How Much Does a Deck Cost in Utah Valley in 2026?

Building a deck in Utah Valley in 2026? The short answer: most homeowners spend between $8,000 and $50,000+, with the average fully built composite deck landing around $22,000 for 350–450 square feet.

Cost by material

• Pressure-treated wood: $25–$35/sq ft installed. Cheapest upfront, requires staining every 2–3 years.
• Cedar: $30–$45/sq ft. Naturally rot-resistant, ages beautifully, mid-tier maintenance.
• Composite (Trex Enhance, TimberTech Edge): $45–$65/sq ft. Low maintenance, 25–30 year warranty.
• Premium composite/PVC (Trex Transcend, TimberTech AZEK): $60–$90/sq ft. Most heat- and UV-resistant for Utah's climate.

Cost by size

• 12 × 16 (192 sq ft): $7,000 – $14,000
• 16 × 20 (320 sq ft): $12,000 – $25,000
• 20 × 24 (480 sq ft): $20,000 – $42,000
• Multi-level / wraparound: $30,000 – $80,000+

What drives Utah Valley pricing in 2026

Lumber prices have stabilized but composite is still up ~8% year-over-year. Permit costs vary by city — Lehi and Vineyard run higher than Provo or Spanish Fork. Snow-load engineering adds $300–$700 to most projects.

Hidden costs to watch for

• Permit fees: $150–$400 depending on city
• HOA review fees: $50–$200 in many Utah Valley subdivisions
• Demo of an old deck: $1,500–$3,500
• Lighting, gas line for firepit, hot tub support: $800–$4,000+

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