Straight answer: a true vandalism warranty is not a standard thing for most street benches, but that doesn't mean you're completely out of luck. Standard warranties for commercial outdoor benches usually cover manufacturing defects—like faulty welds, frame cracks, peeling powder coating, or rust-through under normal conditions. Intentional damage such as graffiti, cutting, burning, or smashed slats is typically excluded because it's caused by deliberate misuse, not a product failure.
That said, some manufacturers and suppliers do offer optional protection programs or long-term maintenance contracts that include repairs for vandalism. These are more common for large municipal or transit projects where the buyer negotiates a service-level agreement. You can also choose benches designed with anti-vandal features—tamper-resistant bolts, heavy-gauge steel, high-density polyethylene slats, and powder-coated finishes—which reduce the likelihood and cost of damage.
So if you're buying a few benches for a park or streetscape, read the warranty sheet carefully. Ask the supplier directly: "Is intentional damage covered, and can I add a maintenance plan?" Most will tell you no for standard vandalism, but yes for manufacturing issues. In practical terms, the best "vandalism warranty" is choosing tough materials and securing a local repair arrangement.