Custom Deck Building
New pressure-treated or composite decks designed for your yard and built to Onslow County's high-wind code — footings to final rail, permit pulled, inspections passed.
Custom decks in Jacksonville →Jacksonville · Onslow County · Coastal Carolina
Deck Builders in Jacksonville, NC — Built for Salt Air, High Wind, and Real Deadlines
A deck two miles from the New River gets a different build than one two hundred miles inland — different fasteners, different framing, different footings. We build to that standard, on a written quote, on your timeline.
- Insured crews on every job
- Free design consultations and firm written quotes
- Permits pulled, framing built to NC high-wind code
- Stainless and hot-dipped galvanized hardware — never bright nails
Straight answers on price, timeline, and permits — before anyone commits to anything.
Get a Free Quote
Tell us about your project. We'll call you back with real numbers — usually the same day.
- Insured crews
- Written quotes
- Permits & inspections
- Free design consults
A Deck Company That Builds for How Jacksonville Actually Lives
Jacksonville isn't a generic suburb, and its decks shouldn't be generic either. This is a coastal town on the New River, close enough to the Atlantic that salt rides the humidity year-round — and it's a Marine Corps town, where a huge share of homeowners are working on a duty-station clock. Both facts change how a deck should be designed, built, and priced.
The coastal part is structural. Salt-laden air eats ordinary fasteners; the same humid heat that grows mildew on north-facing boards also cups and checks cheap lumber. Onslow County sits in North Carolina's high-wind zone, so ledger connections, joist hangers, and post anchoring aren't places to improvise — they're engineered details that get inspected. And much of the county is sandy coastal soil, which means footings sized and set for the ground that's actually here, not the clay two counties inland.
The duty-station part is practical. Families here buy, improve, and sell (or rent out) homes on three-year cycles. A deck is one of the few improvements that reliably shows up in buyer interest and rental photos — but only if it's permitted, solid, and clean. So we build new decks that close inspections without drama, repair and refresh decks so a house lists well before a move, and run deck safety inspections for buyers and sellers who want to know what they're standing on. Whatever the project, you get a written quote first and a permit on file after.
Deck Services We Provide in Jacksonville
Each service below has its own page with real detail on process, materials, and cost — because a board swap and a 400-square-foot elevated build are not the same conversation.
Composite Decking
Low-maintenance composite builds and resurfaces for owners tired of the annual clean-and-seal cycle. Honest math on when the 30–50% premium pays for itself here.
Composite decking →Deck Repair
Rotten boards, wobbly railings, rusted hardware, storm damage, soft spots. Straight assessments of what's cosmetic, what's structural, and what it costs to fix right.
Deck repair in Jacksonville →Screened Porches
Outdoor rooms you can actually use through Carolina bug season — screened porches and covered deck conversions that add real living space without the mosquitoes.
Screened porches →Deck Safety Inspections
Ledger-connection failure drives roughly 90% of deck collapses. We inspect the connection, hardware, footings, and rails — before you buy, sell, or host the party.
Deck inspections →Service Areas
Jacksonville proper — Northwoods, Brynn Marr, Carolina Forest, Piney Green — plus Richlands, Swansboro, Sneads Ferry, Hubert, and Holly Ridge.
See all service areas →What a Deck Costs in Jacksonville, NC (Real Numbers)
Most contractors make you sit through a sales visit before they'll say a number. Here's what deck work actually runs in the Jacksonville area, so you can sanity-check any bid — including ours.
| Project | Typical Jacksonville range |
|---|---|
| 12x12 pressure-treated deck (144 sq ft) | $4,000 – $8,000 |
| 16x16 pressure-treated deck (256 sq ft) | $7,000 – $12,000 |
| 20x20 pressure-treated deck (400 sq ft) | $10,000 – $18,000 |
| Composite decking (same footprint) | Add 30–50% vs. pressure-treated |
| Screened porch / covered outdoor room | $18,000 – $40,000+ |
| Deck repairs (boards, rails, hardware) | $300 – $3,000 most jobs |
| Deck safety inspection | $150 – $400, credited if we do the repairs |
Why the ranges are wide — and what actually sets your price
Two decks with the same footprint can differ by thousands. The levers, roughly in order: height off the ground (a ground-hugging platform needs no guardrail; a second-story deck needs engineered posts, rails, and stairs), railing and stairs (often a third of the budget by themselves), material (composite boards and railing carry the 30–50% premium), and site conditions (sandy soil that needs bigger footings, tight access, an old deck to demo and haul first).
One thing that should never be a variable: the hardware. Every quote we write includes stainless or hot-dipped galvanized fasteners and connectors rated for coastal exposure — because in salt air, the cheap zinc-plated alternative starts bleeding rust streaks down your boards in a couple of seasons and quietly loses strength where you can't see it.
Budget honesty for PCS timelines: if you're likely to sell within two or three years, don't overbuild. A clean, permitted pressure-treated deck photographs nearly as well as composite in a listing and costs a third to half less. Composite earns its premium when you'll be there to skip five-plus years of maintenance — or when the house will be a rental and you won't be nearby to re-seal anything. We'll tell you which side of that line your project sits on.
