Collision Repair & Auto Body in Morris County, NJ
1st Effect Auto is a Morris County collision repair facility located on US-46 in Rockaway — central to the whole county and a quick drive from Parsippany, Morristown, Denville, Mountain Lakes, Randolph, and Boonton. We handle full structural and cosmetic collision repair, work directly with every major insurance carrier, and back every job with a lifetime workmanship warranty.
Last updated May 27, 2026
Why Morris County drivers come to us
Morris County is a mix of long commutes on I-80, I-287, and Route 46 — and the fender benders, deer strikes, and weather damage that come with them. We've been repairing those vehicles for years from one of the most accessible body shops in the county. Tow direct to 325 US-46, Rockaway, NJ from anywhere in the county, or drive in once your car is movable.
What we repair
- Front and rear collision damage, bumpers, fenders, hoods, quarter panels.
- Structural and frame work with proper measurement.
- OEM paint refinishing — single-stage, base/clear, tri-stage, and metallic.
- ADAS sensor recalibration after panel and windshield work.
- Specialty work on Porsche, BMW, Mercedes-Benz, Audi, Ferrari, Lamborghini, Range Rover, Rivian, and Tesla.
Insurance — we handle every carrier
Morris County residents are insured with everyone from NJM, GEICO, State Farm, Progressive, Allstate, Liberty Mutual, Travelers, USAA, Nationwide, Farmers, and every major NJ carrier. We bill direct with all of them. You also have the legal right to choose your own shop in New Jersey — your carrier can recommend a network shop but cannot require it.
Free estimates, same week
Drive in or have the vehicle towed to 325 US-46, Rockaway, NJ 07866. No appointment needed for estimates. Call (973) 406-6363 with your claim number ready.
Helpful next steps
Get a free estimate today
325 US-46, Rockaway, NJ 07866 · Mon–Sat 8am–5pm · Sun 8am–12pm