Seattle firefighters rushed to 400 9th Ave N in South Lake Union on Friday evening after reports of smoke in the building’s parking garage and other parts of the complex. Crews began setting up ventilation and worked to shut off access to a mechanical room while they investigated the source. A specialized ventilation unit was brought in to help clear smoke from the enclosed areas.
What crews reported
According to the Seattle Fire Department, crews reported smoke in the parking garage and in portions of the building and said they were working on ventilation while a Mobile Ventilation Unit responded to assist. In replies to that post, the department said crews were shutting off access to the generator room and that the source of the smoke appeared to be in that room. They also noted they had not observed signs of an active fire during initial checks.
Building and response context
The address at 400 9th Ave N sits in South Lake Union and is listed as part of the Amazon Phases 7 & 8 office complex, per Vulcan Real Estate. The Mobile Ventilation Unit is a specialized asset used to clear smoke from tunnels and large structures, and it is listed among firefighting apparatus in the City of Seattle’s emergency plan, which catalogs the department’s specialized equipment.
What residents should know
The Seattle Fire Department’s initial post did not include information about injuries or evacuations, and the department has not released a final cause beyond the mention of the generator room. Nearby workers and residents may notice residual smoke while crews ventilate. Monitor updates from the Seattle Fire Department and from building management for any changes to access or safety advisories.
