Unincorporated Montgomery County · Security deposit

How big can the deposit be in Unincorporated Montgomery County?

Max 1 month's rent.

A deposit can be 2 months only for some renters getting utility help.

Why, and the exact law
From Md. Code, Real Prop. § 8-203, read Oct 6, 2026.
Show the law

“a landlord may not impose a security deposit in excess of the equivalent of 1 month’s rent per dwelling unit, regardless of the number of tenants …”

Md. Code, Real Prop. § 8-203 · mgaleg.maryland.gov

Moved out? Count the days

In Maryland the landlord has 45 days to return it.

Who can help

  1. Montgomery County Office of Rent StabilizationMontgomery County Office of Rent Stabilization
  2. Get free legal helpThey can help you ask for it, or go to small claims court.Maryland Legal Aid
Every rule here, word for word (2)

State law applies here too. Where both cover a rental, the stricter city rule usually wins; each rule below says so.

Maryland lawIn force

Maryland security deposit cap, handling, interest and return rules

How big can the deposit be?

Max 1 month's rent.

A deposit can be 2 months only for some renters getting utility help.

Who it covers

  • Covers: Applies to landlords and prospective landlords of leased dwelling units; no waiver permitted in any lease.
The law, word for word

“a landlord may not impose a security deposit in excess of the equivalent of 1 month’s rent per dwelling unit, regardless of the number of tenants …”

Md. Code, Real Prop. § 8-203 · mgaleg.maryland.gov · Retrieved Oct 6, 2026

No other rule found

Security deposits are governed by state law (Md. Code, Real Prop. § 8-203). The documents show no separate county security-deposit ordinance for unincorporated Montgomery County.

The law, word for word

“a landlord may not impose a security deposit in excess of the equivalent of 1 month’s rent per dwelling unit, regardless of the number of tenants …”

Md. Code, Real Prop. § 8-203 · mgaleg.maryland.gov

Quote checked word for word

More about Unincorporated Montgomery County

Rental law by cityWhat's changing in Unincorporated Montgomery County

Information about the law, not legal advice.