ADU Construction in Star, Idaho
RemodelingFX provides expert adu construction services to homeowners in Star and surrounding Ada County communities. Accessory dwelling units and backyard cottages in Boise.
Looking for professional adu construction in Star, Idaho? RemodelingFX serves Star homeowners with the same quality, warranties, and professionalism we bring to every Treasure Valley project. Located 15 miles from Boise, Star is within our core service area with quick response times.

- Custom ADU design (studio to 2-bedroom)
- Full kitchen and bathroom builds
- Independent utility connections
- Zoning and permit management
- Foundation and framing
- Insulation and HVAC systems
- Interior and exterior finishes
- Landscaping and site restoration
- ADA-accessible ADU options
- Garage conversion to ADU
Typical Investment
$120,000 – $300,000+
Timeline
4 – 8 months
Feasibility Assessment
We evaluate your property for ADU eligibility — lot size, setbacks, zoning, utility access, and site conditions. You receive a feasibility report with size and placement options.
Design & Permitting
Architectural plans are developed, engineered, and submitted for building permits. We coordinate with the City of Boise and Ada County for all required approvals.
Site Work & Construction
Foundation, framing, roofing, siding, windows, and doors are completed. Plumbing, electrical, and HVAC are installed. Interior finishes follow.
Final Inspections & Occupancy
All required inspections are completed, certificate of occupancy is obtained, and the ADU is ready for use — whether for family, guests, or rental income.
Can I build an ADU on my property in Boise?
Boise adopted updated ADU regulations that allow accessory dwelling units on most residential lots. Requirements include minimum lot size, setback distances, and maximum ADU size limits. RemodelingFX evaluates your property eligibility during the initial consultation.
How much does an ADU cost to build in Boise?
ADU construction in Boise typically costs $150,000-$300,000 depending on size, finishes, and site conditions. A basic 400 sq ft studio ADU starts around $120,000. A full 800 sq ft one-bedroom unit with premium finishes can reach $250,000+.
How long does it take to build an ADU?
From permit approval to completion, ADU construction takes 4-8 months. The permitting process itself can take 4-12 weeks depending on the jurisdiction and complexity.
Ready to Start Your Remodeling Project?
Get a free, no-obligation estimate from Boise's trusted remodeling experts. Licensed, insured, and ready to build.