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

Baltimore County, MD landlord deadlines

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

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Local rules (Baltimore County)

Rental license (or exemption license) required before a tenant moves in Verified

Deadline: Before the tenant moves in (keep the application information updated within 30 days of any change)

Register the property and get a Baltimore County rental license, or an exemption license, before a tenant moves in. Fees for 6 or fewer units: $48 per unit if owner-occupied with one or two tenants, otherwise $60 per unit; short-term rentals $300. Seven or more units: $100 per complex if self-certified, plus $60 per inspected unit if not. Update the application within 30 days of any change.

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

Who it covers: All rental property in the county, including short-term rentals. Exemption license for units occupied only by the owner's relatives (plus one other adult), units exempted by federal or state law, and listed historic dwellings. Licenses may be restricted in the Neighborhood Preservation District near Towson University.

"All rental property in Baltimore County must be registered for a rental license or have an exemption license, per Baltimore County Code Section 35-5-201."
baltimorecountymd.gov
"You must register and be licensed before a tenant moves into the property. This includes short-term rentals."
baltimorecountymd.gov
"Owner-occupied, one or two tenants (long-term): $48 per unit"
baltimorecountymd.gov
"Not owner-occupied rentals (long-term): $60 per unit"
baltimorecountymd.gov
"Not self-certified: $100 per apartment complex plus $60 per unit inspected"
baltimorecountymd.gov
"This information must be updated within 30 days of any change"
baltimorecountymd.gov

Notes: Baltimore County Code § 35-5-201 (code text not snapshotted); Permits, Approvals and Inspections rental registration pages. Violations can bring civil penalties of $25 per day.

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

Rental license lasts 3 years; renew before the third anniversary (exemptions and self-certifications too) Verified

Deadline: Every 3 years from the license effective date

A Baltimore County rental license expires on the third anniversary of its effective date. Renew it before then for another three-year term; exemption licenses and self-certifications must be renewed too.

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

"The rental license is valid for three years and will expire on the third anniversary of its effective date. Before a license expires, the licensee may periodically renew it for an additional three-year term. Exemptions and self-certification must also be renewed."
baltimorecountymd.gov

Notes: Baltimore County rental registration page.

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

Inspection by a state-licensed home inspector for 6 or fewer units; 7+ units self-certify or inspect 10% of units Verified

Deadline: Every 3 years from the license effective date

For dwellings with 6 or fewer units, hire a state-licensed home inspector to complete an Inspection Sheet for each unit and submit it with the registration or renewal. For 7 or more units, self-certify (fewer than 3 code violations in the past 3 years) or have at least 10% of units inspected.

Applies to: any number of units · Layer: Baltimore County, MD · Topic: Rental inspections and certificates

Who it covers: Section 8 or BRHP units may submit an inspection completed within the past 12 months. Pre-1978 units also need a lead inspection certificate (see Maryland lead rules). Inspection cost is set by the inspector.

"All rental properties with six or fewer dwelling units must be inspected. Have an inspection performed by a state-licensed home inspector. The inspector must complete an Inspection Sheet for each unit you intend to rent."
baltimorecountymd.gov
"If your property is not qualified for exemption, follow the steps below to register or renew it with Baltimore County."
baltimorecountymd.gov
"If the property had had fewer than three code violations in the past three years, the owner may apply with a Self-Certification Rental Registration Affidavit."
baltimorecountymd.gov
"Lead inspection certificate if the home or dwelling unit was built before 1978 (not required for short-term rentals)"
baltimorecountymd.gov

Notes: The County lists the inspection as a step to 'register or renew'; the page does not spell out how recent the inspection must be at renewal. County Code text not snapshotted.

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
Federal estimated tax payment #1 due April 15Every year by April 15 (next business day if that date is a weekend or legal holiday)high
Federal estimated tax payment #2 due June 15Every year by June 15 (next business day if that date is a weekend or legal holiday)high
Federal estimated tax payment #3 due September 15Every year by September 15 (next business day if that date is a weekend or legal holiday)high
Federal estimated tax payment #4 due January 15 (for the previous tax year)Every year by January 15 (next business day if that date is a weekend or legal holiday)high
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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