The Capitol Concerts portion of the program, plus the annual Memorial Day concert, is budgeted at $6.4 million from the National Park Service budget, which is under the Interior Department, said Annie Orloff, Udall's press secretary.
It will be followed by a joint show put on by two firework companies, Phantom Fireworks and Fireworks by Grucci, that will launch from behind the Lincoln Memorial for a display lasting 15 to 20 minutes. As a result, they are donating an estimated $750,000 or more as part of the plans, said William Weimer, vice president of Phantom Fireworks.
"It will be a pretty overwhelming display," said Weimer. "We saw an opportunity and approached the government in March to make the donation and try to give back to the country that has been so good to us. ... It's a privilege and an honor for us to do this."
They will be followed by Garden State Fireworks, a mainstay of the annual D.C. program since 2013, which will put on a 20-minute show from a new location at West Potomac Park. It will come at a cost of more than $250,000, said Christopher Santore, a choreographer whose family founded the company in 1890.
Last year, Garden State's show was 17.5 minutes long, Santore said.
The celebration is funded by three pots of money: donations, the Interior Department and the Defense Department. This year, the Interior Department and Secretary David Bernhardt have been tasked with leading the expanded plans.
Mark Cancian, a senior adviser with the Washington think tank Center for Strategic and International Studies, said since the Capitol's Fourth celebration is paid by three different sources of money, it's a hard tally to track down in a traditional year.
Add to that all the new elements for the presidential address and extended programming, and the costs become even fuzzier.
"It's a good question," Cancian said. "It's difficult to answer."
Udall, Van Hollen and others have pressed Bernhardt and his agency for answers. They have warned that taxpayer funds can't be used for a political rally and say Trump's plans appear to cross that line.
Special access for VIP section
The White House is issuing special VIP tickets to access a new, restricted area at the steps to Trump's speech as well as halfway along the Lincoln Memorial Reflecting Pool.
A White House official said the area is being reserved for friends, family, Cabinet officials and possibly members of Congress. Military personnel, who are slated to perform, will also be in the ticketed area.
On Tuesday, a Republican National Committee official confirmed it had received a "small number of tickets" to distribute for the special section. The official said it was similar to other customary moves under Democratic and Republican administrations to share tickets for Christmas open houses and garden tours at the White House.