ADU Design Plans

Permit-ready architectural, structural, and MEP drawings for detached ADUs, attached ADUs, backyard cottages, and guest houses.

ADU & Garage Permit Support

Complete Design Documentation for ADUs & Garage Projects

We help prepare clear, buildable design documentation for accessory dwelling units, garage conversions, detached garages, workshops, additions, and residential improvement projects. Our drawings are organized and detailed enough for city and county permit review.

Detached and attached ADU permit drawings
Garage-to-living-space conversion plans
Detached garage and workshop drawings
Home additions and structural modifications
Backyard offices, guest houses, and carports
Foundation and slab documentation

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ADU Types

Types of ADUs We Design

Detached ADU

Fully separate from main house
Complete independent unit
Own entrance, kitchen, bath
Separate foundation required
Structural and MEP drawings included

Attached ADU

Connected to existing structure
Shared wall with main home
Separate entrance required
Structural modifications documented
MEP coordination with existing systems

Guest House / Backyard Cottage

Small detached living unit
Custom floor plan layouts
Foundation and slab options
All permit drawings prepared
Coordinated drawing set delivered

Backyard Office / Studio

Non-habitable or habitable space
Simplified structural documentation
Electrical and lighting plans
Ventilation notes included
Permit-ready drawing package

Garage Conversion ADU

Garage-to-living-space conversion
New walls, windows, and doors
Insulation and energy notes
Slab and foundation coordination
Full MEP and structural drawings

Addition ADU

New addition to existing home
Connected but separate unit
Structural review of existing framing
New foundation documentation
Coordinated permit package

Can you start from a rough sketch? Yes. We can start from a rough sketch, hand drawing, photos, existing plans, or a basic description. Providing property dimensions, site photos, and project location helps us prepare a more accurate quote.

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Get Your Permit Package Started Today

Send us your project details — we'll review the scope, confirm what's needed, and prepare a quote.

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