A basic basement finish (flooring, drywall, lighting, no plumbing) typically runs $15,000–$30,000; adding a bathroom or wet bar pushes that to $30,000–$60,000+ depending on scope. It's a large, often-searched category adjacent to kitchen and bath work that many remodelers are equipped to do but don't actively market.
If basement work is part of what you offer, even occasionally, a dedicated page capturing this search volume is worth building - it's a genuinely different search intent than "kitchen remodeler" and reaches homeowners you'd otherwise miss entirely.