Decks · Timeline

Deck timeline

A deck build runs in a fixed sequence: design and bids, permit application, utility locate through 811, footings, posts and beams, ledger and flashing, joists, framing inspection, decking, railing and stairs, then final inspection. The build itself is rarely the slow part — permit review and inspector scheduling are, and both are controlled by your local building department.

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Before anything moves, the permit has to be applied for and the utility locate called in. Footings must not be built over septic systems, leach fields, utility lines or enclosed meters, so the 811 call is both a legal step and a design input. Ask your building department at the same time how long review takes and how much notice inspectors need.

Footings first, and they're weather-dependent. They must bear on undisturbed soil at least 12 inches below the undisturbed ground surface or below the frost line, whichever is deeper, and bearing conditions must be verified in the field by the building official before concrete is placed. Frozen or saturated ground stops this step regardless of anyone's schedule.

The framing inspection is the gate. It happens before the decking covers everything up. If your builder wants to lay boards before that inspection, stop them — that's the difference between a correction and a demolition.

Final inspection ends the project, not the last board. The deck should not be used or occupied until final inspection and approval is obtained. Plan your first cookout after that, not before.

How to choose

Start the permit before you finalize materials: Review time is the most common cause of delay and it's entirely outside your builder's control.
Call 811 early: It's free, it's required before digging, and it can change where footings go.
Don't let decking go down before the framing inspection: Covering unapproved framing is how a small correction becomes a teardown.
Expect weather to move footing day: Footings must bear on undisturbed soil below frost depth and be verified in the field before concrete.
Tie the final payment to final approval: The deck isn't finished until it's approved for use.

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FAQ

Decks timeline — common questions

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How long does it take to build a deck?

The construction is usually the short part; permit review and inspection scheduling drive the calendar and both are set by your local building department. Ask them for current review times before you plan around a date.

What inspections does a deck need?

Typically a footing or framing inspection before the structure is covered, and a final inspection. Your jurisdiction sets the exact schedule — confirm it when you apply.

Can I use the deck before final inspection?

No. Under the standard prescriptive deck guide, decks should not be used or occupied until final inspection and approval is obtained.

What causes deck project delays?

Permit review, inspector availability, weather affecting footings, and change orders. The first two are outside your builder's control; the third is partly, and the fourth is entirely on how well the scope was defined up front.

Sources

Where these figures come from

American Wood Council — DCA 6 Prescriptive Residential Wood Deck Construction Guide · retrieved 2026-07-26
Fixr — Cost to Build a Deck · retrieved 2026-07-26