Deck Building Guides
Honest cost breakdowns and expert tips for building decks around Lake Norman.
How much should a 20x20 deck cost?
A 20x20 deck runs about $19,200 in pressure-treated wood or $24,000+ in composite around Lake Norman. See the full 2026 cost breakdown by material from Lakeshore Decks Construction.
What is the 3-4-5 rule for deck-building?
The 3-4-5 rule is a simple way to get perfectly square deck corners. Measure 3 feet one way, 4 feet the other, and the diagonal should be exactly 5 feet. Here is how the pros use it.
How much does it usually cost to build a deck?
Most decks near Lake Norman cost between $4,800 and $14,400 in 2026, averaging around $9,600, or $36 to $72 per square foot depending on size and material. Full breakdown inside.
Can you build a deck for $5000?
Yes, $5,000 can build a deck near Lake Norman, but a small one. Expect about a 10x10 ground-level pressure-treated deck. Here is exactly what that budget covers in 2026.