According to our records, this business is located at 8423 Florence Ave # D in Downey (in Los Angeles County), California 90240, the location GPS coordinates are: 33.9505843 (latitude), -118.1228536 (longitude). A-1 Domestic Professional Service is categorized under Home Health Care Services (SIC code 8082). Known organization president is Suzette Dagdagan. Current estimates show that the unit has a sales volume of $196,000 and staff of approximately 4 people. You can contact the company by phone at (562) 904-2878; the following fax number is also provided: (562) 904-2883.