Park Forest Home Additions

Bright four-season sunroom addition with a wall of windows, tile floor and ceiling fan — representative of the home addition projects GS Construction builds in Park Forest, IL

Home Additions Experts

Expert Home Additions Services

GS Construction & Remodeling specializes in professional Home Additions. As a father-son team, we bring decades of combined experience to every project.

From initial design consultation to final walkthrough, we handle every aspect of your Home Additions project with care. Our hands-on approach means you'll always have Gregory or Patryk on-site, ensuring quality at every step.

  • Specialized Home Additions 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 Home Additions project deserves the best—we deliver it."

Home additions in Park Forest, IL

Park Forest is where the postwar suburb was invented — the first fully planned community built after World War II, opened in 1948 and famously studied in William Whyte's The Organization Man. That history shapes every remodel here. Original courtyard townhomes — more than 2,000 of them now organized as five housing cooperatives, many with full basements — sit alongside compact mid-century ranches once started at a pace of 20-plus houses a day. Updating these homes means rethinking tight original kitchens, adding a second bath, finishing basements, or designing additions that respect the village's mid-century character, and whole-home renovations make sense as the stock passes the 75-year mark. Water is municipal, drawn from six village wells roughly 300 feet deep and softened at the plant, with service lines that are generally copper. Families are served by Park Forest-Chicago Heights District 163 and Rich Township District 227, with Metra Electric trains at 211th Street/Lincoln Highway and village-owned DownTown Park Forest at the center.

Neighborhoods & landmarks near our Park Forest home additions

DownTown Park Forest, Freedom Hall & Nathan Manilow Theatre, Tall Grass Arts Association gallery, Park Forest Aqua Center, Thorn Creek Woods Nature Preserve, 1950s Park Forest House Museum, Park Forest Public Library, Metra Electric at 211th Street/Lincoln Highway

Park Forest permits & building codes for home additions

Remodeling permits in Park Forest run through the Village's Building & Community Development Department, with a building permit required before structural, electrical, or plumbing work begins. The Village also requires every contractor to hold an annually renewed Park Forest contractor's license, and when the contractor applies for the permit, the Village asks for the homeowner's signature on the application or proposal. GS Construction manages the entire permit process — contractor licensing, application and drawings, and inspection scheduling — from start to final sign-off.

Home Additions Coverage Around Park Forest

We provide home additions in Park Forest and nearby communities to keep schedules, crews, and permitting coordination efficient.

Planning Home Additions in Park Forest

Most Park Forest projects start with scope alignment: what to renovate now, what to phase later, and which finishes deliver the highest daily impact. We build plans around your home layout, timeline, and budget priorities.

Execution and permitting in Park Forest

We handle sequencing, trade coordination, and code-compliance requirements for Home Additions projects in Park Forest. Permit context: Remodeling permits in Park Forest run through the Village's Building & Community Development Department, with a building....

Nearby service coverage from Park Forest

In addition to Park Forest, we regularly complete Home Additions projects in nearby communities including Willow Springs, Countryside, Riverside. This helps keep crews, vendors, and scheduling logistics efficient across the area.

Construction timelapse of Historic Palatine Kitchen in Palatine, IL
Before
Frame 2
After
Construction

What homeowners near Park Forest say

“I cannot say enough good things about GS Constructions / Greg and Patryk Szady. From the start, their proposal and cost estimate was broken down, item by item, which most contractors don't do. It allowed us to alter our project to fit our b...”
Adam S — Chicago, IL
“GS Construction worked on my condo renovation. Patryk had wonderful insight on details that that other potential contractors didn't even think of. They took all surprise issues in stride, and solved them before I even knew about the issues!...”
Karen B — Chicago, IL
“You will not regret choosing GS Construction & Remodeling. We are beyond happy with our condo remodel, and it is all thanks to Greg, Patryk, and their team of hardworking and meticulous professionals. We completely remodeled our two bedroom...”
Lu H — Chicago, IL

Read more homeowner reviews near Park Forest →

Budgeting first? See real 2026 price ranges in our home additions cost guide — and what your Park Forest permit will add in our permit guide.

Testimonials

Your Neighbours in Park Forest Love Us

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

5 Stars

We had an excellent experience working with GS Construction on our primary bedroom and bathroom renovation. From the very beginning, they were incredibly thorough and transparent in outlining the scope of work, budget, and timeline. Everything was clearly communicated upfront, and they delivered exactly what they promised. When new things inevitably popped up during construction, we discussed our options and associated costs before proceeding. Throughout the project, Greg, Caesar, and Patryk were proactive, responsive, and easy to communicate with. They were always available to answer our questions, address any concerns, and kept us informed every step of the way. When we had follow-up questions after the renovation was complete, they were just as responsive and addressed our concerns quickly. We also really appreciated the care they took with our home. They went above and beyond to protect our living space during construction and did a fantastic job cleaning up afterward, which made the entire process much less stressful. Most importantly, the quality of their work is outstanding. Their craftsmanship and attention to detail are evident in every aspect of the finished project. We couldn't be happier with the results and would highly recommend GS Construction to anyone looking for a reliable, professional, and detail-oriented contractor.

Christine L
Christine L
Arlington Heights, IL · Jul 2026
Click to explore map
Gregory and Patryk - GS Construction
Gregory and Patryk - GS Construction

Let's Build Beautiful Spaces Together

GS Construction is a father-and-son construction company specializing in residential remodeling and renovations in Park Forest. 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
Park Forest and surrounding Chicagoland areas

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

Saturday morning appointments are limited. If you need a Saturday meeting, please mention it in your message. We typically schedule Saturday appointments about 4 weeks in advance.

Please complete the security check below: