Off-Street Parking Requirements for the D(A): Duplex District in Dallas

In the D(A): Duplex District of Dallas, residential projects such as single-family houses and duplexes are required to provide exactly one off-street parking space per dwelling unit. Commercial or non-residential projects permitted within this district generally have no minimum off-street parking requirement, though specific institutional uses like large churches must provide parking based on seating capacity if the structure exceeds 20,000 square feet.

Residential Parking Requirements

Residential developments in the D(A): Duplex District must adhere to specific ratios and placement rules. For both single-family and duplex uses, the Dallas Development Code requires one parking space per unit [Sec. 51A-4.209(2)(C)].

Residential Use Category	Minimum Required Parking Spaces
Duplex	1 space per dwelling unit
Single-family	1 space per dwelling unit
Handicapped group dwelling unit	None

Placement and Design for Residential Projects

Off-street parking for residential uses in the D(A): Duplex District must be located behind the required front building line [Sec. 51A-4.301(a)(4)(F)(ii)]. Additionally, the Dallas Development Code mandates that these parking areas must be provided at or below ground level [Sec. 51A-4.301(a)(4)(F)(v)].

The surface material for a duplex or single-family parking space and its associated maneuvering area must consist of an all-weather and drainable material approved by the building official [Sec. 51A-4.301(d)(3)].

Commercial and Non-Residential Parking Requirements

The D(A): Duplex District is primarily residential but allows for limited non-residential uses such as nurseries or animal clinics. Under the City of Dallas use regulations, many of these permitted non-residential uses do not have a mandatory minimum parking requirement [Sec. 51A-4.210].

Non-Residential Use Category	Minimum Required Parking Spaces
Nursery, garden shop, or plant sales	None
Animal shelter or clinic (no outside runs)	None
Church (20,000 square feet or less)	None
Church (Greater than 20,000 square feet)	1 space per four fixed seats
Public park, playground, or golf course	None

Institutional Thresholds

While most civic uses in the D(A): Duplex District do not require parking, a church that exceeds 20,000 square feet in floor area must provide one space for every four fixed seats (where 18 inches of a bench or pew is considered one seat) in the sanctuary or auditorium [Table 1.0.1]. If the church is located within a Modified Delta (MD-1) Overlay, different standards may apply [Sec. 51A-4.204(4)(C)].

General Parking Standards in the D(A) District

Stall Width: There is no minimum stall width requirement for non-required off-street parking spaces in Dallas [Sec. 51A-4.301(c)].
Accessibility: All projects must provide and maintain handicapped parking in compliance with federal and state regulations [Sec. 51A-4.305].
Electrical Metering: For residential uses in the D(A): Duplex District, a lot may be supplied by not more than one electrical utility service and metered by no more than two electrical meters [Sec. 51A-4.113(8)(A)].

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