Some neighborhood mysteries are charming. This one has a body count of sidewalks.
The vanishing act
Since the spring, residents of Bernal Heights have watched the small square sewer-vent grates set into their sidewalks simply disappear, Mission Local reported. Where a grate once sat, an open hole is left behind. Neighbors on a few streets have compared notes — and, in some cases, security-camera footage — describing the same lone figure moving through the dark in the small hours, headlamp on, working quickly with tools that can defeat tamper-resistant fasteners. Some residents who paid to replace a stolen grate have had the replacement vanish, too. The thefts have not been confined to one block; other San Francisco neighborhoods have reported covers going missing as well.
The part that makes no sense
Metal theft is usually easy to explain: catalytic converters, copper wire and the like are stolen because they are worth real money at scrap. The sewer grates are not. As mixed steel, they fetch only a few cents a pound — you would need a small mountain of them to make a single dollar. That has left residents and officials puzzling over the motive. One local artist acknowledged having taken grates in the past for art projects but denied any part in the current spree, according to Mission Local. Whatever is driving it, the person responsible has not been identified, and no one should be assumed guilty without evidence.
The real cost
Whatever the reason, the holes are a genuine hazard. Each opening is a place to catch a foot, a bike tire or a paw — one resident said a dog fell through — and in San Francisco the burden of fixing them falls on property owners, not the city, under local public-works rules. That means tracking down the right replacement cover, buying it and installing it, sometimes more than once. Hardware and plumbing suppliers say demand for the covers has jumped as residents scramble to close the gaps.
A wider pattern
The grate thefts land amid a broader resurgence of metal theft across California, as scrap prices stay elevated. Copper wire and catalytic converters remain the marquee targets, and organized crews have been broken up in large investigations, yet the thefts persist because the incentives do. The sewer grates are the odd exception — a theft that does not pay, carried out with real skill and persistence. Until the phantom of Bernal Heights is identified, or the motive explained, the neighborhood is left doing what it has been doing for months: filling out city service requests, buying new covers, and keeping one eye on the security footage.
