by Jorge Fontan | Last updated Feb 21, 2026 | Additions & Enlargements, Brownstones & Townhouses, Landmarks
Enlarging a townhouse in New York City is not simply a design decision — it is a regulatory and structural feasibility question. Zoning regulations, landmark oversight, building code requirements, and Department of Buildings approvals collectively determine what can...
by Jorge Fontan | Last updated Feb 20, 2026 | Additions & Enlargements, Brownstones & Townhouses, Renovating
In New York City, where space is limited, rooftop area can be an opportunity for additional outdoor living. While adding a roof deck to a townhouse can significantly enhance usability and value, the feasibility of such a project depends on regulations, structural...
by Jorge Fontan | Last updated Feb 28, 2026 | NYC DOB, Additions & Enlargements, Building Conversions
Navigating building permits in New York City can feel overwhelming. The NYC Department of Buildings (DOB) maintains a complex filing system, and understanding which type of alteration application your project requires is an essential first step in any renovation...