An extension of the National Guard deployment in Washington, D.C., through January 2029 is estimated to cost approximately $1.4 billion, according to a Defense Department assessment provided to Congress. This figure offers insight into the taxpayer expenditure for a deployment that has drawn criticism from local officials concerned about city autonomy and from Democrats who argue it has militarized the capital.

The cost estimate covers fiscal years 2027 through 2029 and was submitted in response to inquiries from Massachusetts Democratic Sen. Elizabeth Warren. The deployment, which began last summer under President Donald Trump's administration as a law enforcement surge intended to combat crime, has involved hundreds of armed Guard troops on city streets. Their duties have included supporting arrest operations, assisting with snow removal, and participating in beautification projects. During events this summer celebrating the nation's 250th anniversary, troop numbers reached approximately 5,000.

The Defense Department's estimate assumes an average of 2,500 National Guard members will be present in Washington until January 2029. Senator Warren stated that while American families face rising costs, the administration is allocating $1.4 billion for an extended troop presence, characterizing the deployment as a "political stunt."

The Pentagon confirmed last month that the Guard mission is slated to continue until January 20, 2029, unless terminated earlier by the President. This extended duration follows previous extensions of a deployment that was originally set to conclude at the end of the current year.

While court rulings have elsewhere restricted the use of National Guard members, their substantial presence persists in Washington D.C., where the President holds direct command authority over the D.C. Guard. The duration for which state governors will extend their units beyond two years remains uncertain. As of late July, approximately 4,600 military personnel from D.C. and 23 states and territories were stationed in the city, some deployed for security and other functions related to July 4th events. For instance, Georgia had about 800 personnel in the city, with a spokesperson indicating this increased number was temporary. Arkansas reported that about half of its 238 soldiers in D.C. would return home by the end of September, with the remainder projected to depart near the end of October. Hawaii indicated its 27 members would return by the end of September, and Louisiana plans to keep about 150 Guard members in the city through January 2027.

Residents have expressed concerns that the funds allocated for the National Guard could be redirected to essential services. Some protesters have demonstrated against the continued surge, arguing the money could be better spent on healthcare and food for families in need.