Insured 20+ years across Texas, Illinois & Indiana USACE/permits handled
Last Updated: June 2026 — current timber pier materials and pricing.
Pier Materials Guide
A wood (timber) pier is an elevated walkway or platform built over the water on CCA pressure-treated pilings, stringers, joists, and decking, giving you deep-water access for swimming, fishing, and tying off a boat. Treated timber is the lowest-cost way to build a pier and the easiest to repair one board or one piling at a time, which makes it the default choice for residential lake, pond, and river waterfronts. Installed cost starts around $40 per square foot of deck area. We build, replace, and repair wood piers across Texas, Illinois, and Indiana — from our Houston base (base #1, Houston + 120 miles) and our Chicago base serving all of Illinois and Indiana.
Best for: residential lake, pond, and river piers and boat docks.
Lifespan: about 20–30 years for CCA-treated timber in freshwater (less in saltwater).
Load: ample for pedestrian and light recreational use; size up framing for utility carts.
Cost-effective treated-timber piers and docks for freshwater lakes, ponds, and rivers — classic look, simple sectional repairs.
A timber pier is a framed deck carried over the water on a grid of pilings. A line of treated timber pilings is driven, jetted, or set into the bed until each one reaches load-bearing soil; stringers (girders) run along the tops of the piles and joists cross between them to carry the deck; and cross-bracing below stiffens the bents against wind, wave, and the push of a moored boat. Treated decking finishes the walking surface, and a bull rail or cap trims the edge. The whole deck sits at a set freeboard above the high-water line so it stays dry and clears wave action. Get the pile embedment and bracing right and the pier shrugs off storms; skimp on either and the frame racks and the deck begins to sag.
Treated timber wins on upfront cost and on simple repairs — you can swap worn deck boards, sister a stringer, or splice one piling without touching the rest of the pier. The trade-off is upkeep and service life: a timber deck needs periodic sealing and eventually grays and splinters, and submerged piles are vulnerable to rot and borers. Wood is the right call for a sheltered freshwater lake, pond, or river pier on a sensible budget. If you want a no-maintenance walking surface, step up to a composite pier; if you need a fluctuating-water or seasonal structure, look at an aluminum pier; and for commercial load or a permanent marina, compare a concrete pier. To weigh every option, see the full lineup on our pier & dock hub.
Per square foot of deck, a standard freshwater timber pier is built from the following components:
| Component | Typical spec | Role |
|---|---|---|
| Timber piling | 8" round or 8×8 CCA, 6–8 ft on center | Vertical foundation driven or jetted to load-bearing soil |
| Stringer / girder | 2-ply 2×10 or 2×12 treated | Beams along the pile tops carrying the deck |
| Joist | 2×8 treated, 16" on center | Cross members supporting the decking |
| Decking | 5/4×6 or 2×6 treated | Finished walking surface |
| Cross-bracing | 2×8 treated, X-brace per bent | Stiffens the frame against wave and lateral load |
| Hardware | Hot-dip galvanized or stainless | Bolts, hangers, and brackets that hold it together |
Our crews follow a consistent build sequence so the finished pier carries load and sheds weather for decades:
Most residential timber piers run a few working days to about two weeks on site once permitting clears — pile setting is the slow part, while framing and decking go quickly.
A CCA-treated timber pier lasts roughly 20–30 years in freshwater, with the decking surface usually wearing out before the pilings. In saltwater and brackish water it lasts less, because marine borers attack the submerged piles. Timber is a maintained material: re-seal the deck on a regular cycle, keep fasteners tight, watch the splash zone and mud line for soft or punky wood, and replace cupped or cracked boards before they become trip hazards. Caught early, most issues are a one-board or one-pile repair rather than a rebuild.
On real pier inspections, the warning signs we look for are consistent:
Any one of these is reason for a site evaluation. A few deck boards, one sistered stringer, or a single spliced piling is a repair; once most piles are rotted at the mud line and the frame is racking, a full replacement is usually safer and cheaper than repeated patching. Compare the long-game options on our composite and aluminum pier guides.
