Tuesday, 28 July 2026, 9:57
A massive three-alarm fire gutted and destroyed a vacant two-story office building in the Serra Mesa neighborhood of San Diego early Sunday morning, July 5, 2026. The blaze required a massive response from San Diego Fire-Rescue and left the structure a total loss.
San Diego Fire-Rescue Department crews arrived at the Guild office building at 9160 Gramercy Drive shortly after midnight to find the building fully engulfed in flames. According to department spokeswoman Candace Hadley, the fire was upgraded to a second alarm at 12:12 a.m. and a third alarm at 12:39 a.m. as the intensity grew. Firefighters arrived about six minutes after the initial call and saw flames shooting through the roof.
“After assessing conditions and given the instability of the fully involved structure, crews switched to fighting the fire defensively from the exterior using ladder pipes from above at the front and right side of the building,” Hadley said. The decision to move from an offensive to a defensive stance was critical for firefighter safety as the building began collapsing.
About 100 firefighters responded to the scene. Crews focused on keeping the flames from spreading to adjacent structures, directing water streams from ladder trucks onto the fire. Multiple collapses within the building forced a “strategic tactical pause” before firefighters resumed operations, achieving knockdown just before sunrise, shortly after 5 a.m.
Mop-up operations continued for hours, with crews searching for hot spots until after 11:20 a.m. Some firefighters remained on site into the afternoon as a precaution. The scene was still being monitored as a precaution as of late afternoon Sunday. No injuries were reported.
The incident occurred in the Serra Mesa neighborhood of San Diego, California. The building, known as the Guild, is located at Gramercy Drive near Ruffin Road, a commercial area. San Diego police provided traffic control but did not order evacuations as the building was vacant and isolated.
The area has seen periodic issues with homeless encampments, and social media comments noted the building had been vacant for several years and was occasionally used by homeless individuals. The cause of the fire is under investigation, and a damage estimate has not been released, though the structure was described as “fully damaged.”
Vacant commercial buildings in urban areas like San Diego often pose fire risks due to neglect, lack of maintenance, and potential unauthorized occupancy. This incident is part of a broader pattern of fires in abandoned structures across California, which can be exacerbated by dry conditions and the presence of combustible materials. Fire officials said crews were familiar with the vacant office building from previous responses.
The three-alarm fire in Serra Mesa serves as a stark reminder of the dangers posed by abandoned buildings and the challenges firefighters face when structural integrity is compromised. With no injuries and the fire contained, the focus now shifts to determining the cause and assessing the full extent of the damage.
