June 12, 2025 Your Source for Brentwood News

Mandeville Canyon’s Poor Cell Service

Lack of cell service in Mandeville Canyon has many residents worried about communicating during an emergency situation. Photo: Wikimedia Commons.

Addressing safety risks of dead zones in Westside Canyons.

By Keldine Hull

While a hike through the Santa Monica Mountains is an ideal opportunity to unplug and take a break from technology, lack of cell service throughout different communities in or near the mountains poses a safety risk. An ability to contact emergency services or to be alerted in the case of an emergency can have devastating effects, especially in areas more susceptible to wildfires.

During a Brentwood Community Council meeting on February 13, Daniel Branscome, Treasurer of the Mandeville Canyon Association addressed the lack of cell service in Mandeville Canyon and other Westside canyons.

“On the morning of December 6, a fire started in the Sepulveda Pass on the east side of the 405 and over a very short amount of time, spread and was almost 400 acres. A little over four years ago, a fire in almost the same area started a little further, closer to Mulholland and Sepulveda, and spread all the way to Malibu.” Branscome said, “This is something that’s really concerning for people on the Westside of LA. That is where these fires historically have started and because of winds, have spread to the ocean. Early morning on the 6th [of November], I got a text from one of my neighbors, ‘Did you get the alert?’ I said, ‘What alert?’ The city had used the amber alert system in our community, but because of cell phone service, I didn’t get the alert. On the 7th [of November], there was a structure fire on Mandeville Canyon Road. At 10 p.m., I’m standing on my front lawn looking at flames coming up from a house just below us on Mandeville Canyon Road. What I found out the day after that fire is that the person who saw the fire was driving out of the canyon. They saw flames, but they didn’t have cell phone signal. They had to drive all the way out to Sunset to place the 9-1-1 call to report the fire. We need to do something about cell access in West LA.”

Branscome explains that due to the unique geography of the Santa Monica Mountains, signal service is much worse than how it appears on a coverage map, an issue that affects thousands of residents in the area.

“Anyone who has ever driven up these canyon roads knows that you’re very likely to lose signal once you leave Sunset. You may reacquire signal once you get to your house, if you live up on a ridge line or if you get to your house and you have WiFi assist to provide signal. Most likely you’re in a situation where you’re going to have gaps in coverage. If you look at any of the cell provider maps of where they provide coverage, they all claim that all of this area has at least some coverage, and it’s just not true.”

While a tower may be present in any given area, obstruction between the tower and a device will result in a loss of coverage. Weather also plays a factor; the marine layer and cloudy conditions along the Westside also have an impact on coverage.

With advancements in technology, there are possible solutions and steps that residents can take to improve service in areas with weakened reception. According to Branscome, one solution is to reach out to carriers and encourage them to build additional cell towers within the boundaries of the Brentwood and Pacific Palisades hillside neighborhoods. In addition, AT&T’s Mark the Spot mobile app allows users to report dropped calls and other network issues. AT&T uses the feedback to better target network optimization and address issues that are concentrated in specific areas.

A second solution is to request that city planners install Philips’ SmartPoles, in collaboration with Ericsson, that help to boost broadband coverage throughout the city. According to Ericsson’s website.

“Los Angeles is the world’s first city to deploy Philips’ SmartPole street lighting with fully built-in 4G LTE wireless technology from Ericsson. The collaboration between Philips and Ericsson delivers on the latest Internet of Things (IoT) innovation and provides a double benefit to LA citizens: high quality, public lighting that is energy efficient, as well as improved network performance in dense urban areas.”

Related Posts

Local Representatives Jaqui Irwin, Brian Allen, and Horvath to Host Wildfire Preparedness Webinar

June 11, 2025

June 11, 2025

Virtual Wildfire Forum to Cover Readiness, Insurance, Public Safety Q&A Assemblymember Jacqui Irwin, State Senator Ben Allen, and Los Angeles...

