At the Yes On J viewing party, people are celebrating. A band played as the early numbers at 11 p.m. showed the "yes" vote leading to a win.
Measure J backers support the building of a $937 million stadium, near Great America in Santa Clara.
The 49ers have agreed to foot nearly $500 million of it. The rest would come from several sources, including a hotel tax and Santa Clara's redevelopment agency.
And that's where the problem lies for many tax payers who oppose Measure J.
Though the final numbers were not in, members of the York family -- who own the 49ers -- came by the viewing party to celebrate with Measure J supporters.
"It looks good obviously from the absentee turnout. We hope that continues, and I just want to say that this has been such a great experience for me, for the 49ers and my family," said 49ers team president Jed York.
"I believe public funds should be used for public needs, not as corporate welfare for billionaire NFL team owners," said Chris Koltermann from the Santa Clara Plays Fair group.
"What stadium is doing is it's using redevelopment money to build a football stadium. And I don't see how you can compare a football stadium with roads, streetlamps and sewers," Bill Bailey from Santa Clara Plays Fair.
If Measure J passes, a stadium authority would be formed this summer. That group would be in charge of raising millions of dollars to put toward the overall cost of the stadium.
Construction could begin as early as 2012.