ADUs are allowed in Takoma ParkTypes:DetachedInternal
Types:DetachedInternal
Accessory Dwelling Unit (ADU) Rules for Takoma Park, MD
Is your property eligible for an ADU?
# of Properties
3,787
Owner-occupied
87%
Zoning districts
34
Avg Home Value
$731,734
Median Lot Size
0.16 acres
Avg Income
$149,167
Residential Types:
3,787 housing units
Single Family
91%
Apts (4+ units)
4%
Other
5%
Zoning Districts:
4,214 parcels · 34 districts
R-60
83%(3,518)
R-40
5%(211)
R-20
2%(96)
R-30
1%(55)
Other
8%(334)
ADU Rules
What can you build in Takoma Park, MD?
Takoma Park, MD follows state and local rules for Accessory Dwelling Units. Here is a concise overview of the local rules.
Eligibility
- –Internal / Attached ADU: By Right
- –Detached ADU: By Right
Interior / Attached ADU Size Limits
- –Maximum size of 1,200 sq ft gross floor area for an internal or attached ADU (basement/cellar ADUs may match the basement or cellar area).
Detached ADU Size Limits
- –Maximum size is the least of 50% of the principal building footprint, 10% of lot area, or 1,200 sq ft.
Max Units
- –1 ADU per lot (attached or detached)
Owner Occupancy
- –Owner occupancy not required.
Parking
- –1 space/ADU (2 if a new driveway is needed); no on-site space required within 1 mile of transit; Hearing Examiner may waive; tandem parking allowed.
Rental Restrictions
- –Short-term rentals (<30 days) prohibited on sites with an ADU; ADU may not be located on a lot with any short-term rental use; Bed and Breakfast (short-term lodging) prohibited on sites with an ADU.
ADU State Law
What can you build in Maryland?
- –Local-law mandate: By Oct 1, 2026, each legislative body must adopt a local law authorizing ADUs under this section.
- –Local zoning mostly remains: The subtitle generally does not alter local zoning power except as provided, but locals must establish policies that further the subtitle's intent.
- –Definition-based size cap: An ADU must be ≤ 75% of the size of the primary SF detached dwelling and subordinate in use; ADUs may be detached or attached.
- –Density/growth limits: ADUs must be excluded from density calculations and from measures limiting residential growth that pertain to the lot/parcel/tract.
- –Setbacks: Local law cannot set side/rear setbacks that exceed existing accessory-structure setbacks.
- –Parking: If a jurisdiction adds off-street parking requirements, it must consider specified factors and provide a waiver process, and must complete a parking study before adopting such requirements.
- –Alley access option: Local law may prohibit converting an accessory structure to an ADU if only vehicular access is from an alley.
- –Codes/adequate facilities: Local law must provide for ADU construction meeting public health/safety/welfare standards, including building codes and adequate public facilities provisions.
What's allowed on your lot?
These are the municipality-wide rules. What's allowed on a specific property also depends on state laws, setbacks, floor area ratio, lot coverage, environmental constraints, topography, and other property-specific factors. Search your address on FutureLot to see what's allowed on your property.
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ADU rules in other Maryland municipalities
Rules change at the town line. Check the municipality your property is actually in.
Montgomery County