Summit State Bank provides banking products and services to individuals and businesses, primarily in Sonoma County, California. Its offerings include personal and business checking, money market, sweep, savings, and demand accounts, as well as time certificates of deposit and specialized deposit accounts such as professional, small business packaged, tiered, and retirement plan accounts. The bank also provides commercial loans and leases, lines of credit, commercial real estate, Small Business Administration, residential mortgage, and construction loans, home equity lines of credit, term and equipment loans, and loans to agriculture-related businesses. Additional services include internet and telephone banking, electronic banking, cash management, electronic bill payment, and other services such as banking by appointment, direct payroll and social security deposits, letters of credit, ATM network access, courier, safe deposit boxes, night depository, notary, travelers checks, lockbox, and banking by mail. Summit State Bank was incorporated in 1982 and is headquartered in Santa Rosa, California.