B-3 Model

Yes! ADUs can be rented long-term (30+ days). Short-term rentals (Airbnb) may be restricted based on city rules.

• Detached ADUs: Up to 1,200 sq. ft.
• Attached ADUs: Up to 50% of the primary home's size (or 800 sq. ft., whichever is larger).
• JADUs: Max 500 sq. ft.

• Detached ADUs: Up to 1,200 sq. ft.
• Attached ADUs: Up to 50% of the primary home's size (or 800 sq. ft., whichever is larger).
• JADUs: Max 500 sq. ft.

Be aware that ADU size limits may vary by county and are subject to local zoning regulations. For exact requirements, consult your county officials or speak with one of our representatives for more information.

Generally, no—ADUs are part of the main property. However, California’s SB 9 law allows lot splits in certain cases, which may enable separate ADU ownership.

For more details, check with your local planning department or contractor.

In California, adding an ADU increases property taxes only on the new unit, not the main home. The tax hike is typically 1–1.5% of the ADU’s assessed value. For a $200K ADU, expect an annual increase of $2K–$3K. Prop 13 caps future annual increases at 2%. Consult your county assessor for exact details.

Yes, pre-designed models typically save time and money on architectural planning and revisions—plus they move you to construction quicker.