Judge Denies Newsom’s Bid to Halt Military Expansion in L.A. Amid Immigration Raids

June 11, 2025

June 11, 2025

California’s Emergency TRO Blocked as Marines Await Domestic Use-of-Force Training  Efforts by California Gov. Gavin Newsom and Attorney General Rob...

The VA Enlists Federal HR Agency to Oversee Massive Layoff Planning

June 11, 2025

June 11, 2025

Agreement With OPM Follows Proposed Cuts to More Than 80,000 Jobs The U.S. Office of Personnel Management (OPM) has been...

Santa Monica ‘Pier 360’ Beach Festival Returns June 28–29 with Two Days of Surf, Sports, and SoCal Vibes

June 10, 2025

June 10, 2025

Free All-Ages Event Features Ocean Races, Skate Competitions, Roller Rink, Beer Garden, Live Music, Kids Activities, And More The Santa...

Brentwood Crime Reports Paused as Senior Lead Officer Assigned to Downtown Protests

June 10, 2025

June 10, 2025

SLO Kirk Temporarily Reassigned; Weekly Crime Updates on Hold Until Further Notice Senior Lead Officer of Brentwood, Matthew Kirk, who...

LGBTQ Icon Mariah Hanson Says Goodbye to The Dinah After 34 Legendary Years

June 10, 2025

June 10, 2025

The Dinah’s Founder Mariah Hanson Takes Final Bow This Fall Mariah Hanson, the pioneering force behind The Dinah, the world’s...

LAUSD Superintendent Condemns Immigration Activity Near Schools, Pledges Safety Measures

June 10, 2025

June 10, 2025

Carvalho Announces Increased Security at Graduations, Online Summer Options Los Angeles Unified School District Superintendent Alberto M. Carvalho voiced strong...

ICE Detentions Confirmed in Culver City and Westchester Car Washes Amid Federal Raids

June 10, 2025

June 10, 2025

Families Say Loved Ones Taken Without Warning; Viral Video Shows Teen Screaming  While the focus has been on cities such...

Jason Momoa to Perform and Bartend at The Bungalow Santa Monica’s Night Market

June 9, 2025

June 9, 2025

Minecraft Star Returns to the Bungalow With Live Music, and Top L.A… Food Vendors Actor Jason Momoa will make his...

Newsom Sues Trump Over ‘Illegal’ Seizure of California National Guard

June 9, 2025

June 9, 2025

Lawsuit Accuses Trump of Power Grab as Trump Authorizes More Troops California Gov. Gavin Newsom and Attorney General Rob Bonta...

Getty to Host Free Clinic for Fire Survivors Seeking to Restore Damaged Heirlooms

June 9, 2025

June 9, 2025

Conservation Experts Will Offer Assessments, Cleaning, and Preservation Help In response to the devastating January 2025 wildfires, a coalition of...

James Beard Winner Sean Brock to Debut First L.A. Restaurant in West Hollywood This Summer

June 9, 2025

June 9, 2025

Acclaimed Southern Chef Brings Live-Fire Cooking and Appalachian Flavors to Restaurant Darling Acclaimed Southern chef Sean Brock will open his...

Los Angeles Targeted as Trump Deploys Troops, Launches Sweeping ICE Raids

June 9, 2025

June 9, 2025

Outrage in L.A. as Trump Bypasses State to Send Troops, Escalates Crackdown After a weekend filled with tear gas, rubber...

Egg Recall Expands as Salmonella Outbreak Sickens Dozens, Hospitalizes 21

June 9, 2025

June 9, 2025

Recalled Eggs Linked to Multistate Outbreak Causing 79 Illnesses August Egg Company has issued a recall for 1.7 million dozen...

Eight-Story Affordable Housing Project Planned for West Los Angeles

June 8, 2025

June 8, 2025

279 Income-Restricted Unit Building Proposed in Council District 5 Plans have been filed to replace a vacant commercial structure on...