Can you build a duplex in Washington, DC?
The source set does not include the full use tables for RF, RA, MU, or other zones where small multifamily feasibility would depend on exact district rules and overlays.
Confidence: low · Last researched May 2026
Related questions
Are ADUs allowed in Washington, DC?
A secondary source states that one accessory apartment is allowed as matter-of-right in most R zones if the project meets Subtitle U §253 conditions.
What are the parking requirements in Washington, DC?
Parking minimums vary by use — Citywide: Minimum parking requirements are regulated in Subtitle C Chapter 7; Existing buildings / additions: Minimum parking requirements for additions to existing buildings or structures are separately regulated; Existing buildings / change of use: Minimum parking requirements for an expansion or change of use within an existing building or structure are separately regulated; Citywide: Maximum parking requirements are regulated.
What zoning districts are in Washington, DC?
Washington, DC includes districts such as Residential House (R) Zones, Mixed-Use (MU) Zones, Downtown Zones, Production, Distribution, and Repair (PDR) Zones, Special Purpose Zones.
Full investor analysis
The full Washington, DC report breaks down duplex and 2–4 unit feasibility by district, the approval path, and the density/dimensional limits that decide whether the numbers work. First town report is free.
Get the full Washington, DC report free →More about Washington, DC zoning
- Can you build an ADU in Washington, DC?→
- Are short-term rentals allowed in Washington, DC?→
- Is mixed-use development allowed in Washington, DC?→
- What are the parking requirements in Washington, DC?→
This summary is AI-generated from public municipal sources and is not legal, engineering, or land-use advice. Always verify zoning with Washington, DC officials before making decisions.
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