LandlordDates
Not legal advice. This is a free reference compiled from official government sources. Laws change and local details matter. Confirm every deadline with the official source or a licensed attorney before you rely on it.

Last verified: · Confidence: medium

Montgomery County, MD landlord deadlines

County rules for Montgomery County, which add to Maryland statewide rules and federal rules. Official site: montgomerycountymd.gov.

Build a dated calendar for Montgomery County

Local rules (Montgomery County)

Rental housing license: license year July 1-June 30; renewal payment due July 31 Verified

Deadline: Every year by July 31

Montgomery County rental licenses run July 1-June 30 and must be renewed every year; DHCA sends invoices July 1 and payment is due by July 31 even if no invoice arrives.

Applies to: any number of units · Layer: Montgomery County, MD · Topic: Rental registration and licensing

Who it covers: All single-family, condo, ADU and multifamily rentals (separate rules for owner-occupied room rentals). Update record within 10 days of changes. Pre-1978 properties must comply with MD lead law. Out-of-state owners need a Maryland legal agent. Multifamily owners must complete the Annual Multifamily Rental Survey.

"All Rental Housing Licenses are valid for one (1) licensing year – July 1st to June 30th and must be renewed annually. Renewal fees are due no later than July 31st of the current year."
montgomerycountymd.gov
"The July 31st payment deadline is not waived if the landlord or agent does not receive the DHCA renewal invoice."
montgomerycountymd.gov
"Owners of a rental properties built before January 1, 1978 are required to comply with the State of Maryland Lead Poisoning Prevention standards."
montgomerycountymd.gov

Notes: Montgomery County Code Ch. 29 (not snapshotted; amlegal.com returned HTTP 403). Adds to MD state law.

Last verified 2026-10-20 · Confidence: medium · Status: verified · Report a correction

90-day written notice before any rent increase (regulated and exempt units) Verified

Deadline: 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.

Applies to: any number of units · Layer: Montgomery County, MD · Topic: Rent increase notice

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.

Applies to: any number of units · Layer: Montgomery County, MD · Topic: Rent increase notice

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

Maryland statewide rules that also apply

Maryland statewide rules
RuleDeadlineConfidence
Return deposit plus interest within 45 days; itemized damages list by first-class mailWithin 45 days after move-outhigh
Deposit into a Maryland interest-bearing escrow account within 30 daysWithin 30 days after the lease startshigh
Written deposit receipt (in the lease) with required tenant-rights notices; keep 2 yearsWhen the security deposit is taken (receipt included in the written lease); retain copy 2 years after tenancy endshigh
Register pre-1978 rental properties with MDE and renew by December 31 each yearEvery year by December 31high
Lead risk reduction standard + inspection before each new tenant (pre-1978)At each change in occupancy, before the next tenant moves inhigh
60 days' written notice to terminate (term lease or month-to-month); 90 days year-to-yearAt least 60 days before the lease ends (90 days for year-to-year tenancy)high

Federal rules that also apply

Federal rules (all states)
RuleDeadlineConfidence
Lead-based paint disclosure and EPA pamphlet before lease signing (pre-1978 housing)Before the tenant is obligated under the lease (before signing / before accepting an offer to lease)high
Signed lead disclosure attachment with lease; keep for 3 yearsKeep the signed disclosure for at least 3 years from the lease start; the date shown is the earliest you may discard ithigh
Report rental income/expenses on Schedule E with Form 1040Due April 15, 2027 with your 2026 Form 1040; if that falls on a weekend or legal holiday, the next business daymedium
2026 estimated tax payment #1 due April 15, 2026Due April 15, 2026high
2026 estimated tax payment #2 due June 15, 2026Due June 15, 2026high
2026 estimated tax payment #3 due Sept. 15, 2026Due September 15, 2026high
2026 estimated tax payment #4 due Jan. 15, 2027Due January 15, 2027high
File and furnish Form 1099-NEC for 2026 contractor payments of $2,000+Due January 31, 2027 (for 2026 payments); if that falls on a weekend or legal holiday, the next business dayhigh

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