You should make sure that your house plumber is on a regular basis to do any type of repairs that you might need. You should ask them how often they work and how long they have been in business. You should also ask them if they have had any complaints against them and if so what was the reason. Quality. You should always choose a house plumber that you can trust to work on your pipes. You should choose a plumber that has good references from satisfied customers. This can give you peace of mind that you are going to get good quality work done on your home. Whether or not they charge by the hour or by the job. In order to get the best value for your money, you should always look at the prices of different plumbers and choose the one that charges the least amount. Sometimes an hourly charge is not always the best value for money. You can always go by a billing schedule that will tell you exactly how much it will cost to work on your pipes. How many calls do they receive on a daily basis? You should always choose a house plumber that will get a large number of calls each day because this means that they are a reliable company. You should always ask how many calls they receive per month and compare it to other companies that are in the same field.