Deck Building Cost in Maryland (2026)
Deck Building in Maryland runs about 10% above the national average. A typical 320 sq ft project starts around $5,280–$8,800 for pressure-treated wood. Estimate your exact project below.
Deck Building Cost Calculator
Adjust the details for an installed-cost range tailored to you.
Length × width of the deck surface. A 16×20 deck is 320 sq ft.
Ballpark estimate for planning — not a quote.
Get your exact price from local deck pros
This is a ballpark — compare up to 3 free, no-obligation quotes from vetted contractors in Maryland.
Deck Building cost in Maryland by material
Installed cost for a typical 320 sq ft project in Maryland.
| Material | Per sq ft | Typical MD project |
|---|---|---|
| Pressure-treated wood | $16.5–$27.5 | $5,280 – $8,800 |
| Cedar / redwood | $27.5–$44.0 | $8,800 – $14,080 |
| Composite (Trex-style) | $33.0–$66.0 | $10,560 – $21,120 |
What affects your Maryland cost
- Decking material and railing style
- Height off the ground and stairs
- Footings, framing and permits
- Built-ins (benches, pergola, lighting)
- Local labor rates
Maryland deck building — FAQ
How much does deck building cost in Maryland?
In Maryland, a typical 320 sq ft deck building project runs about $5,280–$8,800 for pressure-treated wood, installed. That's about 10% above the national average. Higher-end materials cost more — use the calculator above for your exact size and material.
How much does deck building cost per sq ft in Maryland?
In Maryland, installed deck runs about $16.5–$66.0 per sq ft depending on material (pressure-treated wood $16.5–$27.5, cedar / redwood $27.5–$44.0, composite (trex-style) $33.0–$66.0). That's about 10% above the national average.
How much does it cost to build a deck in 2026?
A typical 320 sq ft deck runs about $5,000–$8,000 in pressure-treated wood, or $10,000–$19,000 in composite, installed. Size, height, railings and material drive the price — use the calculator for a localized estimate.
Is composite decking worth it?
Composite costs roughly 1.5–2× wood up front but eliminates staining/sealing and lasts 25–30+ years, so total cost of ownership is often lower. It's the popular choice for homeowners who don't want annual maintenance.