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Mark Tivey · Licensed CGC1511598 · Veteran-Owned Since 1988(904) 850-6070
All GuidesSunroom & Patio Cover · Clay County

Sunroom Cost and Permits in Clay County, FL (2026)

A sunroom in Clay County, FL runs $8,000–$22,000 for a basic screened lanai cover, $20,000–$50,000 for a polycarbonate or solid-roof sunroom (un-conditioned), and $40,000–$95,000 for a four-season conditioned sunroom that becomes part of the heated and cooled house. Clay County requires a building permit for any cover attached to the house — fee is $1 per $1,000 of construction value plus $50 application — and most Fleming Island and Eagle Harbor subdivisions require HOA architectural review on top.

Cost ranges

What you'll typically pay.

Screened Lanai Cover

$8,000 – $22,000

Aluminum-pan or polycarbonate roof on existing slab, fully screened, no glass, no HVAC. Renaissance Patio system standard. Hurricane-rated to 175 mph (NEFBA-published spec). Typical 2–4 weeks.

Polycarbonate or Solid-Roof Sunroom

$20,000 – $50,000

Glass or polycarbonate walls + roof, screened or windowed, un-conditioned. Adds usable interior square footage without HVAC connection. Renaissance polycarbonate system or equivalent. Typical 4–8 weeks.

Four-Season Conditioned Sunroom

$40,000 – $95,000

Insulated walls and roof, code-compliant glazing, HVAC tied into existing system or with mini-split. Functions as a year-round room. Typical 6–12 weeks; counted as conditioned space for impact fees.

Ranges reflect typical Northeast Florida market pricing as of May 2026. Not Tivey-specific quotes — get a real range in 90 seconds via the form below.

Clay County permit walkthrough

The permit, step by step.

  1. 1

    Pre-application — slab capacity verification

    Existing lanai slabs weren't always poured to support a permanent cover. A core test of the slab's rebar and depth before engineering avoids redesign mid-permit. Tivey runs this on the Day-1 walkthrough.

  2. 2

    HOA architectural review (if applicable)

    Most Fleming Island, Eagle Harbor, Pace Island subdivisions cap roofed-structure height and have material/color approval. ARB review can run 30–60 days; submit in parallel with county.

  3. 3

    Application via Tyler Technologies EPL

    Clay County permits go through the Citizens Access Portal. Sunroom permits are residential building permits with mechanical (if conditioned), electrical (lighting + outlets), and structural review.

  4. 4

    Plan review with wind-load engineering

    Clay County is in the FBC 130 mph design wind zone. Any cover attached to the house requires engineered wind-load review. Renaissance Patio's documented engineering shortens this; an off-the-shelf cover from a non-engineered system extends it.

  5. 5

    Notice of Commencement (over $5,000)

    Required for permits with construction value over $5,000. Filed at the Clay County Courthouse, recorded before the first inspection. Tivey files it.

  6. 6

    Permit issuance and fees

    Permit fee is $1 per $1,000 of declared construction value plus $50 application. A $30,000 sunroom pays roughly $80 in permit fees. A four-season conditioned sunroom may also incur impact fees on the new conditioned square footage.

  7. 7

    Inspections

    Screened lanai — framing + final (2 inspections). Polycarbonate sunroom — framing + electrical + final (3–4). Four-season sunroom — footing + slab work + framing + insulation + electrical + mechanical + drywall + final (8+).

  8. 8

    Certificate of Completion (or Occupancy)

    For a screened or polycarbonate sunroom, the final inspection clears the work. For a four-season conditioned sunroom that adds habitable space, a Certificate of Occupancy is issued.

What's not in the cost ranges

Three items commonly add to a Clay County sunroom budget:

  • HOA review fees and submission costs. Most Clay County HOAs charge $100–$500 for ARB review. Renaissance Patio submissions usually pass on the first review.
  • Slab repair or repour. Older lanai slabs often need patching, leveling, or partial repour to carry a permanent cover load. $500–$3,000.
  • HVAC capacity upgrade for four-season sunrooms. Mini-split addition: $3,000–$6,000. Existing HVAC capacity rebalance: $2,000–$8,000.

Renaissance Patio specifically

Tivey's Renaissance Patio division installs the Aria Shade Trellis, polycarbonate sunrooms, Dolce screen rooms, and standard screen enclosures. Renaissance carries a lifetime warranty on the structural components and is hurricane-rated to 175 mph (NEFBA-published spec) — which exceeds Clay County's 130 mph code minimum by a substantial margin.

The choice between Renaissance and a non-engineered cover usually comes down to permit speed (Renaissance has the engineering on file) and warranty (lifetime vs. 5–10 years on most off-the-shelf systems).

FAQ

Frequently asked.

  • Do I need a permit for a screen room in Clay County?

    Yes. Any cover attached to the house in Clay County requires a building permit, regardless of whether it's screened, polycarbonate, or fully enclosed. The reason is wind-load — Clay County is in the FBC 130 mph design wind zone, and an unengineered cover that fails in a storm can damage the main house. Permit ensures the engineering is on file.

  • How long does a Clay County sunroom permit take to issue?

    Plan on 4–8 weeks from clean submission to permit-in-hand for a standard sunroom. HOA review (if applicable) is usually the bottleneck; submitting to county and HOA in parallel saves 4–6 weeks.

  • What's the difference between a screened lanai and a four-season sunroom?

    A screened lanai has a roof but no insulated walls; it's not part of the conditioned house. A four-season sunroom has insulated walls and roof, code-compliant glazing, and HVAC tied into the existing system or a dedicated mini-split. The four-season version costs 3–5× more but adds counted square footage and year-round usability.

  • Do I need an HOA review on top of the county permit?

    Most Fleming Island, Eagle Harbor, Pace Island, and newer Clay County subdivisions have an Architectural Review Board that reviews materials, color, height, and roof pitch. Older Clay County neighborhoods often don't. Tivey verifies HOA requirements on the Day-1 walkthrough.

  • Can I add a four-season sunroom to my existing HVAC system?

    Sometimes. Florida code requires a Manual J HVAC calculation when significant conditioned space is added. Existing systems are often sized for the existing house only and can't carry the additional load. A small sunroom (200–300 sqft) often works with the existing HVAC; a larger one (400+ sqft) usually needs a dedicated mini-split.

More cost & permit reads

Related guides.

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