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

At a glance

Building permit

Required for construction that changes or adds structures in Jacksonville¹

Zoning

Yes in Jacksonville, by zoning district; Atlantic Beach, Neptune Beach, Jacksonville Beach and Baldwin zone separately²⁴

Owner-builder exemption

Yes in Jacksonville, for your primary residence, not one built for sale, rent or lease; you must appear in person⁵

Septic permits

Required through the Florida Department of Health in Duval County³⁶

Notice of commencement

Required once improvements exceed $5,000 ($15,000 for mechanical work only)⁷

RV living on your own land

Not allowed for living, sleeping or housekeeping on a residentially zoned lot in Jacksonville, unless the location is approved for it⁸

Inspections

Set during Jacksonville permit review and requested as work progresses⁹

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 Duval County, Florida?

Yes, in the Jacksonville portion of Duval County: a building permit is required for construction that physically changes or adds structures, subject to the minor-work exceptions listed by the city¹. Jacksonville currently enforces the Florida Building Code, 8th Edition (2023)¹⁰. Required inspections are identified during permit review, and the permit holder must request them as work proceeds⁹. After the work and required inspections are complete, Jacksonville issues a certificate of occupancy or certificate of completion as applicable¹¹. Atlantic Beach, Neptune Beach, Jacksonville Beach and Baldwin have separate building and zoning departments, so do not use Jacksonville's process for a parcel inside one of those municipalities². Jacksonville's building permit fee for new buildings and additions is $6.38 per 100 square feet of enclosed area for up to four stories, with a minimum fee, and separate electrical, plumbing and mechanical permits carry their own fees¹².

Who issues building permits in Duval County, and how do you reach them?

For property in Jacksonville's jurisdiction, contact the City of Jacksonville / Duval County Building Inspection Division at 214 N. Hogan St., Room 280, Jacksonville, FL 32202, or call (904) 255-8500, option 4⁷. Jacksonville requires electronic submission for all permit types, with plans moving through the applicable development, agency, sufficiency and plan reviews before payment and final building review¹³. The Zoning Section can be reached at (904) 255-8300 for parcel-specific zoning questions¹⁴. Atlantic Beach, Neptune Beach, Jacksonville Beach and Baldwin operate separate departments, so first identify the municipality that governs the parcel². Jacksonville homeowners using the owner-builder route must appear in person at the Building Inspection Division, the home must be their primary residence and not for sale, rent or lease, and licensed or registered subcontractors must pull the electrical, plumbing and mechanical permits⁵. Septic permits stay with the Florida Department of Health in Duval County for every Duval address, whichever city's building office issues the building permit³.

Does Duval County have zoning?

Yes, but not from one office. Jacksonville's zoning code applies to land and structures across the consolidated city-county². Inside Atlantic Beach and Baldwin, each sets zoning under its own code instead¹⁵¹⁶. Neptune Beach and Jacksonville Beach also keep their own zoning and building departments¹⁷. Septic is the exception: the county health department handles it everywhere in Duval County³.

Jacksonville has numerous zoning districts, and each lists its own permitted uses and standards for setbacks, density and height, so the answer for a parcel depends on its district⁴¹⁸¹⁹. Permit review also checks zoning designation, structure height, lot size, coverage and setbacks¹⁴. Dividing land is not automatic: subdivision eligibility depends on the zoning district, road frontage and access, acreage and other parcel-specific factors²⁰. As one example, Jacksonville's RLD-60 district permits single-family dwellings on lots of 6,000 square feet and lets structures cover up to 50% of the lot²¹²².

We could not confirm a minimum dwelling size or countywide RV and tiny-home rules; ask the zoning office for the parcel's municipality.

How do septic permits work in Duval County?

The Florida Department of Health in Duval County handles septic-tank permits and inspections, while the Florida Department of Environmental Protection implements the governing statutes and regulations³. Duval's onsite sewage program uses permitting and inspection to ensure systems are properly designed, built and maintained; operating permits also apply to specified advanced, commercial and industrial systems⁶. Reach Environmental Health at 921 N. Davis St., Building B, Suite 350, Jacksonville, FL 32209, by phone at 904-253-1280, or at duvaleh@flhealth.gov²³. A site evaluation is required for a new system²⁴. Only about 0.3% of Duval County soils lack severe limits for a conventional drain field, so make the site evaluation an early purchase contingency and be prepared for a nonstandard design²⁵.

