TOPIC

NYC DOB

Filings, permits, and the Department of Buildings process that turns a design into a built project.

The Architect's Guide to Renovating an NYC Brownstone

June 24, 2026 · 25 min read

The Architect's Guide to Renovating an NYC Brownstone

How brownstones are built, what you can change, how approvals work, and what shapes the renovation before construction begins.

Certificate of Occupancy in NYC, What It Is and Why It Matters

June 14, 2026 · 8 min read

Certificate of Occupancy in NYC, What It Is and Why It Matters

The city record that says what a building is allowed to be, what it lists, and why a sale, a lease, or a renovation starts with it.

NYC Alteration Permits: Alteration and Alteration-CO

June 9, 2026 · 9 min read

NYC Alteration Permits: Alteration and Alteration-CO

The two DOB filing types behind substantial New York renovations, what separates them, and why the difference can shape review, closeout, and timing.

When and Why You Need an Architect for an NYC Renovation

May 11, 2026 · 24 min read

When and Why You Need an Architect for an NYC Renovation

When NYC renovations require an architect, when they don't, and how to tell the difference.