Northeast Florida
Shed Installation in St. Johns County, Florida
Permit requirements, inspections and modeled costs for shed installation in unincorporated St. Johns County. If your address falls inside a city, the municipal building department issues the permit instead.
Verified August 2026
Do you need a permit for shed installation in St. Johns County?
It depends
It depends on scope. Like-for-like cosmetic work in Unincorporated St. Johns County is often exempt, but a permit is required as soon as you change structure, plumbing, electrical or the building envelope.
Budget $1,700 – $11,600 for the work itself (typically $4,500) plus $75–$325 in permit fees.
St. Johns County cost model
| Budget scope | $1,700 |
|---|---|
| Typical project | $4,500 |
| Premium / complex | $11,600 |
| per shed installed | $1,750 – $11,650 |
| Permit fees | $75 – $325 |
| vs national baseline | -3% |
| Timeline | 1-2 days of work, 2-5 weeks including permitting |
Inspections you should expect
- Anchoring / tie-down inspection
- Final inspection
What the county will ask for
- Permit application
- Survey showing setbacks
- Manufacturer wind-rating and tie-down details
Cities inside the county that permit their own work
If the property is inside these municipalities, apply to the city rather than the county.
Statewide rules that apply here
St. Johns County enforces the 8th Edition (2023) Florida Building Code, effective December 31, 2023. Local amendments can add requirements but cannot reduce the statewide minimum.
Frequently asked questions
What size shed can I build without a permit in Florida?
Many Florida jurisdictions exempt sheds under 100-200 square feet from a building permit, but zoning setbacks and hurricane tie-down requirements still apply, and some coastal jurisdictions permit every accessory structure regardless of size.
Sources
Sources & verification
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.