Martinez, Contra Costa County
St. Catherine of Siena
Directory record â detailed facts under reviewPublic directory facts
What we know
- Grades served
- Kâ8
- Enrollment
- 120
- Address
- 604 Mellus St., Martinez, 94553-1639
- Phone
- (925) 228-4140
- Record status
- Active
Sources and freshness
Check the original sources
Admissions dates, tuition, programs, and support services are not shown until reviewed.
Visit the school websiteView the California directory record
School source checked 2026-08-21.
Website checked 8/22/2026.