The Daily Journal's mission is to provide a local information resource for those who live, work and play on the Peninsula, which encompasses all of San Mateo County and the northern part of Santa Clara County. The San Mateo Daily Journal is in the San Francisco - Oakland - San Jose, CA DMA. The San Mateo Daily Journal offers ROP and insert advertising opportunities in its daily circulation. Echo Media has direct relationships with over 7,500 newspapers providing tremendous local coverage.