Wood piers start at $40 per square foot of deck area (labor and materials) and run up to about $75 per square foot with deeper water, longer pilings, higher load ratings, and difficult access. Because pricing follows deck area, a narrow 4-foot walkway costs far less than a wide platform of the same length — widen the deck or add an L- or T-head and the square footage climbs. What moves the final number most is water depth, pile length and how the piles are set, soil type, and whether an old structure has to be removed first. Demolition is quoted as a separate line item.
For a full breakdown by city and pier size, see a local cost guide or run the numbers yourself:
Every wood pier follows the same disciplined sequence: site assessment and design, pile setting and alignment, framing and bracing, then decking and edge trim. Because a pier is built in and over the water, the work almost always requires permits — federal review (USACE Section 10 / Section 404) plus state and local approval, such as TCEQ/GLO in Texas, the IDNR Office of Water Resources in Illinois, and the Indiana DNR. We handle the permitting and agency coordination so the project moves without stop-work surprises.
Treated timber is at its best on freshwater, so we build wood piers on inland lakes, reservoirs, ponds, and rivers. We run two regional bases so crews stay close to the job and to the permitting authorities that review it:
On coastal, bay, and tidal lots we keep the timber up in the framing and deck and set concrete or steel pilings below, where marine borers would otherwise attack the wood.
Common questions we answer for waterfront owners — wood pier lifespan, cost per square foot, wood vs composite, the lumber and CCA grade we use, repair vs replacement, build time, saltwater suitability, and permits.
A CCA pressure-treated timber pier typically lasts about 20–30 years in freshwater lakes and rivers, with the decking surface wearing out before the pilings. In saltwater and brackish water it lasts less, because marine borers (Teredo and Limnoria) attack the submerged piles — there we usually set concrete or steel pilings under a timber or composite deck.
Wood piers start around $40 per square foot of deck area installed (labor and materials) and run up to about $75 per square foot with deeper water, longer pilings, higher load ratings, and tough access. Pricing is by deck area, so a 4-foot-wide walkway costs far less than a wide platform of the same length. Demolition of an old structure is a separate line item.
Treated wood is the most cost-effective deck surface and is easy to repair one board at a time, but it needs periodic sealing and eventually grays, splinters, and cups. A composite deck costs more up front but resists rot and splinters and needs almost no maintenance for 25–30 years, which makes it the better long-term value on a high-traffic family pier.
We build with CCA (chromated copper arsenate) pressure-treated marine-grade lumber — typically round or square timber pilings, 2×10 or 2×12 stringers and joists, and 5/4×6 or 2×6 treated decking, all fastened with hot-dip galvanized or stainless hardware. Standard yard lumber is not rated for water contact and fails quickly.
Timber's big advantage is piece-by-piece repair — you can replace worn decking boards, sister a cracked stringer, or splice and reinforce a single rotted piling without rebuilding the whole pier. Once a majority of the pilings are rotted at the mud line, the frame is racking, and the deck is sagging, a full replacement is usually safer and cheaper than repeated patching.
Most residential timber piers take a few working days to about two weeks on site once permitted, depending on deck area, water depth, and how the pilings are set. Pile driving or jetting is the slow step; framing and decking go quickly once the foundation is in. Permitting time comes before mobilization.
They can be built with marine-grade CCA, but saltwater and brackish water shorten timber life because marine borers eat the submerged piles. On coastal, bay, and tidal sites we usually set concrete or steel pilings and keep the timber up in the framing and deck, where it stays out of the borer zone.
Almost always. A pier is a structure built in and over the water, so it typically triggers federal review (USACE Section 10 / 404) plus state and local approval. Like-for-like residential replacement often qualifies for faster handling. We manage the permitting and agency coordination for you.
Whether it's a lakefront lot on Lake Conroe within 120 miles of Houston, an inland Illinois lake, or a northern Indiana glacial-lake shoreline, contact Shore Protect Construction for a site evaluation and a clear, itemized timber pier estimate.
At Shore Protect Construction, we take pride in our recent projects, where we've built and renovated bulkheads, seawalls, piers, docks, and boardwalks. Our latest work includes custom-designed waterfront structures that blend durability with aesthetics, protecting properties from erosion while enhancing their value. Whether it's a brand-new installation or a complete renovation, our team delivers top-notch craftsmanship tailored to your shoreline needs.
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