Deck Building Cost in Myrtle Beach, SC (2026)
Updated October 2026 · Myrtle Beach, SC · index 0.88
How much does it cost to build a deck in Myrtle Beach? For a 300 sq ft deck with pressure-treated wood, homeowners in Myrtle Beach, SC pay about $9,900 on average, and most quotes land between $6,850 and $13,000 — $23 to $43 per sq ft. The price covers plans and the permit, footings, a framed and flashed structure, the deck boards, railing, one set of stairs, fascia and cleanup.
The deck building price in Myrtle Beach runs 12% below the U.S. average: construction labor in the Myrtle Beach area runs 21% below the national mean, materials sit at the national level. The same job averages $11,300 nationally and about $10,100 at the South Carolina statewide index.
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Deck building price in Myrtle Beach by decking material
What a 300 sq ft deck costs in Myrtle Beach with each decking material, installed:
| Option | Average · range |
|---|---|
| Pressure-treated woodtreated pine or fir boards, stained and sealed$33 per sq ft | $9,900$6,850 – $13,000 |
| Capped compositehidden fasteners and a picture-frame border$40 per sq ft | $11,900$8,450 – $15,300 |
The least expensive option in Myrtle Beach is pressure-treated wood, at about $9,900; capped composite averages $11,900, 1.2 times as much.
Cost to build a deck in Myrtle Beach by size
With pressure-treated wood, priced for Myrtle Beach, SC:
| Size | Average · range |
|---|---|
| A 200 sq ft deck$36 per sq ft | $7,100$4,850 – $9,350 |
| A 300 sq ft deck$33 per sq ft | $9,900$6,850 – $13,000 |
| A 400 sq ft deck$32 per sq ft | $12,700$8,850 – $16,500 |
Some costs stay the same whatever the size — plans, permit and layout, one set of stairs (4 steps), final inspection and cleanup — so a bigger job costs less per unit: $32 per sq ft for a 400 sq ft deck against $36 for a 200 sq ft deck.
What a deck building in Myrtle Beach includes
Line by line, the $9,900 average for a 300 sq ft deck breaks down like this: 47% labor, 53% materials and equipment.
| Line | Low – high |
|---|---|
| Plans, permit and layout | $320 – $970 |
| Ground prep, fabric and gravel | $190 – $490 |
| Footings below the frost line | $360 – $730 |
| Flashed ledger on the house | $220 – $420 |
| 6x6 posts | $240 – $490 |
| Beams | $220 – $420 |
| Joist framing with hangers | $1,250 – $2,150 |
| Deck boards | $1,150 – $1,750 |
| One set of stairs (4 steps) | $450 – $910 |
| Railing | $1,650 – $2,900 |
| Fascia and skirting | $320 – $760 |
| Final inspection and cleanup | $130 – $320 |
| Stain and seal, two coats | $290 – $680 |
Each line is the price book's U.S. rate for that step, scaled by 0.74 to the installed price published sources give for the whole job (see how these prices are built), times Myrtle Beach's index of 0.88; permit fees are not scaled.
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What affects deck building prices in Myrtle Beach
Labor and materials in Myrtle Beach
Construction wages in the Myrtle Beach area run 21% below the U.S. mean (BLS, May 2025), and materials in its ZIP codes price right at the national average. Together they give Myrtle Beach a construction cost index of 0.88.
Where Myrtle Beach sits in South Carolina
Myrtle Beach is the 4th most expensive of the 4 South Carolina cities in our index, against a statewide index of 0.90. Greenville is the dearest at 0.93; no South Carolina city in it costs less.
Against the rest of the country
Of the 306 U.S. cities in JobFlex's index, Myrtle Beach ranks 287th from the most expensive. The job that averages $9,900 here averages $11,300 at the national rate.
Frost depth in South Carolina
Deck footings go below the frost line, or they heave by the second spring. The typical code frost depth in South Carolina is about 4 in.. Your building department sets the exact figure.
