Materials That Tolerate Damp Air
- Composite or PVC decking resists the mildew and rot that come with constant humidity
- Stainless steel or heavily coated fasteners and connectors reduce corrosion
- Ground-contact lumber for posts and low framing
- Aluminum pergolas, or treated wood sealed on a regular schedule
Spacing boards correctly and leaving airflow under the deck also helps it dry out after storms. On sloped lots that drop toward the shoreline, taller posts get extra bracing so the deck stays rigid underfoot.
What Drives the Cost
As a broad guide, many custom decks fall somewhere between $3,000 and $12,000, and pergolas often run about $2,500 to $8,000. Those ranges vary considerably from project to project. The biggest factors are:
- Square footage and height off the ground
- Decking and railing material
- Multiple levels, stairs and built-ins
- Pergola size, material and roof options
- Site access and slope
A free on-site estimate turns those variables into a real number.
Typical Timeline
Most deck and pergola projects take between one and three weeks, depending on complexity and weather. Footings need time to cure before framing, and special-order composite colors can add lead time, so we confirm material availability before setting a start date.
Keeping a Lake-Area Deck in Shape
Wash composite decks in spring and fall to remove pollen and mildew, clear leaves out of board gaps and check that water drains freely underneath. Wood components benefit from resealing every couple of years. For more on materials, see our Mississippi decks and outdoor living guide or read about pergola pricing in Mississippi.
Common Questions
How much does a custom deck or pergola cost near the Reservoir?
Many decks fall roughly between $3,000 and $12,000 and pergolas between $2,500 and $8,000, but size, materials and features can move a project outside those ranges. We provide a written estimate after a free site visit.
What decking holds up best near water?
Capped composite and PVC boards are the most resistant to moisture, mildew and rot. Pair them with stainless or coated hardware for the best long-term results.
How long does construction usually take?
One to three weeks is typical, depending on design complexity, footing cure time and weather.
Should the pergola be attached to the house or freestanding?
An attached pergola shades the doorway and creates a smooth transition outdoors, while a freestanding one can sit out toward the water to frame the view. We look at the roofline, the deck layout and where you want shade before recommending one.
Do you put warranties in writing?
Yes. Our workmanship coverage and the manufacturer warranties on decking and other products are explained in writing before work begins.