| Business | Phone |
| Department Of Health Svc Libr 225 37th Ave, San Mateo 94403 | (650) 573-2520 |
| Library Service Systems San Mateo 94403 | (650) 577-1929 |
| Marina Public Library 1530 Susan Ct, San Mateo 94403 | (650) 522-7890 |
| Peninsula Library System 2471 Flores St, San Mateo 94403 | (650) 349-5538 |
| San Mateo County Library 25 Tower Rd, San Mateo 94402 | (650) 312-5258 |
| San Mateo Public Library 1100 Park Pl, San Mateo 94403 | (650) 522-7800 |
| San Mateo Public Library 205 W Hillsdale Blvd, San Mateo 94403 | (650) 522-7880 |