Can I charge my parents rent for living in my ADU in Sacramento?

Yes. You can charge any amount of rent, including below-market rates or no rent at all. There are no legal restrictions on rental amounts for family members in California.

Do I need to live on the property if my parents live in the ADU?

No. California eliminated owner-occupancy requirements for ADUs permitted after January 1, 2020. You can live elsewhere while your parents occupy the ADU.

What ADU size works best for elderly parents?

A 400–600 sq ft one-bedroom ADU is typically sufficient for one or two elderly parents. Single-floor layouts with accessible features are more important than size.

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Planning & Design9 min readMarch 1, 2026

Multigenerational Living with ADUs in Sacramento: A Practical Guide

ADUs are reshaping how Sacramento families live together. Here's a practical guide to using an ADU for multigenerational living — from design considerations to legal requirements.

Why Sacramento Families Are Choosing ADUs

Sacramento's high housing costs have made multigenerational living increasingly practical. An ADU allows family members to live close together while maintaining privacy — something neither a shared home nor separate properties can offer.

Common Multigenerational ADU Arrangements

Sacramento ADU builders report three common multigenerational arrangements:

Parents in the ADU, adult children in the main house (most common)
Adult children in the ADU, parents in the main house
Caregiver housing in the ADU for elderly parents who need assistance nearby

Design Considerations for Aging in Place

If the ADU will house elderly parents or family members with mobility limitations, design for accessibility from the start. Retrofitting for accessibility later costs significantly more.

No-step entry (zero threshold)
Wide doorways (36 inches minimum)
Walk-in shower with grab bars
Single-floor layout (no stairs)
Lever door handles instead of knobs
Adequate lighting throughout

Legal and Financial Considerations

California law does not require owner-occupancy for ADUs permitted after January 1, 2020. This means you can rent the ADU to family members at below-market rates or allow them to live there rent-free without legal complications.

Privacy and Boundary Setting

The most successful multigenerational ADU arrangements establish clear boundaries from the start. Separate entrances, private outdoor spaces, and clear agreements about shared areas (if any) reduce friction over time.

Cost Considerations for Family ADUs

Families building ADUs for relatives often prioritize different features than rental-focused ADUs. Accessibility features, higher-quality finishes, and proximity to the main house entrance are common priorities that can affect design and cost.

Related Resources

Plan your multigenerational ADU with these guides on design, costs, and regulations.

Top ADU Design Trends for 2026 — Aging-in-place features and universal design ideas
JADU Guide — Junior ADUs are ideal for multigenerational setups with shared kitchen access
Sacramento ADU Cost Guide — Budget for accessibility features and design upgrades
Browse Sacramento ADU Builders — Find builders experienced with multigenerational and accessible ADU design