Deck Builder Nashville TN: How Much Does a Deck Cost in 2026?
JB's Enclosures is a veteran-owned deck builder serving Nashville TN and the surrounding Middle Tennessee area — Nashville, Murfreesboro, Brentwood, Franklin, Nolensville, and beyond. We build custom wood and composite decks with 20-plus years of experience and free estimates on every project.
By Jeremy, Owner · Last updated June 2026
How Much Does It Cost to Build a Deck in Nashville?
The number most homeowners ask first — and the honest answer is it depends on size, material, and how complex the design is. Here's what you can realistically expect for Nashville-area projects in 2026.
For most Middle Tennessee homes, a professionally built deck runs $15 to $31 per square foot installed, depending on whether you're going with pressure-treated pine or composite decking. That puts a typical project at:
These ranges reflect installed cost — materials and labor combined — and are consistent with Nashville-area project data for 2026. They don't include permit fees or add-ons like built-in seating, lighting, or pergola covers.
Per the 2025 Zonda Cost vs. Value Report, a standard 16×20 wood deck addition nationally averages $18,263 installed and recoups 94.9% of cost at resale — one of the strongest ROI figures in residential improvements. Composite decks average $25,096 nationally and recoup 88.5%. In Nashville's hot real estate market, both numbers tend to run at or above the national average.
What drives your final number:
Material — Pressure-treated pine costs less upfront but needs staining every two to three years in Tennessee's humid summers. Composite costs more initially but carries a 25-to-30-year warranty, needs minimal maintenance, and holds up better against the seasonal moisture swings Middle Tennessee delivers. For homes in Nolensville, Brentwood, or other wooded neighborhoods, composite's resistance to moisture and insects is a practical advantage.
Deck height and site conditions — Ground-level decks are more straightforward. A second-story deck off a walk-out basement — common on the hilly lots in Franklin and along the ridgelines in Hendersonville — costs more because of the additional framing, bracing, and stair work involved.
Railings and stairs — Railings run $25 to $150 per linear foot depending on material. Cable and aluminum are popular in newer Nashville neighborhoods; traditional wood matches older homes in Madison and Smyrna well.
Footings — Tennessee's clay-heavy soils require deeper footings in many areas. We check each site before quoting.
Deck Building Guide for Nashville Homeowners: Permits, Codes, and What to Know Before You Start
This is where Nashville homeowners most often get surprised — and where working with an experienced local deck builder Nashville TN contractor pays off.
You need a permit. Per Metro Nashville's Department of Codes and Building Safety, any new deck construction or deck replacement requires a building permit from Metro Nashville. Deck board replacement above 100 square feet also requires a permit. No exceptions.
The code changed in July 2025. Metro Nashville adopted the 2024 International Residential Code (IRC) effective July 15, 2025 under Ordinance BL2025-898. If you're comparing bids or looking at plans from a contractor in 2026, make sure their plans reference the 2024 IRC — not the 2018 IRC that Metro used before. The 2024 edition tightened lateral load connection requirements and updated ledger attachment specifications. Plans submitted to the Metro Codes Department under the old code will come back with review comments. We submit every project under the current code.
Setbacks matter. Uncovered decks in Nashville-Davidson County can qualify for a reduced rear setback of 10 feet, but must meet the full side setback. For properties in historic overlay zones — parts of East Nashville, Germantown, and similar neighborhoods — the Metro Historic Zoning Commission (MHZC) must also approve plans before the standard building permit can be issued.
Belle Meade and Forest Hills are separate. These municipalities maintain their own permit offices and are not covered by Metro Nashville's Department of Codes. If your property is in Belle Meade or Forest Hills, the permitting process is distinct.
Tennessee 811. Any project involving footings — which is every attached deck — requires a call to Tennessee 811 at least three working days before digging begins to mark underground utilities. We handle this as part of the project process.
Deck Addition Cost Guide by Size: What Nashville Homeowners Actually Build
Based on what we see on projects across Middle Tennessee, here's how the deck addition cost guide by size breaks down by what homeowners actually request:
Small decks (under 200 sq ft) — Common on townhomes in Smyrna and newer construction in Mt. Juliet where lot sizes are tighter. Usually a single level, ground or low elevation. Typically $3,000 to $6,000 for pressure-treated; $8,000 to $14,000 for composite. Best for morning coffee spaces and small outdoor dining setups.
Mid-size decks (200–400 sq ft) — The sweet spot for most Nashville-area homeowners. Enough room for a table, a grill zone, and comfortable seating. On sloped lots in Brentwood and Franklin, this size typically involves elevated framing and a stair run. Budget $6,000 to $12,500 for pressure-treated; $14,000 to $28,000 for composite.
Large decks (400+ sq ft) — Entertainment-focused builds on larger properties in Nolensville, Hendersonville, or Spring Hill. Often multi-level, sometimes with a screened section or pergola addition. These projects run $12,000 to $20,000-plus depending on complexity and material. When homeowners in this size range ask us about adding a screen room above the deck, we can design both as a single integrated project — one permit pull, one crew, cleaner result.
