Fallen tree closes Church Street, knocks out power, blocks J Muni line

A fallen tree turned Church Street into a dead end in the Mission, cutting power, blocking the J Muni line and closing a busy stretch between Cesar Chavez Street and 26th Street while crews cleared the debris.

The tree came down at about 1 p.m. Saturday, May 9, 2026, forcing the San Francisco Fire Department to close Church Street as PG&E shut off power to 27 customers during repairs. The San Francisco Municipal Transportation Agency also responded because the blockage hit the J Church corridor, one of the neighborhood’s most important transit links.

Service resumed around 3:15 p.m., making the disruption relatively brief. Even so, the incident showed how quickly a single downed tree can cascade through San Francisco’s infrastructure in a dense part of the city where homes, transit riders, pedestrians and utility lines all share the same blocks.

The J Church line carries more than 14,000 daily customers on an average weekday, according to SFMTA. It has long been one of Muni Metro’s slower and more reliability-challenged routes, which makes any interruption on Church Street especially disruptive for riders trying to move through the Mission and beyond.

The response also highlighted the city’s routine tree-maintenance system. San Francisco Public Works says StreetTreeSF prunes street trees on a three- to five-year cycle, a schedule meant to reduce hazards before branches or trunks come down across roadways and sidewalks. When a tree blocks a street or sidewalk, the city tells residents to report it through 311.

PG&E warns that downed powerlines should be treated as an emergency. The utility says to stay away and call 9-1-1 immediately, a reminder that what starts as a transit problem can quickly become a public-safety hazard when trees and electrical infrastructure intersect. In the Mission, Saturday’s brief shutdown showed how fragile that network can be, and how much depends on fast coordination between tree crews, firefighters, transit officials and the utility company.