716 Basement Finishing Cost in Buffalo & Erie County
Short answer
One Erie County remodeler publishes these planning ranges: about $20,000 to $40,000 for an open finished space, $40,000 to $65,000 with rooms, a bar and built-ins, and $65,000+ for a full suite with a bathroom (Rams Remodeling & Construction). Treat a single company's ranges as a starting point and compare multiple written estimates.
Published cost ranges
| Item | Range | Source |
|---|---|---|
| Open finished space | $20,000 to $40,000 | Rams Remodeling & Construction |
| Rooms, bar and built-ins | $40,000 to $65,000 | Rams Remodeling & Construction |
| Full suite with bathroom | $65,000+ | Rams Remodeling & Construction |
These are third-party published estimates retrieved October 2026, not quotes from 716 Basement. Your price depends on your house.
What drives the price
- Square footage
- Adding a bathroom and whether an ejector pump is needed
- Egress windows for bedrooms
- Moisture control and insulation on foundation walls
- Finish level: flooring, ceilings, cabinetry
Frequently asked questions
Should I waterproof before finishing?
Yes. Fixing water after finishing means tearing out new work.
Why only one source?
Few local companies publish prices. We will add more sources as we find them.
Sources
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