Home of SF’s 1st same-sex spouses now a landmark

Phyllis Lyon, left, and Del Martin at home in San Francisco on March 3, 2008. (Photo: Marcio Jose Sanchez / AP file)

The hilltop cottage belonging to a lesbian couple who were the first same-sex partners to legally marry in San Francisco has become a city landmark.

The Board of Supervisors voted unanimously Tuesday to give the 651 Duncan St. home of the…