Northeast Florida

Shed Installation in Nassau County, Florida

Permit requirements, inspections and modeled costs for shed installation in unincorporated Nassau 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 Nassau County?

It depends

It depends on scope. Like-for-like cosmetic work in Unincorporated Nassau 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.

Nassau 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%
Timeline1-2 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.

We track 3 municipalities in Nassau County: Fernandina Beach, Callahan, Hilliard. Contact the city directly if your address is inside one of them.

Statewide rules that apply here

Nassau 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.