Building permits, zoning and septic rules in Marion County, Florida

At a glance

Building permit

Required under the Florida Building Code; owner-performed work up to $5,000 is exempt, but not in flood hazard areas or for electrical, plumbing, structural, mechanical or gas work¹⁸⁹

Zoning

Yes, under Land Development Code Article 4; Belleview and Dunnellon zone inside their own limits¹⁰¹¹⁵⁶

Permit fees

Annual fire inspection permit is $60 total; County Engineer inspections are $50 each; Building Safety's full fee schedule is not confirmed¹²¹³

Septic authority

Florida DEP administers permits and inspections⁷

Septic soils

Only 5.7% of soils rate free of severe limits for a conventional drain field¹⁴

Owner-builder

Allowed via an owner-builder affidavit at permit application¹⁵¹⁶

Guest RV use

Temporary permit required; limits depend on residential or agricultural zoning¹⁷¹⁸

Accessory dwelling

County policy supports units adjacent to single-family homes, especially in Urban Areas¹⁹

Current building code

Florida Building Code, 8th Edition (2023)²⁰²¹

Who to call

Contact details are copied from each office’s official page and were checked against it on October 16, 2026.

Do you need a building permit in Marion County, Florida?

Marion County requires a building permit for residential construction in the unincorporated county, and the Building Safety Division enforces the Florida Building Code and Florida Residential Code¹. Florida law requires the appropriate enforcing agency to issue a permit before covered construction, alteration, repair or demolition begins²². Marion County construction subject to the statewide code follows the Florida Building Code, 8th Edition (2023)²¹. That edition took effect December 31, 2023, and local technical amendments or other applicable local requirements may also apply²⁰. Under Marion County's unincorporated rules, an addition, alteration or repair of up to $5,000 performed by the property owner on their own property is exempt from permitting, and a prefabricated shed or temporary structure needs a permit once it exceeds 168 square feet⁸. Florida's own small-work exemption is narrower than it sounds: it does not apply to property partly or wholly in a flood hazard area, or to electrical, plumbing, structural, mechanical or gas work, and a project cannot be split to stay under the limit⁹. Florida lets the enforcing agency adopt reasonable permit fees, so ask Building Safety for the amount for your scope²³³. Published figures we could confirm are partial: an existing annual fire inspection permit costs a $20 Building Safety application fee plus a $40 fire inspection fee, $60 in total¹². Under the County Engineer's schedule effective October 1, 2023, a minor site plan is $150, a pre-application meeting is free and each inspection or re-inspection is $50¹³. Nonresidential farm buildings, farm fences and farm signs on bona fide agricultural land can qualify for a state exemption from building-code and local fee requirements, but floodplain rules still apply and the exemption does not turn a farm building into a residence²⁴.

Who is the Marion County building department, and how do you reach them?

Marion County's building department is the Building Safety Division, at 2710 E. Silver Springs Blvd. in Ocala, reachable at 352-438-2400 or buildingsafety@marionfl.org³. Zoning and land-use questions go to Planning & Zoning, part of Growth Services, at the same Silver Springs Blvd. address, at 352-438-2600⁴. Floodplain management has its own line inside that office, at 352-438-2675²⁵. Driveway connections onto a county road go through the Office of the County Engineer, at 352-671-8686²⁶. Marion County's Civic Access portal now handles permits for building, development review, driveway, right-of-way and zoning together in one system, so most applications start online³.

Does Marion County have zoning?

Marion County zones unincorporated land under Article 4 of its Land Development Code, with use, density, lot-size and building-bulk standards tied to the parcel's zoning classification¹⁰¹¹². Those county rules stop at city limits: Belleview and Dunnellon set zoning inside their own boundaries⁵⁶. Septic permits for those addresses still come from Florida DEP⁷. The county's comprehensive plan directs the Land Development Code to support accessory housing adjacent to single-family homes, particularly in Urban Areas, but that policy does not supply the current dimensional, permitting or occupancy rules for a specific accessory dwelling unit¹⁹. Ask Planning & Zoning to confirm the implementing rule for your parcel⁴. Lot size and setbacks are likewise district-specific: in the Ocala Ranch planned unit development's standard single-family areas, the cited minimum lot is 3,500 square feet and 35 feet wide, with 10-foot front and corner-side setbacks, 5 feet on each side, and a 10-foot rear setback that becomes 5 feet for an alley-loaded lot²⁷²⁸. Those Ocala Ranch figures are not countywide standards²⁷.

How do septic permits work in Marion County?

Florida DEP administers permitting and inspections for onsite sewage systems in Marion County⁷. A DEP-approved permit is required before constructing, repairing, modifying, abandoning or operating an onsite sewage treatment and disposal system, and applicable local requirements still apply²⁹. Only 5.7% of Marion County soils rate free of severe limits for a conventional drain field, so make septic feasibility an early contract contingency rather than assuming a standard system will fit¹⁴. Reach the DEP Onsite Sewage Program at 2600 Blair Stone Road, MS 3596, Tallahassee, Florida 32399-2400, at 850-245-4070 or ostds_feedback@floridadep.gov³⁰.

Can you live in an RV or tiny home on your land in Marion County?

