Skip to main content
ADU ContractorsIdaho Falls, ID

Best ADU contractors in Idaho Falls, Idaho

Looking for the best ADU contractors in Idaho Falls, Idaho? Our directory features 3 vetted adu contractors serving the Idaho Falls area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.

3 adu contractors found
Average rating: 4.7

Top ADU contractors in Idaho Falls

Coastal ADU Pros

Idaho Falls, ID
4.8(22)
ADU ConstructionHome Addition

Specializing in ADU construction and related services in Idaho Falls, ID.

Why Choose ADU Contractors in Idaho Falls?

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

What to Look for in ADU contractors

  • 1
    Licensed and insured adu contractors with experience in Idaho Falls
  • 2
    Knowledge of Idaho Falls zoning laws and ADU permit requirements
  • 3
    Portfolio of completed ADU projects in the Idaho Falls 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 Idaho Falls?

ADU construction costs in Idaho Falls 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 adu contractors to compare prices.

Do I need a permit to build an ADU in Idaho Falls, Idaho?

Yes, ADU construction in Idaho Falls requires building permits. Idaho 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 Idaho Falls?

ADU construction timelines in Idaho Falls 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.

ADU Contractors Nearby

Get Free ADU Quotes

Compare quotes from top adu contractors in Idaho Falls.