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In-Law SuiteChicago, IL

Best in-law suite builders in Chicago, Illinois

Looking for the best in-law suite builders in Chicago, Illinois? Our directory features 15 vetted in-law suite builders serving the Chicago area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

15 in-law suite builders found
Average rating: 4.4

Top in-law suite builders in Chicago

5.0(1)
ADU ConstructionGeneral Contracting

With over 12 years of experience, The James Group is committed to making your dream home into a reality. We work with integrity, high quality standards, and an unsurpassed passion for building your lifetime home.

Verified
5.0(5)
ADU ConstructionBathroom RemodelingKitchen Remodeling

Creating Custom Living Spaces Throughout Chicago. We treat each project as if it is our own, and realize that no two clients are the same.

4.5(7)
ADU ConstructionADU PlanningBathroom Remodeling

Hudson Pro Builders specializes in designing and building Accessory Dwelling Units (ADUs) that meet Chicago’s zoning requirements while delivering comfortable, stylish living spaces.

Urban ADU Works

Chicago, IL
4.1(28)
ADU ConstructionGeneral Contracting

Specializing in ADU construction and related services in Chicago, IL.

Why Choose In-Law Suite in Chicago?

Chicago is one of the top markets for accessory dwelling units in Illinois. With growing demand for affordable housing, ADU construction in Chicago offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of in-law suite builders in Chicago helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.

What to Look for in in-law suite builders

  • 1
    Licensed and insured in-law suite builders with experience in Chicago
  • 2
    Knowledge of Chicago zoning laws and ADU permit requirements
  • 3
    Portfolio of completed ADU projects in the Chicago area
  • 4
    Transparent pricing and detailed project timelines
  • 5
    Strong reviews and ratings from local homeowners
  • 6
    Warranty coverage on construction and materials

Frequently Asked Questions

How much does it cost to build an ADU in Chicago?

ADU construction costs in Chicago typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed in-law suite builders to compare prices.

Do I need a permit to build an ADU in Chicago, Illinois?

Yes, ADU construction in Chicago requires building permits. Illinois has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.

How long does it take to build an ADU in Chicago?

ADU construction timelines in Chicago typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.