The document is a report from MLSListings Inc that provides real estate data and trends for San Mateo County over various time periods from January 1998 to February 2015. It includes statistics on housing inventory levels, closed housing sales, new housing listings, median and average home prices, percentage of sale price to listing price, months of inventory, and average days on market for both single family homes and condominiums/townhomes. The report contains 14 sections, each focusing on a different housing market metric for San Mateo County.