Embarking on a construction or renovation project in New York City requires navigating the complexities of the Department of Buildings (DOB) process. Understanding the essential steps can ensure your project progresses smoothly and complies with city regulations. Here’s a concise guide to help you through the process.
05 / 03 / 2025
Navigating the DOB process. 5 key things you need to know
In this article, you will learn five key aspects of the New York City Department of Buildings (DOB) approval process, including the need for permits, working with licensed professionals, using the DOB NOW platform, types of permits, and the importance of timely inspections. This knowledge will help you successfully and without delay realize a construction or renovation project in the city


Determine if you need a permit
Before initiating any construction work, ascertain whether your project requires a permit. Minor alterations like painting or installing new cabinets typically don’t necessitate a permit.
However, significant changes such as structural modifications or plumbing work do. Consult the DOB’s guidelines or a licensed professional to determine your project’s requirements, or discuss it with our managers — they will help.

Engage a licensed professional
For most construction projects, a New York State Registered Design Professional (RDP), such as a licensed Professional Engineer (PE) or Registered Architect (RA), must submit the construction plans to the DOB.
This professional, known as the Applicant-of-Record, is responsible for ensuring that your plans comply with building codes and zoning regulations.
Utilize DOB now for filing and inspections
The DOB NOW platform streamlines the application and inspection processes. Through DOB NOW: Build, you can file jobs, submit fees, upload documents, and track your project’s status online. DOB NOW: Inspections allows you to schedule and review inspections, improving efficiency and transparency.
Understand the permit types and timelines
New York City categorizes permits into different types, such as New Building (NB) and Alteration (Alt) permits. The processing time varies:
- Alt1 (Standard Filing): 3-4 months.
- Alt1 (Self-Certification): 3-4 weeks.
- Alt2 (Standard Filing): 4-6 weeks.
- Landmark Approval (Standard): 4-6 weeks.
- Landmark Approval (Expedited): 4-7 business days.
Understanding these timelines helps in planning your project effectively.

Schedule inspections promptly
Inspections are a critical component of the construction process. Use DOB NOW: Inspections to schedule necessary inspections in areas like electrical, plumbing, and structural work. Be prepared by ensuring all work is completed to code and that your site is ready for review. Timely inspections help avoid delays and ensure compliance
Top ideas:
To further assist you in navigating the DOB process, consider these resources:
Navigating DOB – NYC.gov: Official guidelines and resources from the NYC Department of Buildings.
Building Applications & Permits – NYC.gov: Information on permit requirements and application procedures.
Use DOB NOW – NYC.gov: Access to the DOB NOW platform for filing and inspections.
By understanding these key aspects and utilizing available resources, you can navigate the DOB process with confidence, ensuring your project is compliant and progresses without unnecessary delays.
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