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Timber deck with a picnic table and rope-edged railing looking out over a valley

Deck Replacement in Smithtown, NY

When the frame has gone and not just the boards: full tear-out, careful disposal of older treated lumber, new footings, and a deck built to the current code.

Signs a Deck Is Past Repairing in Smithtown

Surface damage is a resurface. Damage in the structure is a replacement. These are the six conditions that usually settle the argument, and most of them are underneath where nobody looks.

Spongy Posts

An awl pushes into a support post without much effort. Rot at the base of the member carrying the most load is not a patch.

Soft Band Joist

The house framing behind an unflashed ledger has gone soft, so the bolts are no longer gripping sound wood.

Lifted Piers

Piers that never reached three feet ride the freeze-thaw up and down, and the deck racks a little further each winter.

Nails Only

The ledger is held on with framing nails or deck screws. Neither has the withdrawal capacity the connection needs.

Nothing Sideways

No hold-down devices anywhere. Common on decks framed before lateral anchorage was written into the code.

Veneer-Bolted

The ledger is fixed to brick or stone cladding. Veneer is not structure and cannot carry a deck.

Why us

Replacing a 1970s Smithtown Deck

Most replacements here are on their second or third go. The house is older than the deck, the deck is older than the current code, and the lumber coming out is usually not the lumber going back.

The Old Lumber Question

Anything built before 2004 is likely CCA-treated. It goes to an authorised facility, never a burn pile and never a chipper.

New Holes, Not Old Ones

Piers from the first deck rarely sit where the new frame wants them, and rarely deep enough. We dig fresh rather than reuse.

House Side Checked First

Before anything is bolted back on, the band joist and sheathing behind the old ledger get opened up and probed.

Anchorage Brought Current

Hold-down tension devices go in on the rebuild whether or not the deck being removed ever had them.

Site Kept Workable

Demolition debris goes out on our trucks through licensed carters, not into your bins or across your lawn for a fortnight.

Chance To Change It

A rebuild is when the shape, the height and the stair position can move. Cheaper now than in ten years.

How a Replacement Runs

Tear-out, ground work, rebuild, sign-off, with the disposal route settled before the first board comes up.

1

Assessment

We probe posts, joists, stringers and the band joist behind the ledger, then say plainly whether this is a replacement or a smaller job.

2

Tear-Out

The old deck comes off in sections, with pre-2004 treated lumber kept separate for authorised disposal.

3

Ground Work

New piers to depth, inspected open before the pour.

4

Rebuild

Frame, flashing, anchorage, decking, guards and stairs, then the final inspection with the town.

Close view of grey weathered deck boards with raised grain and open checks Deck joists and beams in place with the decking not yet laid
11787Smithtown, NY

Why Is Smithtown Replacing So Many Decks Right Now?

Because the town's housing arrived in one long wave and the decks are aging in one wave behind it. The median Smithtown house dates to roughly 1967, and the first generation of back-yard decks bolted onto that stock went up in the 1970s and 1980s. Those frames predate lateral anchorage rules, they were often nailed rather than bolted at the ledger, and the lumber in them is usually CCA-treated. Thirty freeze-thaw winters later the piers have moved and the band joist has softened. We tear out, dispose of the old material properly, dig new footings and rebuild the whole structure.

  • Full structural tear-out
  • Pre-2004 lumber separated
  • Fresh piers to depth
  • House side opened and probed
  • Anchorage brought current
  • Layout can change

Smithtown housing, in numbers

1967Median year a Smithtown home was built
3 ftDesign frost depth the new piers are dug to
2004Residential CCA-treated wood production ended
8 inHeight above grade that triggers a town permit
Straight answer

Half the decks I look at do not need replacing. If the frame probes solid and the ledger is flashed, I will tell you to re-deck it and keep the structure. The other half, the honest answer is that no amount of new boards fixes what is underneath them.

Service Area

Deck Work Across the Town of Smithtown

Coverage runs the whole Town of Smithtown and past its edges, from Fort Salonga down to Ronkonkoma and east to Stony Brook. Kings Park, St. James and Nesconset are short runs. Prices go in writing first, and a job at the far end of the map costs what one down the road costs.

Smithtown Kings Park St. James Nesconset Commack Hauppauge Fort Salonga San Remo Nissequogue Head of the Harbor Village of the Branch East Northport Northport Stony Brook Setauket-East Setauket Centereach Lake Grove Ronkonkoma
Questions

Replacing a Deck in Smithtown

It turns on where the damage is, not how much of it there is. Cupped, split or weathered boards over a sound frame is a resurface. Rot or movement in the posts, beams, joists or ledger is a replacement. A thumb-sized soft spot can be cut out and treated; a soft support post cannot.
Yes. The town's threshold applies to the deck being built, not to whether one stood there before, so any replacement over eight inches above the lowest point of grade needs a building permit. It also means the new deck is held to the 2025 Residential Code of New York State rather than whatever applied in 1982.
It goes to an authorised construction and demolition or municipal waste facility. New York's environmental rules are explicit that CCA-treated lumber must not be burned in any fireplace, stove, outdoor boiler or open fire, and must not be chipped into mulch or composted. Contractors move it through licensed private carters.
Rarely worth it. Piers under a 1970s or 1980s deck were often not taken to three feet, and after decades of freeze-thaw many have shifted. They also sit where the old frame wanted them rather than where the new one does. New holes cost less than chasing a frame around old ones.
The tear-out itself is usually quick. The waiting is around the footing inspection, which has to happen with the holes open before any concrete, and around the framing inspection before decking covers the structure. Weather and the inspection calendar set the pace more than the carpentry does.
That is the best argument for a replacement over a patch. Height, footprint, stair position and railing style are all open at the drawing stage and effectively closed afterwards. Setbacks still apply, so the footprint gets checked against zoning before the plans are drawn.

Find Out Which Job This Is

We probe the posts, joists and the band joist behind the ledger, then tell you whether this is a resurface or a rebuild. The answer is often the cheaper one.

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