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

Jacksonville does not allow a recreational vehicle to be used for living, sleeping or housekeeping on a residentially zoned lot or at any other location not approved for that use.⁸ Under the same rule, an RV may be parked or stored in a required rear or side yard but not a required front yard, and may be parked anywhere on residential premises for no more than 24 hours during loading and unloading.²⁶ That means living in an RV while you build is a problem on a residential Jacksonville lot; ask the Zoning Section whether a specific parcel's zoning district is approved for it.¹⁴

We could not confirm RV rules for Atlantic Beach, Neptune Beach, Jacksonville Beach or Baldwin, so ask each city's own zoning office.² Florida's recreational-vehicle-park rules address transient occupancy in permitted parks and camps, not permission to occupy an RV on an ordinary parcel.²⁷

We could not confirm a separate tiny-home rule. In Jacksonville, a manufactured home bearing the required construction seal is treated as a single-family home and permitted the same way in residential districts, subject to aesthetic review.²⁸ A manufactured home still needs compliant onsite inspection and a certificate of occupancy, with local zoning and setback rules continuing to apply.²⁹

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

1. Identify whether Jacksonville or one of Duval County's separately administered municipalities governs the parcel².
2. Confirm permitted use, setbacks, height and whether a proposed land division is feasible before design¹⁸¹⁹²⁰.
3. If Jacksonville governs, submit the building permit electronically; all permit types use online submission¹³.
4. If using Jacksonville's owner-builder route, appear in person and certify that the property is for your own use and occupancy, not sale or lease⁷.
5. If the parcel needs septic, obtain the site evaluation and permit through the Florida Department of Health in Duval County²⁴⁶.
6. Request each inspection identified during permit review as construction proceeds⁹.
7. Complete all work and required inspections so the applicable certificate of occupancy or completion can be issued¹¹.

What to check before you buy land in Duval County

Start by identifying the governing municipality, because Jacksonville and Duval County's four separately administered municipalities do not share one permit and zoning office². For a Jacksonville parcel, verify permitted use, setbacks, height, road access and subdivision potential before making the offer¹⁸¹⁹²⁰. Put septic feasibility in the contract: only about 0.3% of Duval County soils lack severe limitations for a conventional drain field, and the county health office requires the septic system to pass its permitting and inspection process²⁵⁶. We could not confirm countywide rules for private wells, driveway access or mandatory utility connections, so ask the governing municipality and the appropriate water authority before closing. Typical property taxes are about $2,142 annually at an effective rate near 0.8%³⁰³¹.

Watch-outs

• Jacksonville's owner-builder route requires the homeowner's name on the deed, an in-person visit, and a primary residence not for sale, rent or lease⁵.
• Jacksonville bars living in an RV on a residentially zoned lot unless the location is approved for it, so do not plan to live in an RV while you build without written confirmation from the Zoning Section⁸¹⁴.
• Only about 0.3% of Duval County soils lack severe limitations for a conventional septic drain field, so get a site evaluation before buying²⁵²⁴.

Sources

1. Building Inspection Division FAQs, quoted and re-checked
2. Zoning FAQs (Frequently Asked Questions), quoted and re-checked
3. Onsite Sewage Disposal, quoted and re-checked
4. Zoning FAQs (Frequently Asked Questions), quoted and re-checked
5. Residential Permits, quoted and re-checked
6. Onsite Sewage Disposal, quoted and re-checked
7. City of Jacksonville / Duval County Building Inspection Division (jacksonville.gov)
8. jacksonville.gov, quoted and re-checked
9. Inspections, quoted and re-checked
10. Online/Electronic Permit Submission, quoted and re-checked
11. Online/Electronic Permit Submission, quoted and re-checked
12. Jacksonville.gov - City Fees, quoted and re-checked
13. Online/Electronic Permit Submission, quoted and re-checked
14. City of Jacksonville / Duval County Zoning Section (jacksonville.gov)
15. Atlantic Beach: Atlantic Beach Code Sec. 24-105 Residential, single-family district (RS-1) (Duval County), quoted and re-checked
16. Town of Baldwin: Baldwin Code Sec. 22-141 Generally (Duval County), quoted and re-checked
17. Zoning FAQs (Frequently Asked Questions), quoted and re-checked
18. Zoning FAQs, quoted and re-checked
19. Zoning FAQs, quoted and re-checked
20. Current Planning Division, quoted and re-checked
21. jacksonville.gov, quoted and re-checked
22. jacksonville.gov, quoted and re-checked
23. Florida Department of Health in Duval County — Environmental Health (duval.floridahealth.gov)
24. OSTDS Construction Application (Florida statewide rule), quoted and re-checked
25. 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
26. jacksonville.gov, quoted and re-checked
27. Florida Statutes Chapter 513: Mobile Home and Recreational Vehicle Parks (Florida statewide rule), quoted and re-checked
28. Zoning FAQs (Frequently Asked Questions), quoted and re-checked
29. Florida Statutes § 320.8285: Onsite inspection (Florida statewide rule), quoted and re-checked
30. Median property tax bill: Bolthole Index county data
31. Effective property tax rate: 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.