Why Nashville Homeowners Choose JB's Enclosures
We're a veteran-owned company and we run our business the way our service background taught us — show up when you say you will, do the work right the first time, and stand behind it.
Jeremy started JB's Enclosures with more than 20 years in the outdoor living trade already under his belt. We've built decks across the whole Nashville metro — in the older Craftsman neighborhoods of East Nashville, on the hillside lots in Franklin and Brentwood, across the flat newer-construction yards in Smyrna and La Vergne, and in the wooded acreage properties out in Spring Hill and Nolensville. Each one builds differently, and we know the difference before we ever put a quote together.
A few things that matter to us on every job:
We pull permits. Some contractors skip this step to save time. We don't. A deck built without the required Metro Nashville permit becomes your problem when you sell the house — it shows up in the title search and can kill a closing. We're a licensed contractor and we do this by the book.
We design for Tennessee's climate. Middle Tennessee gets hot, humid summers and real freeze-thaw cycles in winter. The decking and fastener systems we spec are chosen with that in mind. On composite jobs, we use hidden fastener systems that account for expansion and contraction. On pressure-treated builds, we spec corrosion-resistant hardware throughout — the standard in any coastal or humid climate.
Free estimates, fast turnaround. Unlike companies that sit on your request for days, we reach out right away. We'd rather spend time looking at your yard than your inbox.
Where We Build Decks in Middle Tennessee
JB's Enclosures serves homeowners throughout Greater Nashville and Middle Tennessee, including:
Nashville · Murfreesboro · Brentwood · Franklin · Nolensville · Smyrna · Hendersonville · Mt. Juliet · Spring Hill · Belle Meade · Madison · Shelbyville
Also building in Arrington, Columbia, Eagleville, Forest Hills, Gallatin, Goodlettsville, La Vergne, Lebanon, Lewisburg, Morrison, Oak Hill, Rural Hill, Salem, and Woodbury.
Frequently Asked Questions
1. How much does it cost to build a deck in Nashville TN?
In Nashville, deck construction runs $15 to $31 per square foot installed, depending on material. A 200-square-foot pressure-treated deck typically costs $3,000 to $6,000; a composite deck of the same size runs $8,000 to $14,000. Larger decks, elevated builds, and projects with railings, stairs, or custom features push higher. JB's Enclosures provides free written estimates — call (615) 713-7902 to schedule.
2. Do I need a permit to build a deck in Nashville?
Yes. Metro Nashville requires a building permit for any new deck construction, deck replacement, and deck board replacement over 100 square feet. Permits are issued through Metro Nashville's Department of Codes and Building Safety. As of July 2025, Nashville operates under the 2024 International Residential Code. JB's Enclosures handles permit filing for every project we build.
3. How much does a deck cost by size?
Small decks under 200 sq ft: $3,000–$14,000 depending on material. Mid-size decks of 200–400 sq ft: $6,000–$28,000. Large decks over 400 sq ft: $12,000–$30,000-plus. The biggest cost variable is material — pressure-treated pine is 40 to 50 percent cheaper upfront than composite, but composite requires far less maintenance over its lifespan.
4. What's the best decking material for Tennessee's climate?
For most Middle Tennessee homeowners, composite decking is the better long-term choice. Tennessee's humid summers and freeze-thaw winters accelerate wear on untreated wood. Composite decking resists moisture, insects, and UV fading, and carries warranties of 25 to 30 years. Pressure-treated pine is a strong, cost-effective option if you're willing to restain every two to three years. We'll help you decide which makes sense for your budget and your property.
5. How long does it take to build a deck?
The construction itself typically takes two to five days depending on size and complexity. Permitting adds time — Metro Nashville permit processing runs one to three weeks for standard residential projects. Total project timeline from first call to completed deck is typically three to six weeks. We give you a realistic schedule at the free estimate and keep you updated throughout.
Get a Free Deck Estimate in Nashville
Whether you're planning a small backyard deck in Smyrna or a multi-level outdoor entertaining space in Brentwood, the first step is a free, no-pressure estimate. We'll look at your yard, talk through your vision, and give you a written number you can actually plan around.
Request a Free Estimate or call (615) 713-7902 today.
Also explore:
Pergolas — Add shade and structure above your deck
Screen Rooms — Extend your deck into a bug-free enclosed space
Financing — Monthly options starting at $125/month
Contact JB's Enclosures
JB's Enclosures 1349 Marymont Dr Murfreesboro, TN 37129 Phone: (615) 713-7902 Email: [email protected]
Serving Nashville, Murfreesboro, Brentwood, Franklin, Nolensville, Smyrna, Hendersonville, Mt. Juliet, Spring Hill, Belle Meade, Madison, and all of Middle Tennessee.
