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Entertainment commission lowers Halcyon's after-hours sound limit, removes some prior conditions after mediation
Summary
After months of mediation with neighbors and new acoustic testing, the commission set Halcyon's internal sound limit at 116 dBC for regular operations and 112 dBC for extended-hours (4–6 a.m.), struck redundant reporting conditions and postponed a mandatory limiter, and required a posted calendar of events.
The San Francisco Entertainment Commission on April 2 revised conditions on Halcyon's permits following new acoustic testing and a sustained mediation process with neighbors.
Staff said ambient readings gathered with consultants JPM Acoustics support lowering the venue's internal sound limit for extended hours. Director Weiland told commissioners the office's revised recommendation was to maintain a 116 dBC limit for the Place of Entertainment permit and to reduce the extended-hours internal limit to 112 dBC between 4 a.m. and 6 a.m. "We found that there was a difference between the levels," Director Weiland said, describing measurements taken before and after business hours.
Why it matters: Neighbors had repeatedly complained that Halcyon's late-night operations leaked excessive sound into adjacent residential units and that previous conditions were either unenforceable or duplicative. The new limits respond to measured ambient noise during periods when most other clubs are not operating and aim to balance operations with neighbor protections.
What the commission decided: After hearing from the permit holder, neighbors and police, the commission voted to adopt staff's recommendations: keep the 116 dBC internal limit for the Place of Entertainment permit, change the extended-hours (4—6 a.m.) internal limit to 112 dBC, and strike three prior conditions that staff described as redundant (a nightly decibel log, a poorly scoped sound-study directive, and the requirement for a sound limiter). Commissioners added a requirement that Halcyon post and maintain a calendar of all entertainment dates so neighbors are informed prior to events.
Neighbors and permit holder response: Miss Milano, the permit holder, told the panel she has engaged JPM Acoustics to test neighborhood points and said her team will "lower the internal sound to 112 dB anytime operations run past 4AM" and will provide monthly or start-of-month calendars to neighbors. A neighborhood representative said a hotel-room offer Halcyon made after a dispute was accepted and that the parties have resumed productive communication.
Police caution: Sergeant Bill Toomey of SFPD Central Station said the department has seen a reduction in calls for service related to Halcyon but warned that recent wet weather may be masking the effect of larger crowds in summer. He urged continued monitoring, saying restrictions could be reconsidered if outcomes change once festival season and better weather increase crowds.
What happens next: The commission retained authority to revisit the decision and said that if violations recur the panel could require additional remedies, including a sound limiter or other enforcement measures. Staff will accept the consultant's full written recommendations when provided and may bring further implementation items back to the commission.
