The Steepest Streets in San Francisco

1.Filbert between Leavenworth and Hyde31.5% G Y!
2.22nd Street between Church and Vicksburg31.5% G Y!
3.Jones between Filbert and Union29% G Y!
4.Duboce between Alpine and Buena Vista27.9% G Y!
5.Jones between Union and Green26% G Y!
6.Webster between Vallejo and Broadway26% G Y!

(Source: SFGate from San Francisco Almanac)