Forest Lake Basement Remodeling

Finished lower-level rec room with wood-stove fireplace, paneling and daylight windows — representative of the finished basement projects GS Construction builds in Forest Lake, IL

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
Gregory and Patryk - GS Construction
Gregory and Patryk - GS Construction
"Your Basement Remodeling project deserves the best—we deliver it."

Neighborhoods & landmarks near our Forest Lake basement finishing

Forest Lake (the namesake lake), Forest Lake Community Association beaches, Old McHenry Road, Kemper Lakes Golf Club, Hawthorn Woods Community Park, Lake Zurich High School, Ela Area Public Library, Barrington Metra station (UP-NW)

Neighborhoods we work in

  • Forest Lake Estates
  • Deerpath
  • Lake Forest Shores
  • Pine Ridge
  • Woodland Hills

Basement finishing in Forest Lake, IL

Basement finishing in Forest Lake often transforms the lower levels of raised ranches and newer teardown-and-builds into vibrant, functional living areas. The modest footprints of older lakeside cottages, when elevated, offer surprisingly spacious basements that are ripe for conversion into family rooms or guest suites. Conversely, the more contemporary homes in developments like Forest Lake Estates provide expansive, often unfinished canvases perfect for multi-purpose entertainment zones or dedicated home offices. Our projects in Forest Lake frequently involve converting raw, concrete spaces into comfortable extensions of the main living area, addressing the unique structural and moisture considerations inherent in homes spanning several decades of construction.

What Forest Lake homeowners ask for

Forest Lake homeowners frequently request dedicated home offices or study nooks, particularly in the later-era homes where remote work is common. Many also prioritize creating versatile family rooms that can accommodate both children's play areas and adult entertainment, often incorporating built-in storage solutions. For the raised ranches, adding a full bathroom in the basement is a common request, enhancing the functionality of a new guest bedroom or recreational space.

About Forest Lake

Forest Lake's housing stock tells the story of its evolution from a vacation community to a year-round home, with cottages, Cape Cods, and raised ranches, leading to a mix of remodeling projects from opening up kitchens to whole-home renovations.

How your Forest Lake project runs

Process

The same six stages on every job — free in-home estimate through warranty.

1

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.

2

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.

3

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.

4

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.

5

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.

6

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 Forest Lake Love Us

Real reviews from homeowners. Ask us for live phone references.

I don't even know where to begin, Patryk & Greg are just amazing! We hired them to remodel approximately 4000 sqft of a 1985 house which included an unfinished basement. The whole experience could not have been better. It took about 7 months and for most of it, we lived in the house with two children. They are incredibly professional, can troubleshoot any issue and are 100% dependable. Patryk led the project and he was very detail-oriented. Everything had a purpose and was finished with beautiful extra touches. I changed my mind frequently and they didn't miss a beat. They worked around the changes and kept moving. The materials they used and the teams they brought in were all top notch. They didn't spend money where it wasn't necessary and in fact, they were always trying to find ways to save money. Finally, they are really nice guys. Polite, respectful and very accomodating. After spending so long in my house, we (almost) miss having the around. As I mentioned, we had the whole house remodeled and its impossible to post every picture so I will showcase just a few highlights. The whole house is beautiful! Scott & I THANK YOU!!!

Pauline & Scott Z Long Grove, IL May 2018 Basement

Before & After & Timelapse

What homeowners near Forest Lake say

Read more homeowner reviews near Forest Lake →

Basement Remodeling stories from the blog

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Budgeting first? See real 2026 price ranges in our basement remodeling cost guide — and what your Forest Lake permit will add in our permit guide.

Completed projects around Forest Lake

GS Construction crews have completed 231 projects within 10 miles of Forest Lake — 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.

Click to explore map
Gregory and Patryk - GS Construction
Gregory and Patryk - GS Construction

Contact GS Construction

Let's Build Beautiful Spaces Together

GS Construction is a father-and-son construction company, and basement remodeling in Forest Lake 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
Service Area
Service Area
Forest Lake and surrounding Chicagoland areas

Please select at least 2 different days and times you're available to meet.

Our crew puts in long days on site, so early morning and daytime consultations suit us best — thank you for understanding. If only a weekday late afternoon or Saturday morning works for you, please mention it in your message above.

Pick a few times above so we can find one that works — 3 across 2 different days.

Basement Remodeling Coverage Around Forest Lake

We provide basement remodeling in Forest Lake and nearby communities to keep schedules, crews, and permitting coordination efficient.