Yes. In St. Johns County, FL, almost every new deck or full deck replacement needs a building permit before work starts. The permit makes sure your deck is engineered to handle Florida's 130-150 mph wind loads, sits the right distance from your property lines, and passes inspection. As a FL-licensed general contractor, Jacksonville Deck Builders pulls the permit, handles the plans and inspections, and folds it all into your project so you never have to deal with the county yourself.
- St. Johns County requires a building permit for new decks and full deck replacements; permits are issued through the county's Building Services / permitting department.
- Your deck plans must meet the Florida Building Code, including the 130-150 mph wind-load rating that applies across NE Florida.
- Setback, lot-coverage, and footing rules are checked at permit review, then verified by county inspectors before the deck is approved for use.
Yes, you almost always need a permit to build a deck in St. Johns County, FL. The county requires a building permit for most new decks and full deck replacements, and the permit confirms your deck is safe and built to Florida code. If you hire us, we pull the permit for you.
If you live in Nocatee, Ponte Vedra, St. Augustine, or anywhere else in St. Johns County, this guide walks you through it in plain English. No jargon. Just what you need to know before you build.
Do you really need a permit for a deck?
In most cases, yes. St. Johns County treats a deck as a structure, so it needs a building permit before work starts. This is true for new decks attached to your home and for full tear-out-and-rebuild replacements.
A permit is not the county making your life hard. It is there to confirm a few important things:
- Your footings and framing can hold the weight safely.
- Your deck is anchored to handle Florida's wind code, which runs 130 to 150 mph in our area.
- Railing height and stair spacing meet safety rules.
- Your deck does not cross a setback line or an easement on your lot.
A few small projects may not need a full permit, like a tiny ground-level platform. But the rules change, and the cost of guessing wrong is high. The safe move is to check before you build. When we give you a free estimate, we tell you up front whether a permit is needed for your exact project.
What St. Johns County looks at before approving a deck
When you apply for a deck permit, the county reviews a plan of what you want to build. They are checking that your deck is safe and that it sits where it is allowed to sit on your property.
Setbacks and your property lines
Every lot has setback rules. These are invisible lines that say how close to your property line a structure can go. Your deck has to stay inside those lines.
Coastal and flood zones
If you are near the water in Ponte Vedra or along the coast, your lot may sit in a flood zone. That can change how your deck is built and how high it needs to sit. The county checks this during review. It is one more reason to work with a builder who knows our area.
Wind and structure
Florida's wind code is strict for good reason. The county wants to see proper footings, framing, and connectors so your deck stays put in a storm. Our decks are built to meet the 130 to 150 mph wind code from the start.
How long does a deck permit take in St. Johns County?
The honest answer is that it depends. Permit timelines move around based on how busy the county is and whether your plans are complete the first time. A clean, complete application moves faster than one that gets kicked back for missing details.
This is where hiring a licensed builder saves you time. We submit complete plans built to code the first time, so there is less back-and-forth. We have pulled permits across Duval, St. Johns, Nassau, and Clay counties, so we know what each one wants to see.
Want to skip the paperwork headache? We handle the permit, the plans, and the build from start to finish. Call (904) 944-9253 for a free in-home estimate. We have built 500+ decks across NE Florida since 2013.
Do you have to pull the permit yourself?
No. When you hire us, we pull the permit for you as your licensed general contractor. You do not stand in line, fill out county forms, or guess at setback math. That is our job.
This matters more than people realize. Pulling a permit yourself as a homeowner means you take on responsibility for the work meeting code. Using a licensed, insured contractor puts that responsibility on us, where it belongs. We are a Florida-licensed general contractor and fully insured.
What about permits when you replace an old deck?
A full deck replacement almost always needs a permit, just like a new build. We do new builds and full replacements only. If your old deck is worn out or unsafe, we tear it down, haul it away, and build you a new one that meets today's code.
Good news on cost: demo and haul-away of your old structure is free when we build your replacement. You do not pay extra to get rid of the old wood.
Deck materials and what they cost
Your material choice affects both your permit plan and your budget. Here are the installed price ranges we see in our area. These are ranges, not quotes. Your free in-home estimate gives you a real number for your exact deck.
- Pressure-treated pine: around $20 to $30 per square foot. The budget-friendly classic.
- Composite, including Trex and MoistureShield: around $28 to $42 per square foot. Low upkeep and long-lasting. We are an authorized Trex and MoistureShield contractor.
- AZEK PVC and Ipe hardwood: our premium material, at a competitive $20–30 per sq ft. AZEK is a full-PVC board, and Ipe is a dense tropical hardwood. Both are the highest-end options we offer.
- Pavers and aluminum: great for specific designs and low-maintenance goals.
If low maintenance is your goal, composite is the sweet spot for most homeowners. You can read more on our composite decking in Jacksonville page to see how Trex and MoistureShield hold up in Florida heat and humidity.
Why local experience matters
Every city in St. Johns County has its own quirks. A builder who works here every day already knows them. We build across NE Florida, from Mandarin and San Marco to Atlantic Beach, St. Augustine, and the newer communities out east.
If you are in a master-planned community, the rules can be detailed. Our Nocatee deck builders team works there all the time. Closer to the coast, our Ponte Vedra Beach deck builders crew knows the flood-zone and wind-code details that come with building near the ocean. That local knowledge means fewer surprises and a smoother permit.
Ready to build? Let's make it easy
You do not need to become a permit expert to get the deck you want. That is what we are for. We handle the plans, pull the permit, and build a deck that meets Florida code and lasts. We are rated 4.9 stars on 70 Google reviews, and we would love to earn yours.
Call (904) 944-9253 for your free in-home estimate. We will walk your space, talk materials, and give you a real estimate with no pressure.