Pro Building Maintenance, Inc., Offers Commercial Office Cleaning in Irvine. We have been in business since 1991. We provide the Best Commercial Janitorial Services in Irvine and the surrounding areas. Pro also cleans Commercial Windows, Commercial Carpet Cleaning and Strip Wax and Buff all Commercial Flooring. Our goal is for you to always have a clean building. Quality: Quality control of all Commercial Cleaning Services through hiring practices, training, supervision, follow-up and technology.