ADU Construction
Accessory Dwelling Units built with structure and compliance.
Ethos Building Group builds custom ADUs for rental value, family housing, and long-term property growth, managing planning through final completion.
What is an ADU
An ADU is a secondary residential unit on the same property as a primary home. We build compliant units that support income goals, family housing, and long-term property value.
Types of ADUs
- • Detached ADUs
- • Attached ADUs
- • Garage Conversion ADUs
- • Junior ADUs (JADU)
- • Backyard cottages
- • In-law units
Structural & Construction
- • Foundation and slab construction
- • Framing and structural work
- • Roofing and exterior siding
- • Window and door installation
- • Electrical and plumbing systems
- • HVAC installation
Interior + Project Management
- • Kitchen installation
- • Bathroom installation
- • Flooring and tile
- • Design coordination
- • Structural engineering coordination
- • Permit processing and inspections
- • Trade scheduling and supervision
Our ADU Process
Step 1
Planning & Feasibility
We evaluate property constraints, project goals, and ADU options before scope development.
Step 2
Design & Engineering Coordination
Design teams and structural engineering are coordinated for compliant, buildable plans.
Step 3
Permitting & Pre-Construction
Permits, city coordination, and scheduling are organized before field work begins.
Step 4
Construction & Final Delivery
We execute construction through completion, inspections, and final walkthrough turnover.
Project Examples
Detached ADU, garage conversion, and attached ADU placeholder examples for preview.
ADU Contact
Ready to qualify your ADU project?
Share your lot details, project goals, and timeline. We’ll help you understand feasibility, permitting path, and execution strategy.
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