Why Jacksonville Decks Fail: A Coastal Field Guide
The ledger board: where 90% of collapses start
When a deck falls, it almost never crumbles in the middle — it tears away from the house. Roughly 90% of deck collapses trace to the ledger board connection: nails where structural screws or bolts belonged, ledgers hung over siding with nothing solid behind them, or missing flashing that let a decade of rain rot the ledger and the rim joist it was bolted to. Coastal humidity accelerates the rot; salt accelerates the fastener corrosion. It's the single most important detail on a deck, it's invisible once the boards go down, and it's the first thing we look at on every inspection and engineer on every build.
Salt air vs. your fasteners
You don't need beachfront property for salt to matter — humid air off the New River and the Intracoastal carries it well inland. Ordinary zinc-plated screws and joist hangers corrode fast here: black streaks down the boards are the visible symptom, and lost connection strength is the invisible one. Coastal builds call for stainless steel or hot-dipped galvanized hardware, and pairing metals correctly — the wrong screw in the wrong hanger corrodes both. If a bid doesn't specify the hardware, that's the corner being cut.
High-wind framing isn't optional here
Onslow County sits in North Carolina's high-wind zone, and deck framing has to hold together when a hurricane pushes up the coast — that means rated connectors and uplift-resistant details, not toenailed joists. It's also why post-storm checks matter: a deck can survive a blow looking fine while a few critical connections quietly stretched.
Sandy soil and footings
Much of Onslow County is sandy, high-water-table coastal soil. Footings that would pass inland need to be sized for the bearing capacity that's actually under your yard, or posts settle, the frame racks, and doors of screened porches stop closing. Footing inspections are part of the county permit process — one more reason permitted work protects you.
The mold and mildew cycle
Humid summers plus shade equal mildew on any horizontal wood surface in Jacksonville. Pressure-treated decks here want a wash and re-seal roughly every year or two; skip a few cycles and boards go gray, then soft. Composite reduces that to a seasonal rinse — a genuine advantage in this climate, and a big part of the composite math.
Hurricane season prep, briefly
Before a named storm: clear the deck of furniture and planters (they become projectiles), don't strap anything to the railing, and note any boards or rails that were already loose — wind finds weak points first. After: photograph damage before cleanup for insurance, and get connections checked if anything shifted. We do post-storm assessments every season.
Serving Jacksonville and All of Onslow County
From established yards in Northwoods and Brynn Marr to new construction out toward Richlands and the waterfront communities at Sneads Ferry and Swansboro — same crew standards, same phone number, all across the coastal Carolina area:
Jacksonville neighborhoods: Northwoods, Brynn Marr, Carolina Forest, Piney Green, and everywhere in between. Onslow County towns: Richlands, Swansboro, Sneads Ferry, Hubert, and Holly Ridge.
Jacksonville Deck Building: Questions Homeowners Actually Ask
What's the average cost to build a 20x20 deck in Jacksonville?
A 400-square-foot (20x20) pressure-treated deck typically runs $10,000–$18,000 here, built to Onslow County's high-wind code with coastal-rated hardware. The same footprint in composite typically lands 30–50% higher — roughly $15,000–$25,000 — because boards and railing cost more while the pressure-treated frame underneath stays the same. Height, stairs, and railing style move the number inside those ranges.
What's the average cost to build a 12x12 deck?
A 12x12 (144-square-foot) pressure-treated deck typically costs $4,000–$8,000 in the Jacksonville area — footings, high-wind connectors, coastal fasteners, railing, permit, and inspections included. Composite at that size usually runs $6,000–$11,000. Ground-level platforms sit at the bottom of the range; elevated decks with stairs and railing at the top.
What is the 3-4-5 rule for decking?
It's the builder's check for a perfectly square corner. Measure 3 feet along one side of the corner and 4 feet along the other; if the diagonal between those points is exactly 5 feet, the corner is a true 90°. It's the Pythagorean theorem in work boots, and it scales — 6-8-10 gives the same check over a longer run. A frame that starts square is why the boards, rails, and stairs all fit right later.
What accounts for 90% of deck collapses?
Failure of the ledger board connection — where the deck attaches to the house. Nails instead of structural bolts, ledgers over siding with no solid bearing, and missing flashing that rots the wood behind the connection. Salt air and coastal humidity speed up both the rot and the corrosion, which is exactly why we built a dedicated deck inspection service around checking it.
Do I need a permit to build a deck in Jacksonville or Onslow County?
In most cases, yes — attached decks and most raised decks require a building permit and inspections through the City of Jacksonville or Onslow County, built to NC's high-wind provisions. Small, low, freestanding platforms are sometimes exempt, but the thresholds are specific, so confirm before assuming. We pull the permit and schedule inspections on every job — and an unpermitted deck can surface as a real problem during a home sale or an insurance claim, which matters double in a town where most houses change hands on PCS timelines.
Pressure-treated or composite — which is better near the coast?
Pressure-treated pine costs 30–50% less up front but wants a wash and re-seal every year or two in this humidity, and boards can check and splinter over time. Composite costs more on day one, but doesn't rot, never needs stain, and handles the mildew cycle with a rinse. Staying five-plus years, or turning the house into a rental? Composite usually wins the math. Likely to move in two or three? A well-built pressure-treated deck delivers the same buyer appeal for less cash. Full breakdown here.
Get the Deck Priced Before You Plan Around It
One call gets you a free design consultation, straight talk on permits and materials, and a firm written quote — whether you're building for the long haul or getting a house ready to list.
Call (910) 463-9362