Basement Finishing
Converting raw basement space into finished rooms — framing, flooring, drywall, HVAC. Built to code and inspected.
Learn moreService
Basement Remodeling in St. Louis, MO
Updating existing basements — new flooring, walls, lighting, and layout. Permits, inspections, and waste removal included.
How it works
Simple from the first call
- 1
Tell us what you need
Call or send a request — describe what's going on and STL Basement Finishing gives you a straight answer and clear pricing before anything starts.
- 2
We handle it
The right person confirms exactly what's needed, you approve the plan, and the work gets done properly — no upsell theater.
- 3
You see the result
Nothing is finished until you can see it's done right — and the work is stood behind.
Where we work
Available across the St. Louis metro
St. Louis, MO East Saint Louis, IL Venice, IL Cahokia, IL Madison, IL Alorton, IL Centreville, IL Washington Park, IL Granite City, IL Fairmont City, IL Hillsdale, MO O'Fallon, MO …and nearby communities
Need basement remodeling? We're ready to help.
From rough framing to finished bar — we handle permits, permits, and cleanup. Most projects start within 2 weeks.
Related
Other services
Basement Bar Construction
Custom bar builds in finished basements — countertops, shelving, sink rough-in, and electrical. Permits and inspections included.
Learn moreBasement Bathroom Addition
Adding full or half bathrooms to basements — rough-in plumbing, venting, framing. Licensed plumber coordinates final hookup.
Learn moreLoad-Bearing Wall Assessment and Framing
Evaluating basement walls for load-bearing capacity and installing support posts or beams. Permits and structural inspections included.
Learn morePlywood Subfloor Installation
Installing subfloor over concrete — plywood or engineered boards on sleepers or joists. Moisture-resistant, level, and code-compliant.
Learn moreBasement Flooring
Carpet or hardwood over subfloor — moisture-resistant options, professional install, and finished trim. Backed by warranty.
Learn moreBasement Heating Installation
Adding heat to finished basements — ductwork extensions, mini-splits, or radiant systems. Sized correctly and permitted.
Learn more