Verified
Apex Cottage Builders
Champaign, IL
5.05.0(23 reviews)
ADU ConstructionCustom ADU
Specializing in ADU construction and related services in Champaign, IL.
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ADU Builders in Illinois
Find the best ADU builders and contractors across Illinois. Browse 52 cities with 333 verified builders ready to help with your accessory dwelling unit project.
333builders
52cities
Top Cities in Illinois
All Cities in Illinois
Arlington Heights2
Evanston3
Schaumburg3
Decatur2
Bolingbrook15
Palatine2
Skokie2
Des Plaines2
Orland Park3
Tinley Park3
Oak Lawn2
Berwyn26
Mount Prospect2
Normal2
Wheaton2
Hoffman Estates2
Oak Park3
Downers Grove2
Elmhurst2
Glenview2
Lombard4
DeKalb2
Moline2
Belleville23
Buffalo Grove12
Urbana4
Plainfield5
Bartlett7
Quincy2
Crystal Lake2
Carol Stream6
Streamwood2
Romeoville2
Rock Island
Hanover Park
Carpentersville8
Wheeling
Park Ridge
Addison
Calumet City12
Overton Renovation Solutions, Inc.
Bloomington, IL
5.05.0(22 reviews)
ADU ConstructionBathroom RemodelingGeneral Contracting
Overton Renovation Solutions, Inc.. General contractor. 2 Timberlake Rd, Bloomington, IL 61704, United States
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Craftsman Builders Inc
Chicago, IL
5.05.0(21 reviews)
ADU ConstructionHome Addition
Specializing in ADU construction and related services in Chicago, IL.
Verified
Pacific Dwelling Solutions
Elgin, IL
5.05.0(20 reviews)
ADU ConstructionGarage Conversion
Specializing in ADU construction and related services in Elgin, IL.
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American ADU Design Build
Peoria, IL
5.05.0(16 reviews)
ADU ConstructionBackyard Cottage
Specializing in ADU construction and related services in Peoria, IL.
A & E Construction and Design
Bolingbrook, IL
5.05.0(14 reviews)
ADU Construction
A & E Construction and Design. Construction company. 1N710 Park Blvd, Glen Ellyn, IL 60137
ONE Custom Builders
Glenview, IL
5.05.0(14 reviews)
ADU ConstructionCustom ADUDesign-Build ADU
Specializing in ADU construction and related services in Glenview, IL.
Available Construction LLC
Chicago, IL
5.05.0(12 reviews)
ADU ConstructionGeneral ContractingRoofing
Available Construction LLC. Roofing contractor. 7843 S Exchange Ave, Chicago, IL 60649, United States
Keystone Home Construction
Urbana, IL
5.05.0(11 reviews)
ADU ConstructionGranny Flat
Specializing in ADU construction and related services in Urbana, IL.
ADU Services in Illinois
ADU Builders
Full-service ADU construction companies that handle everything from design to completion.
Garage Conversion
Specialists in converting existing garages into livable accessory dwelling units.
Prefab ADU
Companies that manufacture and install prefabricated accessory dwelling units.
Custom ADU
Builders specializing in custom-designed ADUs tailored to your property and needs.
Backyard Cottage
Builders focused on detached backyard cottages and guest houses.
In-Law Suite
Contractors specializing in attached or detached in-law suites and granny flats.
ADU Design-Build
Firms offering integrated design and construction services for ADUs.
Tiny Home Builders
Builders specializing in tiny homes and compact living spaces.
ADU Contractors
Licensed general contractors experienced in ADU construction and renovation.
About ADU Construction in Illinois
Illinois is home to a growing ADU market with 333 builders across 52 cities. Accessory dwelling units are becoming increasingly popular in Illinois as homeowners look for ways to add living space, generate rental income, or provide housing for family members. Whether you're looking for a prefab ADU, custom-built backyard cottage, garage conversion, or in-law suite, our directory helps you find experienced local builders who understand Illinois's building codes and permit requirements.
ADU regulations vary by city and county in Illinois. Many municipalities have recently updated their zoning laws to make it easier to build ADUs. Our listed builders can help you navigate local regulations, obtain necessary permits, and complete your project on time and within budget.
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