Golden Retrofit & Foundation Repair is a Van Nuys, California contractor serving the Los Angeles area. Its site shows a verified California contractor license and highlights earthquake retrofit work.
Services listed include earthquake retrofit, foundation repair, foundation replacement, foundation leveling, slab replacement, pier and post support systems and crawl space repair. The site has area pages for Torrance, Northridge, Azusa, Long Beach, Pasadena and Glendale. The pages reviewed do not mention helical piles or piers, so any helical work would need to be confirmed with the company.
Call +1 800-217-2458 or request a free consultation on the site. If a deep pier is proposed, ask which type, how depth and capacity are verified, whether an engineer is involved, and who handles permits with your city. Ask for the CSLB license number and confirm it is active before signing a contract.