The deck code in South Carolina
Decks here are built to the 2021 South Carolina Residential Code (2021 IRC with South Carolina modifications). Guards are required at 36 in. where the deck is more than 30 in. up, and stair risers can be up to 7.75 in. Wind along the coast: the roof's uplift connections follow the wind map.
What decks are built of in South Carolina
Most used on decks in the South Atlantic states: treated pine, then capped composite, then cedar.
Sales tax in South Carolina
South Carolina's base state sales tax is 6%, and cities and counties can add their own. How it applies to a home-improvement contract varies, so ask whether a quote includes it. Prices on this page are before tax.
What a Myrtle Beach contractor will ask before quoting
- Reuse the frame or rebuild?
- Height, railing style and stairs
- Board brand and color
Deck building cost in other South Carolina cities
A 300 sq ft deck with pressure-treated wood averages $9,900 in Myrtle Beach; $10,500 in Greenville, $10,400 in Charleston, $10,400 in Columbia.
| City | Average · range |
|---|---|
| Greenville, SC6% more | $10,500$7,250 – $13,700 |
| Charleston, SC5% more | $10,400$7,150 – $13,500 |
| Columbia, SC5% more | $10,400$7,150 – $13,500 |
deck building price in Myrtle Beach: questions
How much does it cost to build a deck in Myrtle Beach, SC?
About $9,900 for a 300 sq ft deck with pressure-treated wood, and most Myrtle Beach quotes fall between $6,850 and $13,000. That is 12% below the U.S. average, where the same job averages $11,300.
What is the deck price per square foot in Myrtle Beach?
$23 to $43 per sq ft, about $33 on average with pressure-treated wood. Smaller jobs cost more per unit, because the fixed costs are spread over less.
How much is a 400 sq ft deck in Myrtle Beach?
$8,850 to $16,500, about $12,700 on average, with pressure-treated wood — $32 per sq ft.
Do you need a permit for deck building in Myrtle Beach?
Yes — a new deck needs a permit nearly everywhere, Myrtle Beach included. In South Carolina, decks follow the 2021 South Carolina Residential Code (2021 IRC with South Carolina modifications). The prices on this page carry $320–$970 for plans, permit and layout.
Does the price include sales tax in South Carolina?
No. The prices here are before tax; South Carolina's base state rate is 6%, plus any local rate.
What decking do people choose in South Carolina?
Most used on decks in the South Atlantic states: treated pine, then capped composite, then cedar.
Other home projects in Myrtle Beach
Deck building cost in South Carolina
How these prices are built
Every price on this page comes from JobFlex's contractor price book: what a homeowner pays a licensed contractor for each step of the job, as a U.S. national average per unit, with the contractor's overhead and profit included and sales tax left out. The deck building is priced step by step, then multiplied by Myrtle Beach's construction cost index of 0.88.
Where the price book's steps for an option add up to more than 20% over the installed price a published source gives for the whole job, every step but a permit fee is scaled down to the middle of that range: pressure-treated wood × 0.74 (HomeGuide 2026: $25–$50 per sq ft); capped composite × 0.80 (Ergeon 2026: $30–$60 per sq ft).
The index weighs local construction wages (BLS Occupational Employment and Wage Statistics, May 2025) at 60% and the area's material prices (Craftsman ZIP-area factors) at 40%. Published indices for Myrtle Beach, each on its own base: Craftsman 0.94. Treat any city figure as about ±5%; a contractor's quote for your house is the number to plan with.
Contractors in Myrtle Beach build quotes like these with JobFlex's Deck Studio.
- HomeGuide 2026: pressure-treated deck $25-$50/sqft installed, labor $15-$30/sqft
- Ergeon 2026: composite deck $30-$60/sqft installed
- HomeGuide 2026: composite railing $25-$60/lf, aluminum $50-$200/lf installed