Ask around. Ask your friends, ask your neighbors and get referrals. Nothing is more powerful than the testament of someone who has had a local plumber in their home and can speak to his/her capabilities.
If you need an emergency drain repair, toilet repair, or some other plumbing job completed you'd be better off to go online and find a proper business. The best businesses are almost always ranked towards the top because Google is so accurate with their searching relevancy. So if you type in your city and the word plumber you will be given the best in your area!
How do you determine if it is an emergency? Look at the source of the problem. If water is not moving and the sink is just full of water that isn't draining, you haven't found a real emergency. If the faucet in the sink will not stop running, and the water isn't draining, it may turn quickly into an water quality.
The above mentioned tools are Trustworthy plumber not the only ones you'll need to carry out plumbing repairs. You may also want to equip yourself with screwdrivers, tape measure, socket sets, files, Allen keys, chisels, flashlight, trowel, wire strippers and safety gloves.
Sometimes repairs do not need to be immediate, but they should be quick. When you do not need emergency repairs, but cannot wait days for help, you should find a plumbing company offering same day services. This means you can call in the morning and have someone there to make the repair within hours. Since some companies do not offer emergency services, same day service may be the next best thing, so you should look for this offering if it is the best your Local plumber has.
As precautionary measure, you have to tell all your tenants where their individual water shut off valve is located, as well as the entire building's so they can turn it off in case of emergency. And don't forget to make them accessible. It won't do any good if they know where it is but it's locked and they can't break in.
5- Gas leaks: When smelling gas simply evacuate the building. Gas leaks do not lend themselves to D.I.Y repair due to their deadly nature in the wrong hands. Once outside the home call in your emergency plumber or Gas Company. You can and under professional guidance attempt to turn off the gas meter at the control valve.