of conditioned space and $0.40 per square foot of unconditioned space; the published schedule also lists a $412.50 impact fee for new dwelling units, including RVs, effective October 1, 202513. The same schedule lists a $25 zoning-compliance fee and a $25 driveway permit, but it does not say when every driveway requires that permit13. Contact the Building Department before filing to confirm the forms, calculated total, parcel zoning, floodplain review, and whether the driveway charge applies to the proposed access12.
Does Lafayette County have zoning?
Yes. Lafayette County's Land Development Regulations apply throughout the county's unincorporated area3. Rural dimensional rules depend on the district: an A-1 homesite has a 40-acre minimum lot and 660-foot minimum width, A-2 has a 10-acre minimum and 330-foot width, and A-3 has a 5-acre minimum and 230-foot width14. Standard agricultural-district yards also vary: A-1 requires 100 feet in front, 50 feet on the side, and 100 feet in the rear; A-2 requires 100, 35, and 50 feet; and A-3 requires 50 feet on every side15. Agricultural-district buildings may cover no more than 20% of the lot and ordinarily may not exceed 35 feet in height, subject to stated exceptions1617. Ask the Building Department to identify the parcel's district before applying these figures12.
How do septic permits work in Lafayette County?
The Florida Department of Health in Lafayette County regulates, permits, and inspects septic tank systems5. Its Environmental Public Health office is at 140 SW Virginia Circle, Mayo, FL 32066, and the phone number is 386-294-132118. Lafayette County's building-permit checklist requires contractors and property owners to provide a copy of the health department septic permit, so start the septic work early enough to support the building application19. Florida also requires inspection before an onsite sewage system is covered or placed into service, followed by final installation approval when the system complies20. USDA soil data rates 0% of Lafayette County soils as free from severe limits for a conventional drain field, making the site evaluation especially important before choosing a house location21. A private well has its own permit requirement through the appropriate water management district or delegated authority9.
Can you live in an RV or tiny home on land in Lafayette County?
In unincorporated Lafayette County's A-1, A-2, A-3, and Environmentally Sensitive Area districts, the rules allow one travel trailer on a parcel for no more than 180 days; that permission excludes travel-trailer parks6. During active construction or development, a mobile home or travel trailer may serve as a residence, office, security shelter, or materials shelter, but use ordinarily cannot continue beyond 12 months without county commission approval based on continuing construction22. Lafayette County also allows a mobile home as an accessory residence in an agricultural district for relatives of the family in the principal home, subject to separation and temporary-use permit conditions23. We could not confirm a separate tiny-home classification, so ask the Building Department whether a proposed unit will be treated as a dwelling, manufactured home, mobile home, park trailer, or travel trailer and which district rules apply12. The unincorporated-area dwelling standard requires at least 150 square feet for the first occupant and 100 more for each additional occupant8.
What are the steps to build a home in Lafayette County?
- Ask the Building Department to confirm the parcel's zoning district, allowed residential use, setbacks, access, and floodplain requirements123.
- Arrange the health department's septic review and obtain the septic permit required for the county building-permit file1819.
- Obtain the separate water-well permit if the property will use a private well9.
- Submit the building plans for county zoning review and Florida Building Code plan review, then pay the calculated permit fees213.
What should you check before buying land in Lafayette County?
Confirm zoning and legal access before treating a rural tract as buildable3. If the parcel resulted from a division, verify that the final plat received county approval and was filed with the Clerk, because unincorporated Lafayette County regulates subdivisions and bars permits for nonconforming post-regulation parcels25. Test the proposed homesite for septic suitability early: 0% of county soils are rated free of severe limitations for a conventional drain field21. Check river and wetland constraints as well; agricultural districts require structure setbacks of at least 35 feet from wetlands, 75 feet from the Suwannee River, and 50 feet from other perennial rivers, streams, and creeks, except for permitted docks, walkways, and piers15. Lafayette County is heavily wooded, with 81.3% forest cover, so include clearing and access work in the site budget26. The effective property-tax rate is about 0.6%, and the median annual property-tax bill is about $8502728.
Watch-outs
- The 180-day travel-trailer allowance is limited to specified rural and environmentally sensitive zoning districts; it is not a blanket permission for every parcel in Lafayette County6.
- A mobile home or travel trailer used during construction ordinarily cannot remain beyond 12 months without county commission approval and a finding that construction is continuing22.
- We could not confirm a distinct tiny-home category or a general county certificate-of-occupancy procedure; get the proposed unit's classification and final-approval requirements from the Building Department before purchase12.
Sources
- Lafayette County Building Department (2026 county census)
- Lafayette County Building Department | Permits, Inspections & Codes, quoted and re-checked
- Planning & Zoning | Lafayette County BOCC, quoted and re-checked
- Florida Department of Health in Lafayette County – Onsite Sewage Disposal (2026 county census)
- Septic Systems - Florida Department of Health, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- 2024 Florida Statutes — F.S. 489.103 Exemptions, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Water Well Contractor Licensing and Permitting, quoted and re-checked
- Florida Statutes § 553.73, Florida Building Code, quoted and re-checked
- Florida Statutes § 604.50, Nonresidential farm buildings; farm fences; farm signs, quoted and re-checked
- Lafayette County Building Department (lafayettecountyfl.org)
- Permit Fee Schedule | Lafayette County BOCC, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Florida Department of Health in Lafayette County, Environmental Public Health (lafayette.floridahealth.gov)
- Permitting Requirements, quoted and re-checked
- Onsite Sewage Program (Florida statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Lafayette County Land Development Regulations, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- F.S. 553.79 — Permits; applications; issuance; inspections, quoted and re-checked
- Lafayette County Land Development Regulations, quoted and re-checked
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 28, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.