DC rent increase rules in 2026: rent-control cap formula, elderly/disabled limits, notice requirements, and what counts as a non-controlled unit.
In a rent-controlled unit, the standard 2026 cap is CPI-W plus 2 percent, with an absolute ceiling of 10 percent (or CPI-W plus zero for elderly or disabled tenants, capped at 5 percent). Non-rent-controlled units have no statutory cap but still require 30 days written notice and a current RAD filing.
No. The lease controls the rent for its term. Increases land at lease renewal or at the end of a month-to-month notice period.
You cannot bank prior years. Each 12-month cycle stands on its own.
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