Honestly, it depends on the surface and how long the tag has been there. If it’s public furniture—a bench, bus shelter, planter, or trash can—start by reporting it to your city, parks department, or property manager. They often have a graffiti removal crew and the right chemicals, and you won’t accidentally damage city property.
If it’s yours to clean, wear nitrile gloves, eye protection, and a mask, and work outside or in a ventilated area. Test any product on a hidden spot first. Start with the gentlest method: warm water, dish soap, and a nylon brush or microfiber cloth. Fresh marker or water-based paint often comes off with that alone. For marker stains, rubbing alcohol or hand sanitizer can work well on metal and sealed plastic; test first.
For spray-paint tags, use a commercial graffiti remover. Gel removers are great for vertical surfaces because they cling instead of running. Apply, let it dwell as directed, agitate with a plastic brush, then wipe and rinse. For tough spots on bare metal, acetone or lacquer thinner may work, but never use those on plastic, painted wood, or powder-coated finishes without testing—they can melt or dull the surface. Citrus-based removers are slower but safer for many surfaces.
Pressure washing can help on concrete, stone, and sturdy metal. Use a wide nozzle, keep it 8–12 inches away, and keep the wand moving. Too much pressure will etch concrete, strip paint, gouge wood, or crack plastic. For wood, avoid soaking it; use a gel remover, scrape with a plastic scraper, then lightly sand and reseal. For powder-coated metal, stick to non-abrasive pads and mild solvents.
Once it’s clean, rinse well and dry. Try to capture runoff, and don’t let strong solvents run into storm drains. If tagging happens often, add an anti-graffiti coating or sacrificial wax so future paint releases more easily. And if the tag is gang-related or threatening, report it to the police non-emergency line rather than confronting anyone. The golden rule: start mild, test first, and match the method to the material.