London Chimney Service, Inc. is a chimney sweeping, relining, and restoration company located in Mill Valley, CA. The company is owned and operated by Mark Rizzo, and also handles dryer vent cleanings, fireplace restorations, and various masonry jobs and services. The hours of operation are as follows: Tuesday - Friday 10:00 am - 5:00 pm / Saturday 10:00 am - 4:00 pm.