John L. Lineweaver, Trustee of The Lineweaver Trusts, is a 48-year veteran of the real estate industry, having obtained his California Real Estate License in 1969. After working as a loan officer in the construction lending department of a major national bank, he formed Bay Cities Realty in 1972, and was involved in traditional commercial and multi-family brokerage transactions over the ensuing 2 years. In 1974, Mr. Lineweaver formed Diablo Holdings, Ltd., and changed his focus from brokerage to development, specifically to the purchase and renovation of commercial and multi-family residential buildings. To accommodate the Property Management aspects of his business, Mr. Lineweaver incorporated Diablo Holdings, Ltd. on July 10, 1979, as a California corporation. Diablo Holdings, Ltd currently oversees 8 employees, and is wholly owned by The Lineweaver Trusts, of which he is Trustee.
Over the past 43 years, John Lineweaver, through Diablo Holdings, Ltd., has developed, renovated, owned and managed office, retail and residential properties, ranging from single family homes to a 92,000-square foot, 4-building office complex. Currently, Diablo Holdings manages nearly 175,000 square feet of retail and office space.
Mr. Lineweaver has also founded and managed a diverse set of businesses outside of the real estate industry. In 1986, Mr. Lineweaver co-founded Table Mountain Quarry, a start-up rock and gravel quarrying operation in Northern California. Mr. Lineweaver was Chief Financial Officer of the Corporation for seven years, and oversaw the design, purchase and installation of several million dollars’ worth of quarry operating equipment, as well as a complex Environmental Impact Report process. In 1996, Lineweaver and his partner sold Table Mountain Quarry to a predecessor of Vulcan Materials, Inc, which extended the quarry’s mining permit and his royalty rights to 2029.
In 1988, Mr. Lineweaver co-founded Unique Quilts, Inc., an import/export company which initially designed, manufactured and imported handmade quilts and related products from mainland China. The company was sold in 1993.
More recently, Mr. Lineweaver has become involved in a variety of other non-real estate activities, ranging from purchasing food-service franchises to investment in ranching and agricultural activities.