The trowel protector accessory is configured for use with a trowel. The trowel protector accessory is a guard that attaches to the trowel. The trowel protector accessory encloses a plurality of lateral faces of the trowel. The trowel protector accessory prevents the edges of the trowel from causing inadvertent damage. The trowel is stored within the trowel protector accessory. The trowel is removed from the trowel when the trowel is in use. The trowel protector accessory comprises the trowel and the edge guard. The edge guard encloses the plurality of lateral faces of the trowel when the trowel is stored.