Cornerstone Records Management LLC signed a 5-year lease renewal at Valley Gateway Business Park in Sylmar, according to a brokerage firm involved in the deal.

The document storage and management company, based in Maryland, signed the deal for 80,480 square-feet of industrial space, said DAUM Commercial Real Estate Services, which represented the landlord, World Oil Corp.

Executive Vice President Chris Sullivan of DAUM Commercial represented the landlord. Ray Howden of Cushman & Wakefield represented the tenant.

Andrew Khouri