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Last verified: · Confidence: medium
How much notice does a landlord have to give before raising the rent in Montgomery County?
Short answer
At a glance: 90 days
90-day written notice before any rent increase (regulated and exempt units)
Notice: At least 90 days before the rent increase takes effect
Give tenants written notice at least 90 days before any rent increase, by US mail or in person with a signed receipt.
"For both regulated and exempt units, landlords must provide a written 90-day notice before increasing rent. This notice must be delivered by US mail or in person with a signed receipt." montgomerycountymd.gov
Who it covers: Applies to both rent-stabilized and exempt units. Delivery by US mail or in person with signed receipt.
"For both regulated and exempt units, landlords must provide a written 90-day notice before increasing rent. This notice must be delivered by US mail or in person with a signed receipt." montgomerycountymd.gov
Notes: County Code §29-54 (amlegal returned 403; not snapshotted). Overrides/adds to MD state law (no state rent-increase notice found).
Last verified 2026-10-20 · Confidence: medium · Status: verified · Report a correction
Rent stabilization cap: CPI-U + 3% or 6% (lower); 5.2% for July 1, 2026-June 30, 2027; once per 12 months Verified
Deadline: Every year by July 1
For rent-stabilized units, DHCA sets the yearly maximum increase (CPI-U + 3% or 6%, whichever is lower), effective July 1-June 30; the current maximum is 5.2% through June 30, 2027, and rent may rise only once every 12 months.
Who it covers: Rent-stabilized units only; which units are covered (age/exemption criteria) was not captured in a snapshot. Banked unused increases allowed, total capped at 10%.
"These rates are effective from July 1 through June 30 of the following year." montgomerycountymd.gov
"Maximum allowable rent increase is 5.2% These rates remain in effect until June 30, 2027." montgomerycountymd.gov
"Rent for regulated units may only be increased once every 12 months." montgomerycountymd.gov
Notes: County Code §§29-57, 29-58; COMCOR 29.58.01. Calendar event: new allowance takes effect each July 1.
Last verified 2026-10-20 · Confidence: medium · Status: verified · Report a correction