Inside San Francisco's off-leash dog culture war
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To leash or not to leash: That is the question. Photo: Nadia Lopez/Axios
What started as one San Francisco resident's frustration with off-leash dogs has evolved into a site for reporting such sightings and a heated online fight over leash etiquette and public space.
State of play: The SF Dogtracker site is linked on laminated signs that its creator, who goes by the alias Sean Layne, has hung near parks across the city.
- Layne told Axios he launched it in February to force city officials to take leash enforcement more seriously amid rising dog bite incidents and a lax dog culture that encourages rule-breaking behavior.
- The off-leash dog debate has struck a nerve with Axios SF readers and other locals, with Layne at the helm as one of its loudest critics.
"Why do these rules exist if they're not going to be enforced?" Layne, who requested anonymity due to personal safety concerns, told Axios. "Dogs are great. It's dog owner entitlement that's truly the problem here."
Zoom in: Layne's civic crusade began after seeing off-leash dogs running loose at Jackson Playground Park in Potrero Hill, where they're prohibited on athletic fields.
- He built the site using AI despite having no coding experience, then began putting up laminated signs citywide.
- He wants the city to step up enforcement by having park rangers more regularly patrol parks and other areas where dogs are required to be leashed.
- Leash rules help prevent dogs from running into traffic, approaching or attacking reactive dogs and people with phobias, interfering with service animals and being attacked by coyotes, he said.
Between the lines: A Nextdoor post from March about the tracker went viral, with some commenters thanking him for spotlighting what they see as irresponsible dog owner behavior.
Yes, but: Others argued community policing, "narcing behavior" and public shaming could inflame neighborly tensions more than improve safety.
- Comments like "Welcome to NarcDoor" and "What's the male version of a Karen?" underscore the backlash among people accusing Layne of embodying the very entitlement he's attempting to curb.
- The reaction has been swift enough to spawn a counter website encouraging the removal of his signs.
- Layne dismissed those criticisms as proof that dog owners don't like being confronted over behavior they've normalized: "These people get so upset about someone calling them out for breaking the rules."
Reality check: Layne acknowledges the tracker's data is self-reported and unverified. Still, users have reported more than 2,000 off-leash dogs across all parks since the project launched.
- SF Recreation & Parks did not respond to Axios' request for comment on whether the department views off-leash enforcement as a growing issue.
But city officials are also grappling with dog safety more broadly.
- At a May 21 City Hall hearing, SFPD officer Greg Sutherland said the department received 1,027 dog bite reports in 2025 and another 445 so far this year.
- Animal Care and Control executive director Virginia Donohue told supervisors that most incidents involve "a lack of control on the person's part."
- District 2 Supervisor Stephen Sherrill said dog bites have increased due to poorly socialized pandemic-era dogs and repeat offenders slipping through a stalled "dog court" system.
- "City officials must hold vicious and dangerous dogs and their owners accountable for this behavior," he told Axios.
What's next: San Francisco's "Vicious and Dangerous Dog" hearing process — which shut down last year amid staffing and funding issues — is being reinstated in July with a new hearing officer to address the growing backlog of 66 pending cases, Sherrill said.
- Layne called the move "a step back to the status quo," but not a solution to the underlying problem.
For now, he plans on putting up more signs. The feud continues.