Structure types · Building Permits Survey
2-unit structures
Buildings with exactly two housing units, such as duplexes.
The 2-unit category counts permits for structures containing exactly two housing units — duplexes and similar two-family buildings. It is part of what's often called 'missing middle' housing.
Also known as: duplex, two-family.
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2-unit structures — FAQ
What is 2-unit structures in building permits data?+
Buildings with exactly two housing units, such as duplexes. The 2-unit category counts permits for structures containing exactly two housing units — duplexes and similar two-family buildings. It is part of what's often called 'missing middle' housing.
Where does this building-permit data come from?+
All figures come from the U.S. Census Bureau's Building Permits Survey (BPS), a monthly census of permit-issuing jurisdictions. PUMSdata is an independent product that makes it easy to map and compare, and is not affiliated with the Census Bureau.