Services
Auto Body & Truck Accessories for Carson Drivers
Collision repair, spray-in bedliners, tonneau covers, running boards — every service backed by a lifetime warranty. Carson fleet customers welcome.
Collision Repair
I-CAR certified repair using factory-quality materials and computer color matching. We work with all insurance companies serving Carson — personal and fleet accounts.
DRP Shop — Fleet WelcomeSpray-In Bedliners
Rhino Liner certified spray-in bedliner installation for all trucks. A permanent, non-slip surface that won't crack or fade — completed same-day with a lifetime warranty.
Lifetime WarrantyTonneau Covers
BakFlip MX4, BakFlip Revolver X4, and other leading brands for all truck makes including F-150, Silverado, Ram, Tacoma, Tundra, and Sierra.
All Makes & ModelsRunning Boards & Side Steps
Fixed steps, nerf bars, and power/electric retractable running boards for trucks and SUVs — standard and lifted vehicles.
Electric Steps AvailableAuto Paint
Computer color matching and premium materials for a factory-perfect finish. You won't be able to tell it was repaired.
Computer Color MatchWhy 3J's
Carson Drivers Deserve the Best — That's What We Deliver
Every credential. Every certification. Every job backed for life.
I-CAR Gold Class
Highest training certification in collision repair — our techs stay current on every vehicle technology and repair method.
ASE Certified
All technicians certified by ASE — the automotive industry's gold standard for proven competence.
Lifetime Warranty
Every repair, every bedliner, every install — backed by our lifetime warranty. No exceptions.
Fleet & Commercial
We work with fleet insurance companies and handle commercial vehicle repairs efficiently so your fleet stays on the road.
Getting Here from Carson
12 Minutes Door to Door
Signal Hill is a quick straight shot from Carson via the 405 or surface streets.
3J's Auto Body & Paint
Address: 1855 E 29th St, Signal Hill, CA 90755
From Carson (near 405/110 interchange): Take the 405 North to the Long Beach Blvd exit, head south on Long Beach Blvd to E 29th St. About 12 minutes.
From Carson Street / Dominguez Hills: Head east on Carson St to Long Beach Blvd, then north about 1.5 miles to E 29th St.
Hours: Monday – Friday, 8:00 AM to 5:00 PM
Get DirectionsQuestions from Carson Customers
Common Questions — Answered Straight
Absolutely. From most of Carson you're looking at a straight 10–12 minute drive via the 405 or Carson St. We're at 1855 E 29th St in Signal Hill — just north of Long Beach. Many Carson customers choose us specifically because of our I-CAR Gold Class certification and lifetime warranty, which most shops in the area can't offer.
📍 ~12 Minutes AwayYes. 3J's Auto Body works with fleet insurance companies and handles commercial vehicle repairs. Whether it's a single work truck or a full fleet, we handle your repairs efficiently and communicate directly with your fleet insurance carrier. Contact us to set up a fleet account.
🚛 Fleet Vehicles WelcomeYes. We're a certified Rhino Liner installer — one of the only officially certified shops serving the Carson / South Bay area. Most installations are completed same-day. Lifetime warranty included.
✅ Rhino Liner CertifiedWalk-ins are always welcome for estimates. Monday through Friday, 8AM to 5PM. For guaranteed same-day attention, call ahead: 562-424-6744.
🚶 Walk-Ins Welcome