Short answer: yes, in most cases. California state law generally allows ADU construction on properties zoned for single-family or multi-family residential use, whether owner-occupied or held as a rental investment. Local jurisdictions in the Sacramento region layer additional requirements on top of state law, but the underlying right to build exists broadly.
What Investors Need to Confirm First
- Zoning and lot coverage. Your specific parcel needs to be evaluated against local setback and lot-coverage rules.
- Utility capacity. Existing water, sewer, and electrical service need to support an additional unit, or be upgraded.
- Financing structure. ADU construction loans and cash-out refinances are both common financing paths for investors — your lender's requirements may affect design and timeline decisions.
- Rental strategy. Long-term rental, mid-term rental, or owner-occupant-plus-ADU strategies each favor slightly different unit configurations.
Why This Matters for BRRRR and Value-Add Investors
An ADU adds both immediate rental income and long-term appraised value — two of the core levers in a BRRRR (Buy, Rehab, Rent, Refinance, Repeat) strategy. We scope every investor ADU project with both outcomes in mind. See our Investor Services page for how we approach construction as a financial decision, not just a build.