Deck Cost by State 2026 — Pressure-Treated, Cedar & Composite Per Sq Ft
Deck installation cost $25-$45/sqft (pressure-treated), $35-$55/sqft (cedar), $45-$80/sqft (composite/PVC) in 2026. Composite gets 65-78% resale ROI; California, Washington, Colorado, Utah lead in deck ROI. 300sqft deck total: $7,800 (cheapest PT) to $27,600 (HI composite).
Updated April 2026 · NAHB Remodelers + Houzz 2026 Outdoor Living Trends + Trex/TimberTech regional pricing
All 50 states — deck cost per sq ft & ROI
| State | PT $/sqft | Cedar $/sqft | Composite $/sqft | 300sqft composite total | Resale ROI |
|---|---|---|---|---|---|
| Alabama | $26 | $38 | $50 | $15,000 | 65% |
| Alaska | $41 | $56 | $76 | $22,800 | 52% |
| Arizona | $31 | $44 | $58 | $17,400 | 70% |
| Arkansas | $25 | $36 | $48 | $14,400 | 64% |
| California | $42 | $58 | $75 | $22,500 | 78% |
| Colorado | $36 | $50 | $65 | $19,500 | 75% |
| Connecticut | $39 | $54 | $69 | $20,700 | 71% |
| Delaware | $34 | $47 | $62 | $18,600 | 70% |
| Florida | $30 | $44 | $56 | $16,800 | 72% |
| Georgia | $28 | $41 | $53 | $15,900 | 68% |
| Hawaii | $52 | $71 | $92 | $27,600 | 60% |
| Idaho | $30 | $42 | $56 | $16,800 | 68% |
| Illinois | $33 | $47 | $62 | $18,600 | 67% |
| Indiana | $29 | $42 | $55 | $16,500 | 66% |
| Iowa | $28 | $40 | $54 | $16,200 | 64% |
| Kansas | $28 | $40 | $54 | $16,200 | 65% |
| Kentucky | $27 | $39 | $53 | $15,900 | 65% |
| Louisiana | $27 | $40 | $54 | $16,200 | 64% |
| Maine | $33 | $47 | $61 | $18,300 | 65% |
| Maryland | $35 | $49 | $64 | $19,200 | 71% |
| Massachusetts | $41 | $56 | $73 | $21,900 | 72% |
| Michigan | $31 | $44 | $58 | $17,400 | 67% |
| Minnesota | $33 | $46 | $61 | $18,300 | 68% |
| Mississippi | $25 | $36 | $48 | $14,400 | 62% |
| Missouri | $28 | $40 | $53 | $15,900 | 67% |
| Montana | $30 | $42 | $56 | $16,800 | 65% |
| Nebraska | $28 | $40 | $54 | $16,200 | 65% |
| Nevada | $33 | $47 | $61 | $18,300 | 73% |
| New Hampshire | $35 | $49 | $64 | $19,200 | 70% |
| New Jersey | $39 | $54 | $69 | $20,700 | 73% |
| New Mexico | $28 | $41 | $54 | $16,200 | 67% |
| New York | $41 | $56 | $71 | $21,300 | 73% |
| North Carolina | $28 | $41 | $54 | $16,200 | 71% |
| North Dakota | $30 | $42 | $56 | $16,800 | 62% |
| Ohio | $30 | $43 | $57 | $17,100 | 67% |
| Oklahoma | $26 | $38 | $51 | $15,300 | 67% |
| Oregon | $35 | $48 | $63 | $18,900 | 72% |
| Pennsylvania | $33 | $46 | $61 | $18,300 | 69% |
| Rhode Island | $35 | $49 | $63 | $18,900 | 69% |
| South Carolina | $28 | $40 | $54 | $16,200 | 70% |
| South Dakota | $28 | $40 | $54 | $16,200 | 62% |
| Tennessee | $27 | $39 | $52 | $15,600 | 68% |
| Texas | $28 | $41 | $55 | $16,500 | 72% |
| Utah | $31 | $44 | $58 | $17,400 | 73% |
| Vermont | $33 | $46 | $60 | $18,000 | 64% |
| Virginia | $33 | $47 | $61 | $18,300 | 70% |
| Washington | $37 | $51 | $67 | $20,100 | 75% |
| West Virginia | $27 | $39 | $52 | $15,600 | 62% |
| Wisconsin | $30 | $43 | $57 | $17,100 | 67% |
| Wyoming | $29 | $42 | $56 | $16,800 | 64% |
Per sqft = installed median for typical 300sqft elevated deck with railings, ground-level access. Includes labor + materials + fasteners.