Marion County has a temporary-use permit for one recreational vehicle hosting non-commercial guests on residentially zoned property, limited to 21 days in any 60-day period¹⁷. Agriculturally zoned property may host up to five recreational vehicles for non-commercial guests under the permit, limited to 60 days in any 365-day period¹⁸. Both routes require the owner's written approval, a site plan and an approved permit kept visibly on site¹⁷¹⁸. These guest-use rules do not confirm permanent or long-term RV residence, and we could not confirm a county rule for tiny-home occupancy; ask Planning & Zoning before relying on either use⁴. A manufactured home follows a clearer state path: compliant installation requires an onsite inspection and certificate of occupancy, while county zoning still determines where it may go³¹¹⁰.

Building a home in Marion County: the steps, in order

1. Confirm the parcel's zoning, setbacks and allowed dwelling type with Planning & Zoning at 352-438-2600⁴.
2. Confirm septic feasibility and obtain the required Florida DEP permit before constructing or operating an onsite sewage system²⁹.
3. Apply to Building Safety through Marion County's system for building, development-review and zoning permits³.
4. If the driveway reaches county right-of-way, include the driveway connection permit; a separate application is not required when it is submitted through the building-permit process²⁶.
5. If you will act as owner-builder, complete the required affidavit and accept responsibility for the work¹⁵¹⁶.
6. Schedule required inspections and obtain the certificate of occupancy before moving in; manufactured homes also require a compliant onsite installation inspection³¹.

What to check before you buy land in Marion County

Check zoning, septic feasibility, flood exposure, legal access and water before closing. Only 5.7% of Marion County soils rate free of severe limits for a conventional septic drain field, so make a satisfactory site evaluation part of the contract when sewer is unavailable¹⁴. Construction, repair or abandonment of a Florida water well requires a permit from the responsible water management district or delegated authority and generally calls for a licensed water-well contractor³². Ask the county floodplain program about the parcel at 352-438-2675²⁵, and ask the County Engineer about access to county right-of-way at 352-671-8686²⁶. About 66% of Marion County is wooded, 27.6% is federal land and 99.6% has a slope of 15% or less, making boundary, clearing and access checks as important as the terrain itself³³³⁴³⁵. The nearest city of 100,000 or more is about 36 miles from the county center³⁶.

Watch-outs

• Marion County's temporary RV permits cover non-commercial guests, not confirmed permanent residence; ask Planning & Zoning before planning to occupy an RV long term¹⁷¹⁸⁴.
• The Ocala Ranch minimum lot and setback figures apply only to that planned unit development; use the standards for your parcel's own zoning district²⁷²⁸.
• The county's accessory-housing policy does not state the complete current permit, dimension or occupancy rules for an accessory dwelling unit, so confirm the implementing Land Development Code provisions with Planning & Zoning¹⁹⁴.

Sources

1. Ordinance No. 25-13 — Marion County Building Code (2026 county census)
2. Ordinance No. 2018-14 — Marion County Land Development Code amendment, quoted and re-checked
3. Marion County Building Safety Division (marionfl.org)
4. Marion County Planning & Zoning (Growth Services) (marionfl.org)
5. Belleview: Belleview Code Sec. 134-245 Single-family residential (R-1) (Marion County), quoted and re-checked
6. Dunnellon: Dunnellon Zoning Appendix A, Section 2.2 Terms defined (Marion County), quoted and re-checked
7. Program Transfer, quoted and re-checked
8. Ordinance No. 25-13 — Marion County Building Code, quoted and re-checked
9. 2026 Florida Statutes, Section 553.79 — Permits; applications, issuance, inspections, quoted and re-checked
10. Notice of Public Hearing Concerning Article 4 Zoning Regulations (2026 county census)
11. Notice of Public Hearing Concerning Article 4 Zoning Regulations, quoted and re-checked
12. Existing Annual Fire Inspection Permit Application, quoted and re-checked
13. Resolution 23-R-254 — Marion County Office of the County Engineer Fee Schedule, quoted and re-checked
14. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
15. Owner Builder Disclosure Statement, quoted and re-checked
16. Owner Builder Disclosure Statement (2026 county census)
17. RV Parking Temporary Use Permit, quoted and re-checked
18. RV Parking Temporary Use Permit, quoted and re-checked
19. MARION COUNTY COMPREHENSIVE PLAN 2035, quoted and re-checked
20. Florida Building Commission website, quoted and re-checked
21. Florida Building Commission Building Codes, quoted and re-checked
22. Florida Statutes § 125.56 — Enforcement and amendment of the Florida Building Code (Florida statewide rule), quoted and re-checked
23. F.S. 553.79 — Permits; applications; issuance; inspections (Florida statewide rule), quoted and re-checked
24. Florida Statutes § 604.50, Nonresidential farm buildings; farm fences; farm signs (Florida statewide rule), quoted and re-checked
25. Marion County Planning & Zoning — Floodplain Management Program (marionfl.org)
26. Marion County Office of the County Engineer (marionfl.org)
27. Ocala Ranch PUD Text, quoted and re-checked
28. Ocala Ranch PUD Text, quoted and re-checked
29. Onsite Sewage FAQ - Permitting, quoted and re-checked
30. Florida Department of Environmental Protection — Onsite Sewage Program (floridadep.gov)
31. Florida Statutes § 320.8285: Onsite inspection (Florida statewide rule), quoted and re-checked
32. Water Well Contractor Licensing and Permitting (Florida statewide rule), quoted and re-checked
33. Wooded share of land: Bolthole Index county data
34. Federal land share: Bolthole Index county data
35. Share of land at 15% slope or less: Bolthole Index county data
36. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data

Written October 16, 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.