Write a review Your name* Your e-mail* (Not for publication) Rating ★★★★★ Excellent ★★★★☆ Very good ★★★☆☆ Average ★★☆☆☆ Poor ★☆☆☆☆ Terrible Your review * * — Required information ST JOHN KRONSTADT CONV CTR - CASTRO VALLEY ← View details 4432 JAMES AVENUE, CASTRO VALLEY, CA, 94546, Castro Valley, California 94546 (510) 889-7000