Did you know that the best way to add value to your property is by adding either stone, block or brickwork to it? Yes, this is the easiest way to add value to a property. However, if the block wall repair is done by a layman, the value of your property false. To avoid this pitfall, why not hire the best in the industry? Hawk Block Masonry Gilbert. We are a team of skilled block wall contractors and block fence builder who have come together to ensure that every project we touch brings value to the landlord. We have specialized in working on different projects such as building and installing chimneys, fireplaces and retaining walls.