California Code, Revenue and Taxation Code - RTC § 402.3

An assessor shall consider any restrictive covenant, easement, restriction, or servitude adopted pursuant to Section 25202.5, 25222.1, or 79055 of the Health and Safety Code or any restriction, easement, covenant, or servitude imposed pursuant to Section 25230 of the Health and Safety Code as an enforceable restriction, easement, covenant, or servitude subject to Section 402.1 and shall appropriately reassess any land, the use of which has been so restricted, at the lien date following the adoption or imposition of the covenant, easement, servitude, or restriction.