Underground 420 Festival
APRIL 19TH, 2026 | 4PM-12AM
DOWNTOWN LOS ANGELES
Underground 420 Festival was created to provide a unique and vibrant celebration of cannabis culture. Since its inception, the festival has become a cornerstone event for cannabis enthusiasts, attracting over 5,000 attendees across multiple years.
This year, we’re expecting even more attendees to join us, with the best brands from California cannabis market on display.
Past editions of Underground 420 Festival have featured underground headliners such as Skeme, Lil Duece, Compton AV, Pookie F’n Rude, Young Ceno, Pea McGee, Ladyyy, 2ToneTwinss and many more. With a mix of live music, art, and education, our event is a true celebration of LA’s rich cannabis culture.
Don’t miss out—grab your general admission tickets while they last, and get ready for an unforgettable experience at Underground 420 Festival! We can’t wait to see you there.
#LAOnLock & #TruePotheads Present:
🌿🔥 THE 6TH ANNUAL UNDERGROUND 420 FESTIVAL! 🔥🌿
LA… we’re lighting it up the right way 💨
Pull up for a full-scale underground experience with vibes, games, and non-stop energy all night long.
📅 Sunday, April 19th
⏰ 4PM – 12AM
📍 Downtown Los Angeles (Address will be revealed in your email after purchasing a ticket!)
🎟️ TICKETS
General Admission: $20 Pre-Sale | $30 at the Door
LINK IN OUR BIO!
🎤 Hosted by: @youknowfresh
🎧 Music by: @djlouib
🎮 Games Provided by: @_mr.brandnew
🤝 Sponsored by: @KingPalm
Featured Vendors: @trychilln @listenapparel @paigejulezartstudio @freshpizzaonwheels @lilyandsun333 @passout_la @thatdrawingshow & more!
Live Performances by: @otp.c4 @deuce.biggs @daim0ney @theofficialjay95 @spliffhemingway310 @mr.whitedogg @kingofturnuppookiefnrude @youngxsalsa @_thekennel__ @iveryyy @bluemelodiesss @whoisblu32 @itsthaguyz @indikasam @auxfile @thesleepovrnxtfriday & more!
📣 VENDORS & ARTISTS 📣
Want to be part of the festival?
📩 DM us for booking info or
📞 Call/Text: 213-842-9351
⚠️ IMPORTANT INFO ⚠️
❌ NO REFUNDS
🔞 18+ ONLY (Valid ID Required)
🔒 SECURITY WILL BE ENFORCED
👮♂️ Security by: @dragon_dgs_security
Music. Culture. Community.
If you know, you know 😎
🍃 Tap in • Pull up • Spread the word
#Underground420Festival #420LA
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Age Limit: This event is 18+
Ticket Policy:
-All sales are final - no refunds or exchanges
-All ticket holders must pass through security and are subject to bag inspection. Prohibited items will be confiscated by event staff.
-Only tickets purchased through Eventbrite & EventHi are valid. If you purchased from an unauthorized source and/or the ticket is counterfeit, you will not be allowed entry.
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Guests and their belongings are subject to search upon entry. You can help keep the lines moving quickly by leaving large bags at home.
NO backpacks, purses or bags are allowed to be brought into the venue, EXCEPT for the following:
Bags that are clear plastic, vinyl or PVC and do not exceed 12" x 6" x 12.”
One-gallon clear plastic freezer bags, i.e. Ziploc bag or something similar;
Small clutch bags, approximately the size of a hand (and that do not exceed 4.5" x 6.5”), with or without a handle or strap; and
Clear plastic Hydration packs (empty upon entry), i.e. clear plastic CamelBak bag or something similar.
For the avoidance of doubt, iridescent, color-tinted, and opalescent bags are NOT allowed; they must be clear.
