1429 Boulder Boulevard is a truly unique offering that presents tenants with energy-efficient production and warehousing space near Downtown Saint Louis. Rock City is a repurposed former Limestone mine built into the Mississippi bluff with level floors and entrances that overlook farm fields 100 feet below. Businesses have access to space ranging from 20,000 to 4,000,000 square feet featuring production areas, clean room production, a series of loading docks, quality office finishes, and indoor parking. These features and the property's strategic location make the site perfect for warehousing, manufacturing, food processing, freezer and refrigeration, data storage, IT solutions, and more. The facility is 40% more energy-efficient than above-ground facilities and benefits from soaring 25’ to 40’ ceilings, 50’ to 60’ column spacing, all while being earthquake, EMP, and weatherproof. The site also features a 1500 KVa transformer, 70 MW potential dual fiber feeds, 10 Gps potential low water cost, and huge water capacity. The property benefits from underground advantages, such as constant 58-degree ambient temperatures and low humidity, a 100,000,000-gallon in-cave lake, and an underground aquifer. Not to mention the location’s proximity to power plants with capacity as well as major transmission lines. Businesses will also find that the site is conveniently located a 36-minute drive to Downtown Saint Louis and can reach Indianapolis, Kansas City, and Louisville in a four-hour drive and Chicago in five hours. 1429 Boulder Boulevard is a unique property offering significant benefits in reach of major metros.