Family-Owned, 20+ Years Experience
Custom Builds & Full Renovations
Serving Chicago & Mount Prospect
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Home Extension Services in Mt Prospect, IL

B&C Remodeling builds home extensions in Mt Prospect, IL that add real square footage without making your house look pieced together. We match the rooflines, siding, and interior finishes so the addition connects cleanly to what was already there. When the work is done, it looks like it was always part of the plan.

Why Choose Us for Home Extension

We're a family-owned home builder with over 20 years working in Mt Prospect, IL and the surrounding NW Suburbs. We've handled everything from small bump-outs to full two-story additions, and we know how to keep a project on budget without cutting corners on the details that matter. Every crew member we send to your job has worked on dozens of additions. There's no learning curve at your expense.

We also handle our own carpentry, framing, and finish work in-house. That means fewer handoffs, fewer scheduling gaps, and one point of contact from permit to punch list. If you've looked into our kitchen remodels or bathroom remodels and liked what you saw, the same team builds your extension.

How We Work

We start with a site visit to measure your existing structure and talk through how you want to use the new space. From there we draw up the plans, pull the permits with the Village of Mt Prospect, and handle all required inspections. Framing goes up first, then roofing and exterior work to get the addition weather-tight. Interior rough-ins for electrical and plumbing follow, and we finish with drywall, trim, and flooring that matches the rest of your home. Most extensions in Mt Prospect, IL run eight to fourteen weeks depending on size and complexity.

Home Extension in Mt Prospect, IL

Illinois winters are hard on new construction joints. Freeze-thaw cycles can work on flashing, caulk lines, and foundation connections if they weren't installed right the first time. We build our home extensions in Mt Prospect, IL with that in mind, using flashing details and insulation specs that hold up through Chicago-area winters. We also account for local soil conditions when we pour footings, which matters a lot in Cook County where expansive clay soil shifts with moisture levels. Cutting that corner leads to cracked foundations and doors that won't close three years later.

What Our Home Extension Services Cover

Our home extension services include room additions, family room expansions, first-floor master suite additions, and second-story builds. We work off your existing footprint or extend outward depending on your lot and your goals. Every scope starts with a clear written estimate so you know what you're approving before a single shovel hits the ground.

We also handle the interior connection work that a lot of contractors skip past, opening walls, rerouting HVAC, and matching existing trim profiles so the new space flows naturally into the old one.

Matching Your Existing Structure

The hardest part of a home extension isn't building the new space. It's making it look like it belonged there from day one. We source siding and roofing materials that match your existing exterior as closely as possible. When an exact match isn't available, we help you choose an update that works across the whole house so nothing looks patched.

Inside, we match flooring transitions, base molding profiles, and door casing styles. If your home has a specific finish style, we note it before we ever order materials.

Common Questions

How much does a home extension cost in Mt Prospect, IL?
Most home extensions in Mt Prospect, IL range from $150 to $300 per square foot depending on the scope, finishes, and whether the addition requires new plumbing or electrical. We give you a detailed written estimate after the site visit so you're not working off a rough ballpark. There are no surprises after you sign.
Do I need a permit for a home extension in Mt Prospect, IL?
Yes. Any structural addition in Mt Prospect, IL requires a building permit through the Village. We pull all permits and schedule all required inspections as part of our standard process. You don't have to manage that side of it.
Do you also provide home extension services for older homes in the NW Suburbs?
We do. Older homes in the NW Suburbs often have non-standard framing dimensions or outdated electrical panels that need attention before we can connect the new addition. We identify those issues during the planning phase so the work doesn't stop mid-project. Our team has worked on homes built as far back as the 1940s in Mt Prospect, IL.

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"Best remodeling company around. They mean work done. My bathrooms are so nice and so is Bill!"
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Call B&C Remodeling at (847) 392-9188 to set up a free site visit for your home extension in Mt Prospect, IL.

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