Home Addition Contractor in Prospect Heights, Illinois

Expand your home with Prospect Heights's most trusted remodeling contractor

Does Your Prospect Heights Home Need Any of These Changes?

A Home Addition Contractor in Prospect Heights, Illinois Who Gets You

Finding the right contractor to build an addition on your Prospect Heights home can be a challenge. It’s important to thoroughly vet and interview your options before deciding who to hire.

To ensure that you find a contractor that meets your needs and budget expectations, download our free 3-Step Guide to Choosing A Remodeling Contractor.

Whether you decide to hire our team at Pegasus Construction or another local remodeler, you can use this helpful guide to be confident knowing you have your bases covered.

Clear & Proven Process

A successful home remodel starts with a clear plan. With hundreds of satisfied Prospect Heights customers, our proven 6-Step Design-Build Process ensures a smooth and stress-free remodeling experience.

True Cost Accuracy

1 in 3 remodels exceed their budget—but yours doesn’t have to. At Pegasus Construction, we’ve created a budgeting system to eliminate surprise costs, with our projects averaging just a 5% variance from the initial budget to the final price.

Your Project, On Time

Feel confident knowing your home remodel is managed by experts. Each project is assigned a dedicated team, led by an experienced master carpenter, ensuring timely completion. While other companies face delays of weeks or months, our projects average less than a 2-day difference from the original schedule.

Common Remodeling Challenges for Homes in Prospect Heights, Illinois Include:

Prospect Heights homeowners take advantage of larger, wooded lots to add on rather than move — primary-suite wings, great-room expansions, and second stories. The bigger lots usually leave room, though private wells and septic and the City of Prospect Heights Department of Building & Zoning shape the design. We build Prospect Heights additions that match the home and clear the city review.

Room on Larger Lots

Prospect Heights' bigger, wooded lots usually leave room to expand outward or up. We design additions that fit the setting and the setbacks.

Well, Septic & Zoning

Additions in Prospect Heights must clear Department of Building & Zoning rules, and added bedrooms can trigger septic-capacity review. We handle approvals and plan around your well and septic.

Custom-Match Construction

From mid-century ranches to custom homes, we match rooflines, masonry, and trim so a Prospect Heights addition looks original.

The Right Approach For Your Prospect Heights Home Addition

Whether you need to add extra room for a growing family or a second level to your home, our team will help you find the best way to expand your space.

Single Level Additions

If you find yourself needing more living space and want to expand your home rather than upsize, a single-level addition is the place to start.

The most cost-effective way to add living space, a single-level addition attaches to the side of the home. They typically require expanding the home’s foundation, and are most often used for expanding kitchens, living rooms, or home offices.

Single-level additions are typically limited by lot size and setback laws. For this reason, these additions are better fit for homes on larger lots.

Second Story Additions

Want to expand your home without expanding its footprint? Many homeowners don’t realize it’s possible to expand their living space by adding a second story.

Although often more expensive than single-level additions, second-story additions can be a great solution for homeowners who need additional living space but don’t have enough yard space to build out.

Second-story additions tend to be more technically challenging, as they require extensive engineering and planning to ensure that they don’t disrupt the design or aesthetic of the existing structure.

Basement Additions

For some homeowners, a basement addition is the best way to expand their living space. This often involves either raising the home or digging out the crawl space.

Homeowners who go this route often use their basement for additional bedrooms, a recreational space, or an Accessory Dwelling Unit (ADU).

Basement additions are among the most expensive methods of adding onto a home. Extensive manual labor, planning, and permitting all contribute to the high cost of basement additions.

Design-Build Home Addition Contractor

Our easy-to-follow remodel process will help you expand your living space without the typical home improvement hassle.

1. Work With Our Designers to Plan Your Remodel

2. Our Build Teams Remodel Your Space

3. Gather With Your Friends and Family in Your New Space

Design-Build Contractor For Home Addition in Prospect Heights

At Pegasus Construction our mission is to change the lives of homeowners by helping them expand their homes with custom home additions built just for them. However, we also recognize that not every home addition project is the right fit for our team. Here is how to tell if Pegasus Construction is or isn’t a good fit for your home addition project.

Pegasus may not be a good fit for your Prospect Heights Home Addition if.....

You want to hire the cheapest contractor.
You prefer to design the project as it is being built.
You plan to do most of the work yourself.
You want to begin the construction immediately.
You want to assemble your own remodeling team.

Contact the Pegasus Construction team about your Prospect Heights Home Addition if.....

You prefer a balance of cost, quality and experience.
You understand the value i thorough design plans
You value high quality craftsmanship.
You want to take the time to carefully plan your remodel.
You want a team that works together to guide you.

Schedule and Advisory Call to Discuss your Remodel

Step 1

Schedule an advisory call with a Design Consultant

Step 2

Invite us to your home for an initial evaluation

Step 3

Align on a budget and meet to discuss the design

Fill out This Form to Get Started

Hear that this client had to say!

“…I felt truly heard and valued during our conversation. I came to your company with questions about our projects, and Greg provided thoughtful, flexible scenarios and options to help us achieve our goals. He genuinely seemed to care about me and my family as real people.”

Our Prospect Heights Service Area

We Renovate Homes In The Prospect Heights Area

Frequently Asked Questions

Can my Prospect Heights home support a second-story addition?

Often yes, but mid-century ranches must be verified. We evaluate the foundation and framing and involve a structural engineer before designing up.

Is a dormer or attic conversion more cost-effective than a full addition in Prospect Heights?

Sometimes, though the larger lots here often make expanding outward practical. We compare both against your goals and budget.

How much does a home addition cost in Prospect Heights?

In Prospect Heights, additions typically run $220 to $360 per square foot depending on scope and finishes. We provide a fixed budget after design.

How does septic affect adding bedrooms in Prospect Heights?

On septic properties, adding bedrooms or bathrooms increases the load on the system and can require a capacity review or upgrade. We evaluate your septic early so the addition is feasible and compliant.

How long does permitting take for an addition in Prospect Heights?

Permitting through the City of Prospect Heights Department of Building & Zoning generally takes several weeks to a couple of months, longer if septic review or variances are involved. We handle the submittal and review.

What zoning and setback rules apply to additions in Prospect Heights?

The City of Prospect Heights enforces setbacks, lot-coverage, and height limits, and well, septic, and easements also shape where you can build. We confirm all of it before finalizing the design.