Add the space your family needs — room additions, bump-outs, and full second stories that blend seamlessly with your existing home.
When moving isn't the answer, a home addition gives you more room without leaving the neighborhood you love. Adon Solutions designs and builds additions that match your home's architecture and meet Chicago's zoning and structural requirements — from a single bump-out to a full second story, managed end to end.
Start Your EstimateTransparent Chicago-market ranges — no mystery quotes.
Additions price per square foot of new space and vary with foundation, roof tie-in, and finish level. Our estimator tailors the range.
Use the instant estimator or request a free on-site consultation.
We deliver a detailed, fixed scope and transparent pricing.
Permits pulled, schedule set, one project manager start to finish.
Final inspection, clean site, and a space built to last.
Home additions typically run $240–$450+ per square foot of new space. A standard 400 sq ft addition often lands around $96k–$130k; premium and second-story work costs more due to structural complexity.
Most additions take 3–6 months depending on size, foundation work, and permitting. Second-story additions run longer because of structural and weatherproofing requirements.
Yes. We manage zoning review, permits, and inspections — critical for additions, which are more heavily regulated than interior remodels.
In most single-story additions, yes — we seal off the work area. Second-story additions may require temporary adjustments, which we'll plan with you up front.
Chicago, Naperville, Oak Brook, Schaumburg, Evanston, Hinsdale, Orland Park, and Northwest Indiana.
Get a fast pricing range for your home additions in chicago in about a minute.