BANNED
NO Aerosol Products/Aerosol Cans/Aerosol Sunblock
NO Air Horns or Noisemakers
NO Audio Recording Devices
NO AVPs or MODs or Liquid to Refill Cartridges
NO Bicycles, Skates, Scooters or Skateboards
NO Blankets (Small) & Beach Towels
NO Chairs or Coolers
NO Chains or Chain Wallets
NO Detachable Lens Cameras
NO Drones
NO Drugs or Drug Paraphernalia
NO Fireworks or Explosives
NO Flags
NO Flyers, Samples, Giveaways or Promotional Items
NO Glass or Metal Containers
NO Glow Sticks or LED Gloves
NO Hula Hoops
NO Hoverboards or Segways
NO Instruments
NO Laser Pointers
NO Mesh Bags
NO Metal, Steel or Aluminum water bottles
NO Misters
NO Outside Food or Beverages
NO Pepper Spray or Mace
NO Pets or Other Animals
NO Selfie Sticks, Tripods or Narcissists
NO Sharpies, Markers or Paint Pens
NO Stuffed Animals or Inflatables
NO Tarps
NO Totems
NO Umbrellas or Parasols
NO Video Cameras
NO Walkie Talkies
NO Weapons of Any Kind
ALLOWED
YES Baby Strollers
YES Binoculars
YES Cameras (Non-Pro)
YES Chapstick and Lip Balm (Sealed/Unopened)
YES Cigarettes and Lighters (1 Pack of Cigarettes per Guest)
YES E-Cigs and Vape Pens
YES Ear Plugs
YES Eye Drops (Sealed/Unopened)
YES Feminine Hygiene Item (Sealed/Unopened)
YES GoPros & Flip Cams
YES Hand Sanitizer and Baby Wipes
YES Hats
YES Makeup
YES Medication (Over-the-counter Sealed/Unopened, Rx Must have label w/ matching ID and all same pills – no mixing)
YES Mobile Phones and Chargers
YES Poncho & Rain Jackets
YES Service Animals
YES Sunblock (Non-Aerosol)
YES Sunglasses
YES Water Bottles (Empty, Plastic, Reusable, non-metal, 32 oz, 1 per guest)
*** “Comfort,”“therapy” or “emotional support” animals do not meet the definition of a"Service Animal" and are not permitted entry to the Event; For the Avoidance of Doubt, NO other Animals are Permitted.
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Safety at The Underground 420 Fest
We want every fan to feel safe at the festival. Specific questions regarding safety, security, medical, and any others can be directed to laonlockofficial@gmail.com. If you have an immediate need while on-site seek out any festival staffer, police, fire, or security personnel.
COVID-19 Warning
We have taken enhanced health and safety measures for you, our artists and employees. You must follow all posted instructions while attending The Underground 420 Fest.
An inherent risk of exposure to COVID-19 exists in any public space where people are present. COVID-19 is an extremely contagious disease that can lead to severe illness and death. According to the Centers For Disease Control and Prevention, senior citizens and guests with underlying medical conditions are especially vulnerable.
By attending The Underground 420 Fest, you voluntarily assume all risks related to exposure to COVID-19.
Help keep each other healthy.
Security Screening & Entry
For the safety of everyone entering the festival, all patrons are subject to a full and complete search prior to entry. By purchasing a ticket, you agree to submit to a full body pat-down and magnetometer screening before entry. If you would like to be screened by security personnel of your same gender, please let security personnel know prior to the search process. Screening of children will always take place with the consent of a parent or guardian. Persons that refuse to comply with the search policy will be refused entry into the event.
IF YOU SEE SOMETHING, SAY SOMETHING
Your safety is our #1 priority. Please help by reporting any suspicious activity to security, police or any festival team member.
Our Sponsors:
FEATURED IN
CONTACT US
General Info/Inquiries: Email us at laonlockofficial@gmail.com
Vendors: Underground 420 Fest 2026 Vendor Application
Press: Email us at laonlockofficial@gmail.com
Sponsorships: If your interested in sponsoring this event, please contact laonlockofficial@gmail.com.
CLICK HERE TO VIEW SPONSORSHIP DECK
“Enjoy cannabis product giveaways, live music, games, celebrity appearances, and food vendors in the heart of Downtown Los Angeles (DTLA).
Neo-soul hip-hop artist Fitty The Ceaser, jazz artist Eve Minor, and rapper Blue Melodies will take the stage during the Underground 420 Fest, while MC F.R.E.$.H. and self-proclaimed “Vibe King” DJ Shots will hold down the turntables between the live music acts.
A hidden underground area will allow at least eight hours of indoor smoking, creating a stoner’s paradise indoors. Registered vendors for the event include weed-infused baker Puff Puff Pastries and cannabis cocktail maker Fox on Darox, plus over a dozen others. The event will stream the much-anticipated boxing match between Devin Haney and Ryan Garcia on a giant screen.”
“In the mood for a concert? This 4/20-friendly special event will feature some top names in the LA music scene and plenty of cannabis culture.
Underground 420 Fest features Skeme, Lil Deuce, They Call Me PYT, and more. In addition to the music arts, you’ll also find exclusive vendors, great food, games, special guest appearances, giveaways, and more.”
“LA On Lock is hosting an Underground 420 fest at The Boiler Room in Inglewood! this event will be full of food, music, giveaways and live performances from some special guests. ”
