ADU Floor Plans Designed for Idaho
Six models ranging from 450 to 1,200 square feet — each designed to comply with Twin Falls zoning requirements and maximize your property's potential.
Choose Your Model
Every plan includes full kitchen, bathroom, private entrance, and meets Twin Falls design match requirements. Click any model to customize your build, calculate ROI, and check if it fits your lot.
Showing 6 of 6 floor plans
Detached450 sq ftThe Perrine
Compact Studio
Guest suite, home office, or rental studio
From ~$1,090/mo*
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Garage Conversion600 sq ftThe Shoshone
1-Bedroom Classic
Ideal garage conversion for rental income or aging parents
From ~$863/mo*
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Detached750 sq ftThe Snake River
1-Bedroom Spacious
Comfortable long-term rental or family member suite
From ~$1,499/mo*
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Detached900 sq ftThe Magic Valley
2-Bedroom Standard
Family rental unit or multi-generational living
From ~$1,772/mo*
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Detached1,050 sq ftThe Sawtooth
2-Bed / 2-Bath Premium
Premium rental or independent living for family
From ~$2,135/mo*
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Detached1,200 sq ftThe Twin Falls
Two-Story Flagship
Maximum space on smaller lots — our flagship design
From ~$2,544/mo*
View Details* Estimated monthly payment. Actual costs depend on your project scope, credit, and financing.
Remember the 45% Rule
Per Twin Falls Title 10-6-10-B, your ADU cannot exceed 45% of your principal residence's living space. For example, a 2,000 sq ft home allows a max 900 sq ft ADU. Not sure which model fits your property? Book a free Readiness Call and we'll calculate your maximum ADU size.
From Floor Plan to Move-In Ready
Every model is customizable to match your home and lot. Here's how we get you there.
Readiness Call
Free 15-minute call to assess your property and discuss which models fit your lot size, zoning, and the 45% rule.
Feasibility Check
On-site visit to measure setbacks, verify utilities, and confirm the maximum buildable ADU for your specific property.
Design + Permits
We customize your chosen plan to match your home's roof pitch, siding, and windows per Title 10-6-10-B, then handle all permits.
Build + Move In
Licensed construction from foundation to Certificate of Occupancy. Regular progress updates until you get the keys.
Don't See What You Need?
These models are starting points. We customize every plan to fit your specific lot, match your home's architecture, and meet your budget. If you have your own plans or a unique vision, we can work with that too. Every ADU we build is tailored to the property and the homeowner.
Which Model Fits Your Lot?
Book a free Readiness Call and we'll calculate your maximum ADU size, check your zoning district, and recommend the best model for your property.