Can I sell my ADU separately from my house in Sacramento?

Yes, if Sacramento County (or the City of Sacramento) has adopted an AB 1033 ordinance. The property must be converted into a condominium structure first, which involves legal subdivision, filing a condo map, and creating CC&Rs.

How much does it cost to convert an ADU to a condo in Sacramento?

The conversion process typically costs $15,000–$30,000 for legal fees, condo map preparation, survey work, and HOA formation documents. This does not include the cost of building the ADU itself.

Can I convert a JADU or attached ADU into a condo?

Technically, the law does not exclude attached ADUs, but the practical challenges are significant. Shared walls, utilities, and limited physical separation make condo conversion much more complex for attached units. Detached ADUs are the most straightforward candidates.

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Investment & Finance11 min readMarch 10, 2026

Can You Sell Your ADU as a Condo? AB 1033 Comes to Sacramento in 2026

California's AB 1033 allows homeowners to sell their ADU as a separate condo unit. Sacramento County has opted in, and implementation begins in 2026. Here is how it works.

What Is AB 1033 and Why Does It Matter?

AB 1033, signed into law in October 2023, allows local agencies in California to adopt ordinances permitting the separate sale of accessory dwelling units as condominiums. Before this law, ADUs were legally part of the main property and could not be sold independently. AB 1033 changes that by creating a legal pathway for homeowners to convert their property into a condominium structure where the ADU and the primary residence become separate, sellable units. For Sacramento homeowners, this transforms an ADU from purely a rental asset into a potentially sellable piece of real estate.

Sacramento County Opts In

Sacramento County's Board of Supervisors voted to opt in to AB 1033, joining a growing list of California jurisdictions implementing the law. The county is developing guidance materials and an application process for homeowners who want to pursue ADU condo conversions. Several other California cities have already moved forward — Sebastopol approved ADU condo conversions in January 2026, and Berkeley began drafting its ordinance the same month. Sacramento's implementation means homeowners in unincorporated Sacramento County can begin exploring this option, though the City of Sacramento may adopt its own timeline.

Pro Tip: Check whether your property is in the City of Sacramento or unincorporated Sacramento County — the implementation timeline may differ between the two jurisdictions.

How the Condo Conversion Process Works

Converting an ADU into a sellable condo is not as simple as listing it on Zillow. The process involves several legal and administrative steps that homeowners need to understand before committing.

The ADU must be fully permitted and have a certificate of occupancy
The property must be converted into a condominium structure through a legal subdivision process
A condominium plan (or condo map) must be filed with the county
CC&Rs (Covenants, Conditions, and Restrictions) must be created to govern shared areas
Each unit (primary home + ADU) receives its own separate title and APN (Assessor's Parcel Number)
The ADU can then be sold independently with its own mortgage and deed

Financial Implications for Sacramento Homeowners

The financial case for ADU condo conversion depends on your situation. In Sacramento's current market, a well-built 600–800 square foot ADU could potentially sell for $250,000–$400,000 as an independent unit, compared to generating $1,500–$2,500 per month in rental income. See our rental income guide for neighborhood-level estimates. The conversion process itself has costs — legal fees for the condo map, HOA formation documents, and potential survey work could run $15,000–$30,000. Property taxes will be reassessed on each unit separately after the split. For homeowners who built their ADU primarily as an investment and want to cash out, the math can work. For those who prefer ongoing rental income, holding the ADU as a rental may still be the better long-term play.

Who Should Consider an ADU Condo Conversion?

ADU condo conversion makes the most sense for homeowners who built a high-quality detached ADU and want to sell it to recoup their construction investment, or for those who want to downsize into their ADU and sell the primary home separately. It is less attractive for homeowners with attached ADUs or JADUs, where the physical separation between units is minimal and shared-wall issues complicate the condo structure. Homeowners who are generating strong rental income from their ADU may find that the ongoing cash flow outperforms a one-time sale, especially in Sacramento's tight rental market.

Potential Challenges and Limitations

AB 1033 opens a door, but it does not remove every obstacle. Mortgage lenders are still developing products for ADU condos, so buyers may face limited financing options initially. HOA formation for a two-unit condo creates ongoing administrative obligations. And the resale market for ADU condos is untested in most Sacramento neighborhoods — comparable sales data does not yet exist, which can make appraisals challenging. Homeowners should also be aware that once the property is converted to a condo structure, reversing the process is difficult and expensive.

Pro Tip: Before pursuing a condo conversion, consult with a real estate attorney who specializes in California condo law. The legal requirements are specific and mistakes can be costly.

Related Resources

Learn more about ADU investment strategies and the regulatory landscape in Sacramento.

California ADU Laws 2026: SB 543, AB 1154, and More — Full overview of all new ADU legislation effective January 2026
Best Sacramento Neighborhoods for ADU Investment — Where ADU ROI is highest across the region
How ADUs Increase Property Value — Data on how ADUs affect home resale value and appraisals
ADU Cost Calculator — Estimate your construction costs by type, size, and location