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  • How Much does it Cost to Finish a Basement in 2026?
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In 2026, the cost to finish a basement in Centennial, Colorado, is determined primarily by the total square footage and the desired finish level. Costs are categorized into three main tiers:

  1. Basic Finish: This tier typically ranges from $30 to $100 per square foot. It generally includes laminate or carpet flooring, drop ceilings, and paint-grade drywall.
  2. Standard Finish: Costs range from $50 to $130 per square foot. This level often features Luxury Vinyl Plank (LVP) or tile flooring, textured drywall ceilings, and upgraded lighting layouts.
  3. Premium Finish: This high-end tier starts at $75 and can exceed $150 per square foot. It includes luxury materials like engineered wood or natural stone, custom tray ceilings, and high-end features such as wet bars or custom wall panels.

Additional Cost Factors:

  • Egress Windows: Required by code for any basement bedroom, these range from $1,500 to $6,500 depending on excavation and size.
  • Bathroom Additions: Adding a bathroom can cost between $5,000 and $25,000.
  • Wet Bars: Depending on the level of customization, wet bars range from $3,000 to $20,000.
  • Permits: Local permitting and code compliance fees typically range from $500 to $2,000.

All estimates are considered preliminary until a professional on-site inspection is conducted to evaluate specific structural conditions and moisture levels.


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