| Business | Phone |
| City Of San Marcos 1 Civic Center Dr, San Marcos 92069 | (760) 744-0040 |
| San Marcos Administration Offices 1 Civic Center Dr, San Marcos 92069 | (760) 744-1050 |
| San Marcos City Woods House 1148 Rock Springs Rd, San Marcos 92069 | (760) 735-8589 |
| San Marcos Community Svc 3 Civic Center Dr, San Marcos 92069 | (760) 744-9000 |
| San Marcos Fulton House 1263 Fulton Rd, San Marcos 92069 | (760) 739-1427 |
| San Marcos Joslyn Senior Cntr 111w Richmar Ave, San Marcos 92069 | (760) 744-5535 |