Rent regulation & tenants
Rent registry
A local system requiring owners to report units, rents, and tenancies annually; non-registration can bar rent increases and evictions in some cities.
Definition
A rent registry is a local reporting system requiring owners to file unit-level data — current rents, tenancy start dates, occupancy status, services included — typically annually and on turnover, with a per-unit fee. Los Angeles, Oakland, Berkeley, Santa Monica, and a growing list of cities run them, and several condition the right to raise rents (in some cities, even to serve eviction notices) on current registration.
Registries exist to enforce the ordinance's ceilings — including the lawful initial rents that Costa-Hawkins vacancy decontrol establishes at each turnover, which become the new base the local cap compounds from.
Why it matters in an underwrite
Compliance is cheap; non-compliance is expensive — unregistered units in several cities cannot take increases, and cure comes prospectively, not retroactively. For buyers, the registry is also the best objective check on a marketed rent roll: filed rents and tenancy dates that contradict the offering memorandum or the estoppels flag lawful-rent risk. Assume registry data is visible to regulators, tenants' counsel, and future buyers alike.
Sources & related guides
See also
See the term in the law itself
Read the controlling text in the Code Library, or ask the AI how it applies to your project.
Last reviewed 2026-07-29. General information, not legal advice.