New Private Housing Authorized by Building Permits: 1-Unit Structures for Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) was 774.00000 Units in March of 2025, according to the United States Federal Reserve. Historically, New Private Housing Authorized by Building Permits: 1-Unit Structures for Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) reached a record high of 2443.00000 in March of 1988 and a record low of 253.00000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for New Private Housing Authorized by Building Permits: 1-Unit Structures for Philadelphia-Camden-Wilmington, PA-NJ-DE-MD (MSA) - last updated from the United States Federal Reserve on April of 2026.