FAQ
How much does a deck cost per square foot in 2026?▼
Deck cost per square foot 2026 by material (national median, installed): PRESSURE-TREATED LUMBER (PT) — $25-$45/sqft. Cheapest, lasts 15-20 years with sealing. Material grade matters: ACQ-treated southern yellow pine standard. Premium grade (Wolmanized, Hi-Bor) +15-20%. CEDAR/REDWOOD — $35-$55/sqft. Naturally rot-resistant, beautiful aging. Lasts 20-30 years. Cedar more popular west; redwood more expensive but better in arid climates. COMPOSITE/PVC (Trex, TimberTech, Fiberon) — $45-$80/sqft. Lasts 25-50+ years. No staining/sealing required. Top brands: Trex Transcend, TimberTech Advanced PVC, Fiberon Promenade. EXOTIC HARDWOODS (Ipe, Mahogany, Cumaru) — $80-$150/sqft. Premium choice; 50+ years lifespan; complex installation. ALUMINUM — $60-$95/sqft. Niche but emerging. Above per square foot includes: materials, labor, fasteners, basic flashing. EXCLUDES: footings/posts beyond standard, railing upgrades (cable rail $80-$150/linear foot, glass $200-$350/lf), permits ($150-$1,500 by jurisdiction), demolition of existing.
How much does it cost to build a 300 sq ft deck?▼
Total cost for typical 300 sqft deck (10x30 or 12x25 elevated with railings) 2026 by material in median state: PRESSURE-TREATED — $7,800-$13,500 installed. CEDAR — $10,800-$16,200 installed. COMPOSITE — $13,500-$23,400 installed. By state for COMPOSITE specifically: cheapest 5 — Mississippi/Arkansas $14,400, Kentucky $15,900, Tennessee $15,600, West Virginia $15,600. most expensive 5 — Hawaii $27,600, California $22,500, Alaska $22,800, New York $21,300, Massachusetts $21,900. PERMITS add $150-$1,500 depending on jurisdiction (Bay Area + Boston + NYC top out, rural states often <$300). DEMO of existing deck $500-$2,500 typical. UPGRADE TIERS: composite + standard rail = baseline. Add cable railing: +$2,500-$5,000. Add stairs: +$200-$400/step. Add deck lighting: +$500-$1,500. Add multi-level: +20-35%. Add hot tub support framing: +$2,000-$4,000.
Composite vs wood deck — which is better?▼
Decision matrix 2026: COMPOSITE (Trex, TimberTech, Fiberon) — Pros: 25-50 year lifespan, no staining/sealing/sanding ever, fade-resistant, splinter-free, available in many colors. Cons: 60-100% more expensive upfront ($45-$80/sqft vs $25-$45 for PT), can stain from grease (BBQ areas), heat retention (dark colors hot in summer), some early generations failed (lawsuits 2010-2018). Pick if: 10+ year horizon, low maintenance critical, premium aesthetic. WOOD (PT, Cedar, Hardwood) — Pros: cheapest upfront, beautiful natural aging, easy to repair board-by-board, can be stained any color. Cons: requires staining every 2-3 years ($1.50-$3/sqft labor), splintering, eventual rot, fasteners pop. Pick if: tighter budget, plan to sell within 5-7 years, like the natural look. EMERGING TRENDS 2026: ALUMINUM decking gaining (60-95/sqft, fireproof, ideal in fire-prone CA/CO areas), TROPICAL HARDWOODS controversial due to deforestation, MODIFIED WOOD (Kebony, Accoya) at $75-$110/sqft as middle-ground (real wood with composite-like durability). Per NAHB 2026 survey: composite now 52% of new decks built, wood 41%, aluminum 5%, exotic 2%.
