Welcome to the home page of Caledonian Building Services, market leaders in Northern California for Commercial Window Cleaning and Pressure Washing.

Please look around our site to find how we can best serve your needs.

"Since it's inception Caledonian Building Services has provided ABM with superior,cost effective,window cleaning,pressure washing and consultant services.The relationship has grown steadily between both companies and has become a true mutually beneficial partnership.We hold Jim,Stephen and their team in the highest regard".
David Roe, Senior Vice-President, ABM Facility Services.

"Caledonian Building Services has not only been providing Stanford University campus with window cleaning and pressure washing services for the past six years but, due to their training and innovative approach, has been a continued source of technical expertise and problem solving on campus".
Chonna Delaney , Stanford University, Facility Services.

"If you are looking for a professional window cleaning service that is honest,capable and responsive,go with Caledonian".
Dale Tate, Rincon Center, General Manager, Glenborough Realty.