Sorrento Valley Fire Prompts Evacuations Near Interstate 15 in San Diego County

Key Takeaways

• A brush fire erupted Sunday afternoon in the Penasquitos Creek area east of Interstate 15 in Sorrento Valley.
• Times of San Diego reported 20-25 acres within 90 minutes; KGTV later reported the fire had grown to 130 acres.
• Cal Fire reported the fire had charred more than 70 acres by 4 p.m.
• Evacuation orders were issued for Zone SDC-1444 and warnings for eight nearby zones.
• A temporary evacuation point opened at Mandell Weiss Eastgate Park, 4161 Eastgate Mall.
• The cause is under investigation.
• A suspect, 30-year-old Brandon Glasgo, was arrested on suspicion of arson; he is scheduled to be arraigned Wednesday.
• The fire was the second major blaze in the area in two months, following a June 8 fire that burned 90 acres and forced 2,200 homes and businesses to evacuate; several evacuation warnings were lifted by Sunday night.
• The fire was 25% contained by Sunday night, with all evacuation warnings lifted; Zone SDC-1444 was split into Zone SDC-1444-A, which remained under an evacuation order, and Zone SDC-1444-B, where the order was lifted.

Rapid Response in Sorrento Valley

The fire started Sunday afternoon in the Los Peñasquitos Canyon Preserve, within the Penasquitos Creek area east of I-15, and was spreading eastward. Initial reports placed the start at around 1:30 p.m., but the San Diego Fire-Rescue Department later pinpointed the ignition at 3:15 p.m. Crews staged at Sorrento Valley Boulevard and Vista Sorrento Parkway. Air tankers and helicopters launched an immediate attack as smoke funneled through a canyon lined with homes.

According to the San Diego Fire-Rescue Department, the blaze burned slowly through medium fuel, but crews prepared for structure protection. Within an hour, four fire engines, seven brush rigs, two helicopters, and multiple command units were on scene. Two Cal Fire bulldozers were requested when the fire reached the creek bed, and two hand crews were also sent.

Additional air resources were requested within 40 minutes of the fire sparking, and fixed-wing aircraft from Cal Fire began responding five minutes later. Fire officials also noted that the initial response included four operation support vehicles and four battalion chiefs, adding to the engine and brush rig numbers already reported.

San Diego Fire-Rescue spokesperson Candace Hadley confirmed the slow eastward spread and said crews faced some access issues because of the fire's location. Cal Fire reported at least 10 aircraft assigned to the blaze, including six helicopters and three air tankers. One tanker can drop 4,000 gallons of fire retardant at a time, and one helicopter can drop 1,000 gallons of water. One of the helicopters was from San Diego Gas & Electric. Officials prohibited drone usage over the fire area. Cal Fire's newest firefighting weapon, the C-130, could also be seen making water drops during the peak of the fire.

Deputy Chief Dan Eddy of the San Diego Fire-Rescue Department said crews initially faced difficult access because the fire was burning along a hiking trail. "It's not somewhere you can ride your car into," Eddy said. "Remember this is a hiking trail, so we had hard access getting our ground units in there. The aircraft were huge for us today in stopping the forward rate of spread." Eddy added that washouts from a previous fire also made it difficult for ground crews to reach the area, making aircraft critical to the initial attack. Five fixed-wing aircraft were working the fire, with helicopters operating out of Hemet and Ramona. Aircraft were picking up water from a nearby golf course, with a turnaround time of less than three minutes to return to the canyon and make another drop.

Evacuation Orders and Warnings

At about 3:30 p.m., authorities ordered evacuations for areas closest to the flames. The Genasys evacuation map shows an evacuation order for Zone SDC-1444, covering an area north of Calle Cristobol and Sorrento Valley Boulevard in the preserve. Evacuation warnings were issued for Zones SDC-1443, SDC-1492, SDC-1494, SDC-1399, SDC-1400, SDC-1401, SDC-1442, and SDC-1446. These warnings included homes and businesses south of Carmel Mountain Road, east of Interstate 805, and south of Sorrento Valley Boulevard.

Residents were directed to Mandell Weiss Eastgate Park at 4161 Eastgate Mall, which is serving as the temporary evacuation point.

Evacuation warnings were put in place for both the north side of the canyon and the south side, where residents watched the flames spread faster and faster. Several evacuation warnings were lifted by Sunday night.

