Built for a humid climate
A deck in Fayetteville lives through long, muggy summers. NOAA counts about 768 hours in an average year when Drake Field's wet-bulb temperature is above 73°F. Wood that stays damp rots, and humid weather keeps wood damp longer. The parts most at risk are the ones you can't see: the ledger board where the deck meets the house, joist tops under the decking, and posts at ground level. Ask your builder about joist tape over the framing, pressure-treated lumber rated for ground contact where it is near the soil, and enough gap between boards for drainage and airflow.
The ledger is where decks fail
Many deck collapses start at the ledger. A deck attached to the house must be bolted to the house framing with through-bolts or structural screws, not nailed, and the connection needs flashing to keep water out of the house's rim joist. Ask the builder to describe exactly how the ledger will be fastened and flashed. If the siding has to be removed to do it properly, that should be in the quote.
Footings and freeze-thaw
NOAA lists an average of 62 freeze-thaw cycles a year at Drake Field. Footings must reach below the local frost depth, sit on undisturbed soil, and be sized for the load. Ask how deep and how wide the footings will be, and what the builder will do if they hit rock. Precast deck blocks sitting on the surface are not a substitute for footings on an attached deck.
Tall decks on sloped lots
On a sloped lot, a deck off the back of the house can end up well above the ground. Tall decks need lateral bracing so they don't sway, and posts sized for their height. Ask how the builder will brace the structure, and whether an engineer should look at a deck more than a story above grade. NOAA lists a 50-year basic wind speed of 90 mph for Drake Field, which matters for tall decks, privacy screens and pergolas on top of them.
Materials
Pressure-treated pine is common and economical but needs regular cleaning and sealing in a humid climate. Composite and PVC decking resist rot and need less maintenance but cost more and can get hot in full sun. Hardwoods are durable and expensive. Ask the builder for samples, and ask what the material warranty requires, including fastener types and board spacing.
Licensing and permits
In Arkansas, work on a single-family home costing more than $2,000 in labor and materials needs a license from the state Contractors Licensing Board. Most decks cross that line. Ask for the license number, look it up on the board's search, and ask whether the deck needs a City of Fayetteville building permit and inspection. Get the design, materials, footing details and warranty in writing.