You can ask your friends, neighbours, family, and coworkers what plumbers they have used. You will often receive good recommendations and learn about the quality of their work. You will also learn about bad experiences so you will know what company to avoid. You can also check with people in your social circles such as church members. As well, you can also check with a realtor to see if they have a list of dependable and honest plumbers.
Do you know of any buyers or sellers who have employed the agent? Client referrals are a valid measure of the Realtor's ability and performance. Testimonials provided by the agent are not as reliable as the proverbial "word of mouth" referral. This is as true in real estate as in any other business or profession.
Good plumbers are going to have a valid license that you can check on. Look up the number they give you online and see if it is valid and if any complaints have been filed against that number. This will tell you if they are at least good and have not done anyone anything wrong. Some of the best plumbers are going to know and understand the local building codes and will be able to explain to you what is needed water quality for the job to be in code.
A good company offers guarantees on their labor and the parts they use. Reliable plumbing companies guarantee their work Trustworthy plumber with written warranties and contractual agreements. If you pay for service and it fails, you will not have to pay for the same service again if the work is guaranteed.
Your septic tank has to be emptied sometimes, and there's no easy answer to when it should be done. It depends on the size of the tank and the (sorry to mention it) consistency of the stuff going into it. Basically, if the septic tank isn't pumped out regularly, it will cause you thousands of dollars worth of problems. Ask your Local plumber for advice on your septic tank maintenance.
If you have patience and time, you can look for a plumber in yellow pages. Look over the pages to find a plumber. You will need good eyesight to spot it as the print they use is very fine. You can locate a few of plumbers with some effort. You should list down minimum three of them to finally select the one. Check about their charges and the services they offer. Before finalizing, verify about their reputation by getting help from different agencies run by the government.
Even if you have not noticed a problem with your sewer lines, consider calling in a plumber for an inspection. If there is a problem, set up an appointment to have it repaired right away. Remember that replacement can be costly but you can save money by going with a company that will avoid trenching the yard.