Just before 7:30 p.m. Sunday night, all evacuation warnings were lifted. According to the Genasys Evacuation Map, Zone SDC-1444 was split into two zones: SDC-1444-A remains under an evacuation order, while the evacuation order was lifted for SDC-1444-B. The evacuation order for Zone SDC-1444-A remained in effect Monday morning.

Conflicting Size Reports

Times of San Diego reported the fire grew to 20-25 acres within 90 minutes. KGTV's Watch Duty data showed the Sorrento Fire burning 130 acres at a moderate rate of spread between Sorrento Valley Boulevard and Carmel Mountain Road. KGTV also reported that the fire was threatening nearby structures. Cal Fire reported the blaze had grown to more than 70 acres by 4 p.m. The discrepancy is likely due to fast-changing conditions and updated mapping.

Later updates from Noticias California 24/7 said the fire was at 131 acres with 0% containment. By then, 54 units and 160 fire personnel were engaged in fire suppression operations.

Fire crews moved quickly to match the fast-moving flames and eventually stopped the fire at approximately 130 acres.

Just before 5:45 p.m. Sunday, the San Diego Fire-Rescue Department announced online that while the fire had burned 131 acres, it was 15 percent contained, marking early progress compared to an hour earlier. "Crews are making really good progress," a department spokesperson told Times of San Diego on Sunday evening. By 6:45 p.m. Sunday, crews had stopped the fire's forward spread. The San Diego Fire-Rescue Department later said the fire was stopped just before 7 p.m. By about 8:30 p.m., fire officials said the blaze was 25% contained. On Monday morning, officials confirmed the fire had grown to 131 acres with 25% containment. All air-fighting teams were released Sunday evening. Firefighters worked through the night to clear containment lines and watch for hot spots.

Local Context in San Diego County

Sorrento Valley sits in a heavily used corridor near tech offices and residential neighborhoods. Brush fires here can spread quickly through canyon vegetation, especially during hot, dry weather. The San Diego Police Department closed streets for traffic control, including 10800 Vista Sorrento Parkway and the corner of Sorrento Valley Boulevard and Jasmine Crest Lane. SDPD said in a post to X that traffic will resume gradually as fire personnel leave. A Type 3 Strike Team was dispatched to support ground crews. The fire was burning in an area that had burned in June, which officials referred to as the 'old Sorrento burn area.'

Additional road closures included northbound lanes on Sorrento Valley and Vista Sorrento Parkway, and westbound 1081 Vista Sorrento Pkwy.

The fire forced thousands of residents to evacuate for the second time this year. The latest fire came just two months after a June 8 blaze burned 90 acres near Vista Sorrento Parkway and Sorrento Valley Boulevard, when 2,200 homes and businesses were ordered to evacuate. For many families, the Sunday fire brought an unsettling sense of déjà vu. "You know, this is the 2nd time in what, 2 months, and so we're a little bit concerned about that," said Cameron Schmid, who was with his wife and child. Schmid had evacuated with his family during the earlier fire and was back in the same position Sunday. "Well, 2 months ago I feel like it was a little more scary because I feel like it got out of control a little faster and so it was just, you know, like, and there was an evacuation order, so that was a little more scary. I had to come home, pick up my wife and kid, and get them out of there," Schmid said. As the fire grew Sunday, residents watched large aircraft make passes over the valley and their neighborhood. "We've seen all the big planes coming over the valley and coming over our neighborhood, so hopefully they nip this in the bud really quick," said Schmid. "You know our houses depend on it. You know we can't live here unless we have safety, and I think that they're doing a good job," he added.

Background

San Diego County has a long history of wildfire risk, particularly in canyons and rural communities. Fuel management and quick aerial response have become standard tools to limit fire spread near populated areas.

Conclusion

Crews remain on scene and the cause has not been determined. Residents in affected zones should monitor official evacuation status and avoid the area until further notice.

San Diego police confirmed Monday morning that a suspect was arrested in connection with the fire. The suspect, 30-year-old Brandon Glasgo, was taken into custody on suspicion of arson and is scheduled to be arraigned Wednesday. No other details were released.

Firefighters will continue working overnight to slow the fire, contain hot spots, and prevent it from jumping nearby roads.