Deck costs in Montrose typically range from $25-45 per square foot for pressure-treated lumber construction, with composite materials running $35-60 per square foot. The final price depends on size, materials, site conditions, and design complexity.A basic 12×16 pressure-treated deck might cost $4,800-7,200, while the same size in composite materials could run $6,720-15,360. Multi-level designs, built-in features, and challenging site conditions increase costs. We provide detailed written estimates that break down material and labor costs so you understand exactly what you’re paying for.