Deck Cost Calculator
Calculate your deck installation cost instantly. Get accurate 2025 estimates for wood, composite, and hardwood decks — compare all materials and see prices across all 50 states.
Deck Cost by Material (2025)
| Decking Material | Cost per Sq Ft | Lifespan | Maintenance |
|---|---|---|---|
| Pressure Treated Pine | $15–$30/sq ft | 15–20 yrs | High |
| Cedar | $20–$40/sq ft | 20–30 yrs | Medium |
| Redwood | $25–$50/sq ft | 25–35 yrs | Medium |
| Composite (Trex/Azek) | $28–$60/sq ft | 25–30 yrs | Low |
| Hardwood Ipe | $35–$75/sq ft | 30–50 yrs | Low |
| PVC / Cellular PVC | $30–$65/sq ft | 25–30 yrs | Very Low |
Deck Installation Cost by State (2025)
Average cost for a 400 sq ft attached deck with composite decking, railing, and stairs, professionally installed.
| State | Low Estimate | Average Cost | High Estimate |
|---|---|---|---|
| Alabama | $7,800 | $11,700 | $21,000 |
| Alaska | $13,800 | $20,700 | $36,000 |
| Arizona | $9,100 | $13,650 | $24,500 |
| Arkansas | $7,500 | $11,250 | $20,000 |
| California | $12,800 | $19,200 | $34,500 |
| Colorado | $10,500 | $15,750 | $28,000 |
| Connecticut | $12,000 | $18,000 | $32,000 |
| Delaware | $10,800 | $16,200 | $29,000 |
| Florida | $9,300 | $14,000 | $25,000 |
| Georgia | $8,700 | $13,050 | $23,500 |
| Hawaii | $15,500 | $23,250 | $41,000 |
| Idaho | $8,500 | $12,750 | $23,000 |
| Illinois | $10,700 | $16,050 | $28,500 |
| Indiana | $8,800 | $13,200 | $23,500 |
| Iowa | $8,400 | $12,600 | $22,500 |
| Kansas | $8,100 | $12,150 | $21,500 |
| Kentucky | $8,000 | $12,000 | $21,500 |
| Louisiana | $8,700 | $13,050 | $23,500 |
| Maine | $11,200 | $16,800 | $30,000 |
| Maryland | $11,500 | $17,250 | $31,000 |
| Massachusetts | $13,200 | $19,800 | $35,000 |
| Michigan | $9,600 | $14,400 | $25,500 |
| Minnesota | $10,200 | $15,300 | $27,000 |
| Mississippi | $7,300 | $10,950 | $19,500 |
| Missouri | $8,700 | $13,050 | $23,500 |
| Montana | $9,300 | $13,950 | $25,000 |
| Nebraska | $8,300 | $12,450 | $22,000 |
| Nevada | $9,900 | $14,850 | $26,500 |
| New Hampshire | $11,800 | $17,700 | $31,500 |
| New Jersey | $12,800 | $19,200 | $34,000 |
| New Mexico | $8,200 | $12,300 | $22,000 |
| New York | $13,500 | $20,250 | $36,000 |
| North Carolina | $9,000 | $13,500 | $24,000 |
| North Dakota | $8,600 | $12,900 | $23,000 |
| Ohio | $9,400 | $14,100 | $25,000 |
| Oklahoma | $7,900 | $11,850 | $21,000 |
| Oregon | $11,500 | $17,250 | $31,000 |
| Pennsylvania | $10,400 | $15,600 | $27,500 |
| Rhode Island | $12,000 | $18,000 | $32,000 |
| South Carolina | $8,800 | $13,200 | $23,500 |
| South Dakota | $8,200 | $12,300 | $22,000 |
| Tennessee | $8,500 | $12,750 | $22,500 |
| Texas | $9,500 | $14,250 | $25,500 |
| Utah | $9,700 | $14,550 | $26,000 |
| Vermont | $11,700 | $17,550 | $31,000 |
| Virginia | $10,500 | $15,750 | $28,000 |
| Washington | $12,300 | $18,450 | $33,000 |
| West Virginia | $7,800 | $11,700 | $21,000 |
| Wisconsin | $9,800 | $14,700 | $26,000 |
| Wyoming | $9,000 | $13,500 | $24,000 |
How Much Does a Deck Cost in 2025?
