"Today's vote is a resounding show of confidence in our fiscally responsible plan for 2028 and more evidence of Angelenos' passion to return the Games to Los Angeles".
"My top priorities in this process are to protect Los Angeles taxpayers and create new opportunities for young Angelenos to play sports, and be healthy", Los Angeles mayor Eric Garcetti said.
Los Angeles' City Council have voted unanimously to authorise the signing of a Host City Contract with the International Olympic Committee (IOC) for the 2028 Olympic and Paralympic Games.
Los Angeles was granted the right to stage the 2028 Olympics after cutting a deal with Paris to step aside in the race for the 2024 Games.
The City Council had already given unanimous support to the LA 2024 bid and is expected to back 2028 at a meeting on Friday.
Prior to the vote more than 50 Olympic and Paralympic athletes joined the bid leaders to give support for bringing the games back to the city.
This time, council members will vote several months before they have a revised budget for the 2028 Games.
Olympics in LA really coming in 2028! Council votes final OK
The contract has been signed today in order to meet an International Olympic Committee deadline of August 18, despite no revised budget or independent analysis having yet been carried out. If that approval is given, the IOC, Los Angeles and Paris will work on a formal three-way agreement in advance of the IOC's meeting in Lima, Peru, on September 13, when the Games will officially be awarded.
"This new MOU ensures that our City priorities remain front-and-center in LA 2028's preparations for the Games". The IOC has reached a tripartite agreement with the cities of Paris and Los Angeles to forego the usual host city election and give the 2024 edition to Paris followed by LA in 2028.
With the legislature in recess, it is impossible to immediately guarantee they will approve the same amount for 2028.
In just 32 days the IOC is expected to rubber stamp the agreement to accept the double awarding of the two Olympics for 2024 and 2028 at the IOC Session in Lima.
Under the agreement, LA 2028, the committee behind the city's Olympic campaign, will invest up to $160 million to increase youth sports programmes in the city during the 11 year run-up to the Games.
After the council's vote, Garcetti, Wesson, Lewis and others held a news conference in the forecourt of City Hall surrounded by former Olympic athletes.
A recent poll by Loyola Marymount University that found 83 percent of Los Angeles residents support the 2028 bid.
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