Proposition G, the massive Hunters Point development initiative that marked San Francisco’s last best hope for keeping the team, cruised to a decisive victory Tuesday night.

More important for the project’s chances, a competing measure that sought to dramatically increase the amount of affordable housing in the development was soundly defeated. If Proposition F had passed, San Francisco officials warned, it would have scuttled the entire project - stadium included.

“We feel it’s very important for the Bayview and Hunters Point communities for this development to go forward,” the 49ers’ Lisa Lang said. “And it also holds open the possibility of an alternative site for that 49ers stadium.”

While Santa Clara and team officials still hope to craft a stadium financing agreement by July in hopes of going to the voters in November, significant financial hurdles remain.

And even as the team has intensified negotiations with Santa Clara - long considered the front-runner for the new stadium - the option to build in San Francisco appears likely to remain a viable fallback in case those talks falter.