Police served a search warrant on the 1500 block of 48th Avenue where officers found and seized 29 firearms.
Police in San Francisco took in 187 weapons during a gun buy-back Saturday morning.
Saturday’s rally was largely organized by young people demanding lawmakers tighten gun control laws.
Bay Area legislators gathered Monday in San Francisco to call for the passage of a package of gun control legislation they say could help prevent mass shootings.
Senator Dianne Feinstein introduced a toughened version of her weapons ban that expired in 2004.
President Barack Obama Wednesday demanded an assault weapons ban and universal background checks for gun buyers.
Sen. Dianne Feinstein promises to introduce an assault weapons ban when the Senate reconvenes in January.