Deck Construction in Sioux Falls

If the decking near your back door has started to feel soft underfoot, or the ledger board where the deck meets the house has pulled away even a quarter inch, that’s not something a bottle of wood sealant fixes. It usually means water has been tracking behind the flashing for a season or more, and the structure underneath, the ledger bolts, the joist hangers, sometimes the footings themselves, has already started to fail. Sioux Falls’ freeze-thaw cycle accelerates that kind of hidden damage fast, which is why a deck that looked fine last fall can be unsafe to stand on by spring.

What Deck Construction actually involves

A proper deck build or rebuild starts below grade, not at the decking boards. Footings need to sit below the local frost depth so seasonal freeze-thaw movement doesn’t heave the posts out of level over a winter or two. From there it’s ledger attachment and flashing where the deck ties into the house (the single most common failure point on older decks), pressure-treated or engineered joists sized to span and load correctly, and a decking and railing system that meets current guardrail and baluster spacing code. Depending on scope, a project runs from a few days for a straightforward replacement on existing footings to a few weeks when new footings, permitting, and full framing are involved.

Our process

1. Site evaluation and scope of work. We inspect the existing structure (or the building site, for new construction), check soil and frost conditions, and document what’s failing versus what’s serviceable. You get a written scope before anything is demolished.
2. Permit and code review. Deck construction in Sioux Falls generally requires a building permit and inspection, especially for anything attached to the house or built above a certain height. We handle the paperwork and coordinate inspection timing.
3. Demolition and footing work. Old decking, framing, and any compromised footings come out. New footings are set to the required depth and cured before framing begins.
4. Framing, ledger installation, and decking. Ledger boards are properly flashed and through-bolted, not just lag-screwed into siding. Joists, beams, and decking go in per the engineered or code-minimum spans for the material chosen.
5. Railing, finish work, and final inspection. Guardrails, stairs, and baluster spacing are set to code, then the deck is sealed or finished as specified and signed off by the local inspector.

What separates a good deck build from a bad one

Most deck failures trace back to two or three shortcuts. Ledger boards that are lag-bolted instead of through-bolted with proper flashing behind them let water migrate into the rim joist, which rots quietly for years before anyone notices. Footings poured too shallow, above the frost line, shift with every freeze-thaw cycle and eventually throw the whole structure out of level. Undersized joist hangers or the wrong fastener (galvanized instead of stainless or coated for treated lumber) corrode faster than the wood around them fails. A crew that’s cutting corners on any of these won’t show up until the deck is already sagging. Insurance adjusters looking at storm or impact damage will also want to see documented pre-loss condition, photos of the failure point, and an itemized scope tying repair costs to the actual damage, not a blanket rebuild quote.

What does Deck Construction cost?

Costs vary widely based on square footage, material (pressure-treated lumber versus composite), whether new footings are required, and local permit fees. These are typical industry ranges, not a quote, every project gets a written scope from Crew Restoration & Construction before any work begins.

Homeowners insurance typically covers deck damage tied to a covered peril, a fallen tree, wind, or fire, but not routine wear, rot, or age-related failure. If your damage stems from a storm or impact event, we document the failure and provide the itemized scope your carrier will ask for.

Seasonal & regional considerations

Sioux Falls sees frost depths that require footings well below grade, and a deck built on shallow footings almost always shows movement within a couple of winters. Spring is the busiest season for permitting and inspections locally, so scheduling ahead of the thaw gets projects through the process faster. Summer storm season also brings the occasional tree limb or straight-line wind damage that turns a repair into a partial rebuild.

Service area

We build and rebuild decks throughout Sioux Falls and the surrounding communities, including Brandon, Tea, Harrisburg, and Dell Rapids, under South Dakota license #3814.

If your deck is showing soft spots, separating from the ledger, or came through a storm with visible damage, don’t wait for warmer weather to find out how bad it’s gotten. Call (605) 965-2727 to get a written deck construction scope of work and a straight answer on repair versus rebuild.