Marin inventory surged 25% last month—biggest jump in Northern California

Marin County saw a 25% increase in the number of homes for sale last month, according to Zip Realty's blog. (Note that this is for single family and condos only.)

The data, which shows 955 homes on the market in March, versus 763 last month, was culled from the MLS. San Francisco is in second place with 1,342 homes on the market—up 11% from 1,210 last month.