William R. Mazza was a general building contractor and licensed real estate broker. He maintained his business for over 30 years in the Sacramento metropolitan area. The major portion of Mr. Mazza's business dealings pertained to real property matters. He was instrumental in developing and building over 4,800 units composed of lot development, single- family homes, mobile home parks, mini-storage complexes, and light commercial projects with an aggregate value in excess of $300 million.
Mr. Mazza was associated with the professional management of four apartment complexes and three commercial properties in the Sacramento area. Individually, and in partnerships, Mr. Mazza was involved in the ownership of apartment projects, mini-storage complexes and a commercial office-warehouse development.
Mr. Mazza was active in the Building Industry Association of Superior California where he served as President and a BAC-PAC Director. He was the first Vice President for the California Building Industry Association, a California Building Industry Association Life Director, and served on the California Building Industry Association Long Range Planning Committee. He was a Director of the National Association of home Builders and also a Director of the State Housing Finance Agency. Mr. Mazza was also a member of the Sacramento Board of Realtors.
Within the community, Mr. Mazza was a current Director and Past Chairman of the Sacramento Regional Transit Board of directors. He was a member of the Citrus Heights Planning Advisory Board and was active with the YMCA, where he served as a Director.