What is the resale ROI on a new deck?▼
Deck ROI 2026 per NAHB Remodelers Cost vs Value Report: COMPOSITE DECK ADDITION — 65-78% nationally, varies by region. Highest ROI states (composite): California 78%, Washington 75%, Colorado 75%, Utah 73%, New Jersey 73%, Nevada 73%, Texas 72%, Florida 72%, Massachusetts 72%, Oregon 72%. Lowest ROI: Alaska 52%, Hawaii 60%, Mississippi 62%, Vermont 64%, Wyoming 64%. PT WOOD DECK — 65-72% ROI nationally. SLIGHTLY higher % ROI than composite due to lower upfront cost, but absolute dollars added to home value LESS. PRINCIPLES: (1) Match neighborhood — $25k composite deck on $250k home = over-improvement. (2) Right-size — 300-400 sqft optimal; 800+ sqft over-built for most. (3) Quality > quantity — premium railings (cable, glass) recoup poorly compared to extra square footage. (4) Climate matters — rainy/cold climates value covered/3-season decks 90%+ ROI vs uncovered 60%. (5) BEST ROI ADDITION: deck WITH covered/screened section. Adds $5-15k cost but pushes ROI to 80-90%. (6) Realtor surveys 2026: dedicated outdoor entertaining space ranks top-3 most-requested feature in $400-$700k homes.
Do I need a permit to build a deck?▼
Deck permits 2026: USUALLY YES if any of: (1) Deck is more than 30 inches above grade. (2) Attached to house. (3) Includes electrical/gas (lighting, fire features). (4) Replaces structural elements. (5) HOA/CC&Rs require approval (most do). PROBABLY NO if: (1) Free-floating ground-level deck under 30 inches AND under 200 sqft AND not attached. (2) Replacing decking boards on existing structure (no structural change). (3) Some rural counties exempt all decks (rare). PERMIT COSTS: rural counties $150-$400. Suburban $300-$1,500. Major cities (SF, NYC, Boston, Seattle) $1,500-$3,500+ INCLUDING engineering review. ENGINEERED PLAN often required: $500-$2,000 by structural engineer. INSPECTION steps: (1) footing inspection before pouring concrete. (2) framing inspection before decking. (3) final inspection. PENALTIES for unpermitted: forced removal + double fine + property record stigma at sale. WHEN BUYING/SELLING: unpermitted decks often must be permitted retroactively or removed. Adds $2,000-$10,000 to closing. Always pull permits — saves headaches at sale time. Some homeowner insurance won't cover unpermitted structures if they collapse/cause injury.
How long does deck construction take?▼
Deck construction timeline 2026: PERMIT PHASE — 1-8 weeks (depending on jurisdiction). Bay Area + Boston + NYC longest; rural counties often <2 weeks. DESIGN PHASE — 1-3 weeks for designer + plan finalization. Skip this for simple PT decks; required for composite + premium. MATERIAL ORDER — 1-3 weeks. Composite custom orders 3-6 weeks. Cedar/PT often in stock or 1 week. CONSTRUCTION — typical 300sqft basic PT deck: 1 week (5-7 days, weather-dependent). 400sqft composite with custom railing: 2 weeks. 600sqft multi-level with covered section: 3-4 weeks. WEATHER FACTORS: rain delays footings (concrete needs dry); winter freezing prevents footing pour Nov-March in cold climates. Optimal build window: April-October most US. TYPICAL FULL TIMELINE: signed contract → permit issued (3-6 weeks) → materials delivered (1-3 weeks parallel) → construction (1-3 weeks) → final inspection (1 week) = 6-13 weeks total from "let's do this" to "ribbon-cut." Plan ahead for summer use: contract by January-February for July outdoor season.
Should I build the deck myself or hire a contractor?▼
DIY vs contractor decision 2026: DIY MAKES SENSE IF: (1) you have framing experience + tools. (2) deck is ground-level (no footings/structural). (3) you have helpers (decks need 2+ people minimum). (4) free time (300sqft DIY = 60-120 hours typical). (5) materials only $5,000-$8,000 (saves $4,000-$15,000 vs hiring). HIRE CONTRACTOR IF: (1) elevated deck (footings + ledger board attachment to house). (2) any rim joist/structural work (CAUSE OF MOST DECK COLLAPSES per CPSC). (3) electrical/gas installation. (4) tight deadline. (5) value warranty (most contractors warranty 1-2 years labor). (6) selling within 5 years (permit + inspections smoother). DIY GOTCHAS: (1) attaching ledger to house — done wrong = collapse + lawsuit. Use proper through-bolts + flashing. (2) footings — must be below frost line in cold climates (40-48 inches in MN/ME, 6 inches in FL). (3) joist hangers — use galvanized + correct nails (not deck screws). (4) ledger flashing — leaks rot the house. (5) railings — must support 200lb point load per IRC 2024. NEVER DIY ledger attachment in cold climates without engineering review.