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Four Corners Remodeling Group
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Basement Finishing Experts in Chicagoland

Chicagoland basement experts, moisture-smart finishing that turns unused square footage into real living space.

Schedule a design consultationTry basement planner

In Chicagoland, unfinished basements are some of the highest-value square footage homeowners already own. Four Corners starts with Midwest realities: moisture, insulation, ceiling height, egress, and comfort. Then we build rooms the household will use.

Some clients want a game-day room: wet bar, big screen, seating that fills up on Sundays, while others want a play space built for noise, with storage that hides it by dinner, and most want some of both plus a guest suite. We plan the level around how this household uses it. Warm floors. Decent light. Materials that survive below grade.

Basement projects succeed when the hard parts are handled early. Moisture, ventilation, electrical, plumbing for a bath if you need one, finishes that hold up downstairs. If the remodel also includes an upstairs kitchen or bath, one team can keep both coordinated.

Typical investment ranges

Chicago-area basement finishing typically runs about $55–$140+ per square foot. Most of our projects fall into one of these ranges. We take on projects starting around $20,000.

  • Solid & comfortable

    Typically $40k–$75k

    Open family room, quality flooring, lighting, drywall ceilings, moisture-smart prep. Great for straightforward layouts.

  • Custom rooms & bath

    Typically $75k–$150k

    Defined rooms (media area, office, guest suite) plus a full bath, wet bar rough-in, built-ins, and upgraded finishes.

  • Premium lower level

    $150k–$250k+

    High-end finishes throughout: theater, gym, bar, full suite, ceiling-height or layout changes, designer selections.

These are typical ranges, not a quote. Your proposal comes after design. Explore remodeling financing if monthly payments help you move forward on the right scope.

Our basement finishing focus

  • Moisture and comfort planning before finish work
  • Egress, insulation, lighting, and code-aware layouts
  • Family rooms, offices, suites, media spaces, and baths below grade
  • Consumer financing options for larger basement projects

Design-build process

Every basements project follows the same clarity path from consultation to warranty. See the full process.

  1. 1. Design consultation

    An expert designer from our team walks the home with you and talks through your goals, and how you want to live in the space.

  2. 2. Design & written proposal

    You get a clear scope, a written proposal with options, and a milestone payment schedule. Never a large upfront deposit. Changes only happen through a written change order you approve first.

  3. 3. Permits handled for you

    Chicago-area permits and inspections are on us. You never chase the village or the city.

  4. 4. Build with a dedicated project lead

    One person owns your project and keeps you updated on a set cadence. Daily cleanup, floors protected, no surprises.

  5. 5. Walkthrough & workmanship warranty

    We do a final walkthrough together and stand behind the work in writing after we leave.

What we put in writing

  • Written proposals with clear scope, not vague estimates
  • Milestone payments with no large upfront deposit
  • Permits and inspections handled for you
  • Written workmanship warranty

Common questions

What makes basement finishing different in Chicago?
Midwest basements face moisture, insulation, and comfort challenges that above-grade rooms do not. Clay soils and a high water table make waterproofing and vapor control effectively mandatory before finish work. A strong plan addresses those first, then framing, lighting, flooring, and the rooms you want to live in.
Can you build a home theater, gym, golf simulator, or man cave down there?
Yes, and lower levels are usually where those uses make the most sense: no upstairs neighbors, room to spread out, and space that is not competing with the rest of the house. Theaters, gyms, golf simulators, bars, bunk rooms, and play spaces all come down to the same planning questions: ceiling height, sound, power and plumbing routes, moisture, and how the room is used the other six days of the week. We confirm what your space supports during the consultation.
Can you add a bathroom or bedroom in a finished basement?
Often yes, when plumbing routes, egress, ceiling height, and local requirements support it. We review feasibility during the consultation so expectations stay clear before construction.
Do you offer financing for basement finishing?
Yes. Many homeowners explore consumer financing for basement finishing through our Acorn Finance partnership. Pre-qualification uses a soft credit pull.

Where we work

We provide basement finishing across Chicago, the North Shore, and the western suburbs, with broader coverage throughout Chicagoland. Start with these local pages:

Also serving Chicago, Naperville, Barrington, Hawthorn Woods, Kildeer, Deer Park, Lake Barrington, Glen Ellyn, and more. See all service areas.

Researching budget? Read our Chicago basement finishing cost guide, egress requirements, moisture guide, or North Shore finishing guide.

Prefer a ballpark first? Try the basement finishing planner, then schedule your design consultation.

Schedule a design consultation

Written proposals · Milestone payments · Financing available

Monthly payments? Explore remodeling financing for basements projects through Acorn Finance.

Schedule a consultation