"No Trespassing" signs can be bought in traditional stores like Home Depot and Wal-Mart, or customers can order them from online suppliers like SafetySign.com. These signs can be found in various colors, styles and can have multiple wording options. Some signs that can be found for sale simply say "no trespassing," while others have additional information, like private property or surveillance warnings.
The prices of the available signs varies depending on the size of the sign, the colors and material. Some signs are sold in cases or multi-packs, along with the option to buy individual signs. The best material for the sign depends on the location and environmental conditions where it is placed. Metal "no trespassing" signs generally last longer when exposed to the elements, but they may be prone to rust after a while. Plastic will not rust, but it may be more prone to break in high-wind areas or in places where it may get hit or bumped often.
Some signs are available in more than one language. The most common bilingual signs have both English and Spanish on them. Signs with other languages may have to be special ordered, depending on the retailer's selection.