Navigating the complexities of US immigration can be challenging, especially when it comes to understanding the processing times at various field offices. In this comprehensive guide, we will focus on the USCIS Boston Field Office and discuss the processing times for some of the most common immigration applications. By understanding the process and factors that influence processing times, you can better navigate the system and ensure a smoother immigration journey.

A Brief Overview of the Boston Field Office and Its Role

The Boston Field Office is responsible for serving the immigration needs of residents in the Commonwealth of Massachusetts. It plays a crucial role in processing various immigration applications such as the I-485 (Application to Register Permanent Residence or Adjust Status), N-400 (Application for Naturalization), and N-600 (Application for Certificate of Citizenship).

Understanding the processing times at the Boston Field Office is essential for applicants to plan their immigration journey and set realistic expectations regarding their applications’ outcomes.

The Process at the Boston Field Office

The process at the Boston Field Office involves multiple stages, which include:

  1. Application submission: Applicants submit their completed forms, such as the I-485 or N-400, along with the required documents and fees.
  2. USCIS review: USCIS reviews the submitted applications and supporting documents to ensure completeness and accuracy.
  3. Biometrics appointment: If required, applicants will be scheduled for a biometrics appointment to capture their fingerprints, photograph, and signature.
  4. Interview: USCIS may schedule an interview with the applicant to gather additional information and verify the provided documents.
  5. Decision: USCIS will make a decision on the application based on the provided information and documents.

Average Processing Times at the Boston Field Office

The processing times at the Boston Field Office vary depending on the type of application. Currently, the average processing times are:

FormCategoryOffice80% of cases are completed within
I-485Employment-based adjustment applicationsBoston MA20 Months
I-485Family-based adjustment applicationsBoston MA16.5 Months
N-400Application for NaturalizationBoston MA9.5 Months
N-600Application for recognition of U.S. citizenshipBoston MA20 Months
  • I-485 Employment-based adjustment applications: 19.5 months
  • I-485 Family-based adjustment applications: 20 months
  • N-400 Application for Naturalization: 12 months
  • N-600 Application for recognition of U.S. citizenship: 24 months

Keep in mind that these processing times are subject to change and can vary based on various factors.

Factors Influencing Processing Times

Several factors can influence processing times at the Boston Field Office, including:

  • Application volume: A high volume of applications can lead to longer processing times.
  • Processing capacity: The capacity of the field office to process applications is another factor that can affect processing times.
  • Application complexity: More complex cases, such as those involving criminal records or extensive immigration history, may require additional time for review and processing.
  • Applicant responsiveness: Delays in providing requested information or attending scheduled appointments can also impact processing times.

How to Navigate the Process

To ensure your application is processed as quickly as possible, consider the following tips and advice:

  1. Prepare your application carefully: Ensure your application is complete and accurate before submitting it. Consider using resources like the CitizenPath Form N-600 Guide to help you prepare your application.
  2. Submit all required documents: Make sure you submit all the necessary supporting documents with your application.
  3. Stay informed: Regularly check the USCIS website for updates and changes to processing times or requirements.
  4. Be responsive: If USCIS requests additional information or schedules an appointment, respond promptly and attend the appointment on time.
  5. Consider expeditious naturalization: If you are a foreign-born spouse of a U.S. citizen, you may be eligible for expeditious naturalization, which can result in faster processing times.


Understanding the processing times at the Boston Field Office is essential for planning your immigration journey. By staying informed, preparing your application carefully, and being responsive to USCIS requests, you can help ensure your application is processed as quickly as possible. We encourage you to share your experiences or ask further questions in the comments below. Good luck on your immigration journey!

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