Gov. Code, § 66341

A local agency shall allow an accessory dwelling unit to be sold or conveyed separately from the primary residence to a qualified buyer if all of the following apply:

(a) The accessory dwelling unit or the primary dwelling was built or developed by a qualified nonprofit corporation.

(b) There is an enforceable restriction on the use of the land pursuant to a recorded contract between the qualified buyer and the qualified nonprofit corporation that satisfies all of the requirements specified in paragraph (10) of subdivision (a) of Section 402.1 of the Revenue and Taxation Code.

(c) The property is held pursuant to a recorded tenancy in common agreement that includes all of the following:

(1) The agreement allocates to each qualified buyer an undivided, unequal interest in the property based on the size of the dwelling that each qualified buyer occupies.

(2) A repurchase option that requires the qualified buyer to first offer the qualified nonprofit corporation to buy the accessory dwelling unit or primary dwelling if the buyer desires to sell or convey the property.

(3) A requirement that the qualified buyer occupy the accessory dwelling unit or primary dwelling as the buyer’s principal residence.

(4) Affordability restrictions on the sale and conveyance of the accessory dwelling unit or primary dwelling that ensure the accessory dwelling unit and primary dwelling will be preserved for low-income housing for 45 years for owner-occupied housing units and will be sold or resold to a qualified buyer.

(5) If the tenancy in common agreement is recorded after December 31, 2021, it shall also include all of the following:

(A) Delineation of all areas of the property that are for the exclusive use of a cotenant. Each cotenant shall agree not to claim a right of occupancy to an area delineated for the exclusive use of another cotenant, provided that the latter cotenant’s obligations to each of the other cotenants have been satisfied.

(B) Delineation of each cotenant’s responsibility for the costs of taxes, insurance, utilities, general maintenance and repair, improvements, and any other costs, obligations, or liabilities associated with the property. This delineation shall only be binding on the parties to the agreement, and shall not supersede or obviate the liability, whether joint and several or otherwise, of the parties for any cost, obligation, or liability associated with the property where such liability is otherwise established by law or by agreement with a third party.

(C) Procedures for dispute resolution among the parties before resorting to legal action.

(d) A grant deed naming the grantor, grantee, and describing the property interests being transferred shall be recorded in the county in which the property is located. A Preliminary Change of Ownership Report shall be filed concurrently with this grant deed pursuant to Section 480.3 of the Revenue and Taxation Code.

(e) Notwithstanding Section 66324, if requested by a utility providing service to the primary residence, the accessory dwelling unit has a separate water, sewer, or electrical connection to that utility.

(f) Nothing in this section limits the ability of an accessory dwelling unit to be sold or otherwise conveyed separate from the primary residence as a condominium pursuant to an ordinance adopted under Section 66342.