The San Diego County office market posted strong demand in Q1 2013 with over 365,000 square feet of positive net absorption. Vacancy rates declined across most classes and submarkets. Class B properties saw particularly high demand, with 413,000 square feet of net absorption. Large lease deals included XIFIN leasing 45,000 square feet in Carmel Valley and Union Bank leasing 84,000 square feet in UTC. New supply is expected to come online throughout 2013 and 2014 from projects in Sorrento Mesa, Carmel Valley, and UTC. Opportunities exist for tenants in Downtown San Diego's 19% vacancy rate and limited prime options in high-demand submarkets.