Deck installation costs range from $4,000 for a small pressure-treated wood deck to $60,000+ for a large, multi-level composite deck with premium features. The national average is approximately $15,000 for a mid-size attached deck with composite decking. Your total cost depends on deck size, material, complexity, and local labor rates.
Deck Material Comparison
Pressure-Treated Wood ($15–$30/sq ft)
Pressure-treated pine is the most affordable decking material and is widely available. It's treated with preservatives that resist rot, insects, and moisture. The main drawback is ongoing maintenance requirements — plan to stain or seal every 2–3 years to prevent cracking, warping, and graying. Over a 20-year period, maintenance costs add $3,000–$8,000 to the total cost of ownership.
Cedar and Redwood ($20–$50/sq ft)
Natural cedar and redwood are naturally resistant to rot and insects, offering a beautiful aesthetic at a moderate price. Cedar requires less maintenance than pressure-treated but still benefits from periodic sealing. Western red cedar typically lasts 20–30 years with proper care. Redwood is rarer and more expensive but extremely durable.
Composite Decking ($28–$65/sq ft)
Composite decking (brands like Trex, TimberTech, Azek) combines wood fiber and recycled plastic. It's virtually maintenance-free — no staining, no sealing, no splinters. Premium composite products carry 25-year warranties. While more expensive upfront, composite saves thousands in maintenance over time. It's the fastest-growing segment of the decking market for good reason.
Exotic Hardwood Ipe ($35–$75/sq ft)
Brazilian Ipe is one of the hardest, most durable decking materials available — naturally resistant to rot, insects, and fire. It can last 40–50+ years with minimal maintenance. The deep brown color weathers to silver-gray naturally. The high upfront cost is partially offset by its exceptional longevity and the fact that it requires minimal maintenance compared to domestic wood species.
Additional Deck Costs
The base deck structure is just the starting point. Railing adds $50–$120 per linear foot. Built-in stairs cost $150–$500 per flight. A pergola or shade structure adds $4,000–$15,000. Built-in benches cost $300–$1,500. Deck lighting adds $500–$2,500. A fire pit or outdoor kitchen integration can add $3,000–$20,000. Always budget 20–25% above the base deck cost for these extras.
Frequently Asked Questions
A new deck costs $15–$60 per square foot installed, depending on material. A typical 300 sq ft deck with pressure-treated wood costs $4,500–$9,000. A 400 sq ft composite deck runs $11,000–$24,000. Large, multi-level, or premium material decks cost $30,000–$60,000+. The national average is around $15,000 for a mid-size deck.
Pressure-treated pine is the most affordable option at $15–$30 per square foot installed. It's structurally sound and widely available but requires regular maintenance — staining or sealing every 2–3 years ($2–$5/sq ft). Over a 20-year period, the total cost of pressure-treated decking often approaches or exceeds composite, which requires almost no maintenance.
For most homeowners, yes. Composite decking (Trex, Azek, TimberTech) costs $28–$60/sq ft installed — 30–100% more than pressure-treated — but requires almost no maintenance beyond occasional cleaning. No staining, no sealing, no splinters, and most products carry 25-year fade and stain warranties. Over a 20-year ownership period, composite often costs less than wood when you factor in maintenance.
Most municipalities require a permit for decks attached to the house, elevated decks over 30 inches high, or decks over 200 sq ft. Permit costs range from $50–$500. A professional contractor typically handles permit applications as part of the project. Building without a permit can cause issues at resale and may require demolition if discovered during inspections.
A simple ground-level deck takes 2–4 days. A standard attached deck takes 3–7 days with a crew of 2–3. Complex multi-level decks or those with pergolas, built-in features, or difficult access may take 1–2 weeks. Weather delays are common — contractors need dry conditions for proper fastening and finishing.
Decks typically return 65–75% of their cost at home resale, making them one of the better outdoor improvement investments. A wood deck on a $400,000 home typically adds $8,000–$15,000 to value. Composite decks may return slightly less at resale but provide better enjoyment during ownership. Location matters — decks add more value in warmer climates with longer outdoor living seasons.