J & J Masonry. J& J Masonry has been in service for over 20 years in the city of Las Vegas! He provides services to Henderson, Summerlin, North Las Vegas and Boulder City as well. We provide a complete line of masonry work for both residential and commercial needs. We specialize in: Retaining Walls Block Walls Brick and Stone Repair We provide free estimates for all our work. We are reliable, professional and knowledgeable. We will be more than happy to answer any questions you may have. If you are looking for quality work at a very competitive price, give us a call today!