Basement Remodeling Experts
Expert Basement Remodeling Services
GS Construction & Remodeling specializes in professional Basement Remodeling. As a father-son team, we bring decades of combined experience to every project.
From the first walkthrough to the last punch-list item, Greg or Patryk runs your Basement Remodeling project themselves. That means a scope written out line by line instead of one number, permits pulled and handled with your village, and the same faces on site rather than a crew you've never met.
- Specialized Basement Remodeling expertise
- On-site supervision for every project
- Transparent pricing with no surprises
- Quality craftsmanship guaranteed
"Your Basement Remodeling project deserves the best—we deliver it."
Neighborhoods & landmarks near our Winnetka basement finishing
Crow Island School (National Historic Landmark), New Trier High School Winnetka campus, Winnetka Community House, Winnetka Village Green, Tower Road Beach, Elder Lane Beach, Hubbard Woods Park, Skokie Lagoons, Winnetka / Hubbard Woods / Indian Hill Metra stations (UP-N)
Neighborhoods we work in
- Indian Hill
- Hubbard Woods
- Elm Street
- Crow Island
- The Estates
- Pine Street
Basement finishing in Winnetka, IL
Basement finishing in Winnetka often transforms the lower levels of grand, historic homes, typically built between the 1900s and 1940s. These projects frequently involve converting unfinished or minimally used spaces beneath original foundations into highly functional living areas. We often encounter solid masonry foundations, sometimes with limited existing waterproofing, and original mechanical systems that need thoughtful integration into new floor plans. The goal is usually to maximize square footage in a way that feels seamless with the architectural character of the upstairs, whether that means a cozy family room beneath a Colonial or a sophisticated home office under a Tudor. This type of remodel unlocks significant value and usability, adapting vintage construction for modern family life without altering the exterior footprint.
What Winnetka homeowners ask for
Winnetka homeowners frequently request dedicated home theaters or sophisticated entertainment zones, often complete with wet bars, to complement their spacious main living areas. We also see strong demand for private guest suites, providing comfortable accommodations for visitors, or highly functional home gyms that integrate seamlessly into the lower level. Multi-purpose spaces, easily adaptable for play, study, or relaxation, are also a popular choice for families seeking flexible living solutions.
About Winnetka
Winnetka's housing runs from 1890s-1920s Tudors and colonials on the tree-lined blocks east of Green Bay Road to the storefront charm of Hubbard Woods, in a village that takes architecture seriously.
Crow Island School here is a National Historic Landmark. District 36 schools feed New Trier's Winnetka campus, and three Metra UP-N stops — Hubbard Woods, Winnetka, and Indian Hill — serve the village.
The prevalence of pre-war floor plans often means navigating lower ceiling heights and integrating around original mechanical systems when finishing basements. Given the vintage construction with plaster and lath, careful attention to moisture control is essential, often necessitating new drain tile systems to protect against water intrusion under original foundations. Addressing generations of patched wiring requires comprehensive electrical upgrades to support modern basement amenities and ensure safety. The Village's reported lead or partially lead water services highlight the potential need for ejector pumps if new plumbing fixtures are added below the main sewer line, while also considering overall water quality. Additionally, integrating egress windows into these older foundations is crucial for safety and code compliance in any new living space.
Basement finishing in Winnetka involves multiple inspections for electrical, plumbing, and mechanical systems as new walls, fixtures, and utilities are installed. GS Construction & Remodeling expertly manages the submission of all required drawings and specifications, along with coordinating the necessary inspections with the Village's Community Development department throughout the project's duration.
How your Winnetka project runs
ProcessThe same six stages on every job — free in-home estimate through warranty.
Free in-home estimate
Greg or Patryk — the owners, not a salesperson — walk your space, take real measurements, and give you honest feedback on what your budget buys.
Itemized scope & contract
Labor, materials, demolition and disposal priced line by line, not one mystery number. Payment terms and warranty are in the written contract.
Design & selections
Bring your own designer, use our architects and designers, or choose everything yourself. Selections are scheduled ahead so lead times never stall the site.
Permits & scheduling
We pull and manage building, plumbing and electrical permits with your village — typically 1–2 weeks — and hand you a written schedule before demo day.
The build, owner-supervised
Long-standing trade partners working in sequence under daily owner supervision. Your client portal shows the schedule, change orders and current balance.
Walkthrough & warranty
We walk the finished job together, close out every punch-list item, hand over manufacturer paperwork, and your written workmanship warranty starts. Our commitment never expires.
Testimonials
Your Neighbours in Winnetka Love Us
Real reviews from homeowners. Ask us for live phone references.
We have used GS for two bathroom projects-the first a small update; the second a complete remodel. We were thrilled with both. Everything was as promised; the timeline, price, and what it would look like. We were able to buy our own tile and fixtures and were not tied to any company's showroom. We got what we wanted and likely saved money doing so. GS also installed interior doors. The workmanship was great. The only downside is that now the bathrooms are the two nicest rooms in the house! I would heartily recommend GS construction!
Before & After & Timelapse
What homeowners near Winnetka say
“We have used GS for two bathroom projects-the first a small update; the second a complete remodel. We were thrilled with both. Everything was as promised; the timeline, price, and what it would look like. We were able to buy our own tile an...”
“We cannot say enough good things about GS Construction and about Greg and Patryk. We hired them on a strong recommendation from a friend and are very pleased with the results. Our project included remodeling a kitchen and master bathroom an...”
“My designer and I chose GS Construction for the rehab of my kitchen and other small projects in my newly purchased condo. They were recomended by a client of the designer, Mark Zancanaro Design, who raved about their professionalism and com...”
Basement Remodeling stories from the blog
Kitchen Remodel · Barrington, IL
A Bright, Hardworking Kitchen Renovation in Barrington, IL
This kitchen renovation in Barrington, IL, completed in 2021, shows the kind of bright, hardworking space we love to build, centered around a striking gray island.
Sep 4, 2026
Kitchen Remodel · Hoffman Estates, IL
Hoffman Estates Kitchen & Wet Bar: A Bright, Cohesive Renovation
We transformed a kitchen, wet bar, and living room in Hoffman Estates, IL, creating a bright, updated space with white shaker cabinets and granite counters.
Sep 4, 2026
Kitchen Remodel · Palatine, IL
Palatine Kitchen Renovation: Dark Wood, Granite, and a Mosaic Accent
This Palatine kitchen renovation showcases rich dark wood cabinetry, elegant granite countertops, and modern stainless steel appliances.
Sep 4, 2026
Budgeting first? See real 2026 price ranges in our basement remodeling cost guide — and what your Winnetka permit will add in our permit guide.
Completed projects around Winnetka
GS Construction crews have completed 91 projects within 10 miles of Winnetka — part of 429 completed projects across 69 Chicago-area ZIP codes. The map below shows real project density from our records, not a service-area claim.
More Remodeling Services in Winnetka
Contact GS Construction
Let's Build Beautiful Spaces Together
GS Construction is a father-and-son construction company, and basement remodeling in Winnetka is work Greg and Patryk run themselves. Expect clear communication, quality craftsmanship, and a straightforward plan—reach out today to schedule a free in-home consultation and get a detailed estimate and honest feedback.
- Telephone
- (224) 735-4200
- [email protected]
- Service Area
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Service Area
Winnetka and surrounding Chicagoland areas