Gov. Code, § 66499.30

(a) No person shall sell, lease, or finance any parcel or parcels of real property or commence construction of any building for sale, lease or financing thereon, except for model homes, or allow occupancy thereof, for which a final map is required by this division or local ordinance, until the final map thereof in full compliance with this division and any local ordinance has been filed for record by the recorder of the county in which any portion of the subdivision is located.

(b) No person shall sell, lease or finance any parcel or parcels of real property or commence construction of any building for sale, lease or financing thereon, except for model homes, or allow occupancy thereof, for which a parcel map is required by this division or local ordinance, until the parcel map thereof in full compliance with this division and any local ordinance has been filed for record by the recorder of the county in which any portion of the subdivision is located.

(c) Conveyances of any part of a division of real property for which a final or parcel map is required by this division or local ordinance shall not be made by parcel or block number, initial or other designation, unless and until the final or parcel map has been filed for record by the recorder of the county in which any portion of the subdivision is located.

(d) Subdivisions (a), (b), and (c) do not apply to any parcel or parcels of a subdivision offered for sale or lease, contracted for sale or lease, or sold or leased in compliance with or exempt from any law (including a local ordinance), regulating the design and improvement of subdivisions in effect at the time the subdivision was established.

(e) Nothing contained in subdivisions (a) and (b) shall be deemed to prohibit an offer or contract to sell, lease, or finance real property or to construct improvements thereon where the sale, lease, or financing, or the commencement of construction, is expressly conditioned upon the approval and filing of a final subdivision map or parcel map, as required under this division.

(f) Nothing in subdivisions (a) to (e), inclusive, shall in any way modify or affect Section 11018.2 of the Business and Professions Code.

(g) For purposes of this section, the limitation period for commencing an action, either civil or criminal, against the subdivider or an owner of record at the time of a violation of this division or of a local ordinance enacted pursuant to this division, shall be tolled for any time period during which there is no constructive notice of the transaction constituting the violation, because the owner of record, at the time of the violation or at any time thereafter, failed to record a deed, lease, or financing document with the county recorder.