According to our records, this business is located at 700 W Collins Ave. in Orange (in Orange County), California 92867, the location GPS coordinates are: 33.8023828 (latitude), -117.8603403 (longitude). Flat Rate Plumbing is categorized under Warm Air Heating and Air Conditioning Contractors (SIC code 1711). Known organization owner is Brian Theofanos. Current estimates show that the unit has a sales volume of $2,190,000 and staff of approximately 15 people. You can contact the company by phone at (714) 897-3498; the following fax number is also provided: (714) 289-4464.