IRS Office Wilmington

This page provides information about the IRS Office Wilmington location.

IRS Office Wilmington – 844 King Street, Wilmington, DE 19801

The Wilmington IRS Office is situated at the United States District Court building, at the District of Delaware. This federal building is also known as J. Caleb Boggs Federal Building. Named after James Caleb “Cale” Boggs who was an actively serving politician in the U.S. Republican Party; he had served three terms as a US Representative and two terms as the Governor of Delaware. Construction of the J. Caleb Boggs Federal Building was completed in 1973. A retrofit project was carried-out on this building which was done in 2011. Precast concrete has been used as the prime material for façade design; this building strikes out as an aesthetically pleasing infrastructure in the busy downtown area of Wilmington. The J. Caleb Boggs federal building is categorized for office spaces, and general known as the courthouse building amongst the locals.


East on N Spruce Street: Head southwest on E 11th Street toward N Spruce Street and continue driving onto N Spruce Street for a while. Upon arrival, take a right turn onto E 10th Street and continue for half a mile. Then, take a left turn onto N King Street. After a while, the Federal Building will be on the left.

West on N Van Buren Street: Drive southeast on West 4th Street toward N Van Buren Street and drive for a while. On the way, pass by McDonald’s which should be in the right, then after a quarter mile, take a left turn onto North Market Street. Soon after, turn right onto East 9th Street and drive for a few hundred feet. Then, finally, take a right turn at the 1st cross-street onto N King Street. After a hundred feet, the IRS Office/Federal Building will be on the left on this street.

North on N Market Street: This is the easiest driving direction for people from norther sides of the district. Drive south on North Market Street and continue driving until the E 9th Street cross-street is in sight. Immediately after this cross-street, the Federal Building will be on the left.

South on S Walnut Street: Drive northeast on South Walnut Street toward E front Street. Until the E 10th Street arrives, keep driving, upon arriving at the cross-street, take a left turn onto East 10th Street. Take a left turn at the 2nd cross-street onto North King Street. After a while, the Federal Building/IRS Office will be on the left.


Monday through Friday from 8.30 am to 4.30 pm, with a one-hour lunch break from 12 pm to 1 pm. This office follows the federal holiday schedule.


Information: (302) 830-2076

Appointment: (844) 545-5640


There is no on-spot/guaranteed parking space available in the premises of this Federal Building. Commercial parking arrangements are available within walking distance. Parking meters might not be readily available in the close peripheries of the federal building.


All federal buildings across the United States has beefed-up security measures and the J. Caleb Boggs Federal Building is no exception. All public visitors are required to pass through electronic security equipment. Presenting a government issued valid photo ID is required for the confirmation of identity and appointment.


All public visitors are required to take appointment(s) prior to visiting this IRS Office, by calling the numbers provided above. Visitors without an appointment might not even be served.


  • Account inquiries (help with letters, notices and levies on your wages or bank account)
  • Adjustments (changes to tax account information or payments)
  • Alien clearances (Sailing Permits)
  • Assistance with Affordable Care Act tax provision questions for individuals
  • Assistance with questions about tax law changes in the Tax Cuts and Jobs Act is available year-round. See Tax Cuts and Jobs Act for more information.
  • Basic tax law assistance January 1 – April 18 (answers related to your individual Federal Tax Return) (Topics)
  • Form 911, Request for Taxpayer Advocate Service Assistance
  • Form 2290, Heavy Highway Vehicle Use Tax Return (submission of tax return if unable to e-file)
  • Individual Taxpayer Identification Numbers and Form W-7 (More Information)
  • Payment arrangements
  • Payments (check or money order only)
  • Procedural inquiries
  • Solutions to tax issues
  • Tax forms (All forms, instructions & publications are readily available online on Availability is very limited in IRS offices)

*Does not accept cash payments

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