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MONARKADU Design + Build
Most Affordable ADU Option

Garage Conversions & Attached ADUs

Transform your existing garage into a fully functional living space. The fastest, most cost-effective way to add an ADU to your property.

Completed garage conversion ADU in Portland

Why Convert Your Garage?

Garage conversions are the most cost-effective path to adding an ADU, leveraging your existing structure's foundation and frame. Especially popular in Portland's older neighborhoods with detached garages.

From $120k

Lowest cost ADU

3-5 Months

Fastest timeline

~500 sq ft

Typical size

Utilize existing foundation and structure
Faster permitting than new construction
Full kitchen, bathroom, and living areas
Insulation, HVAC, and electrical upgrades
Separate entrance for complete privacy
No change to your property's exterior footprint

Before & After

See how we transform ordinary garages into extraordinary living spaces.

Garage before conversion
Before: Standard Garage
Completed garage conversion interior
After: Modern ADU Living Space

Get a Free Garage Conversion Estimate

Tell us about your garage and we'll provide a detailed conversion plan.

Your information is kept private. We'll respond within 24 hours.