Once loud toilet you have done all you can do it's time to call in the professionals. Experts dealing with water damage restoration are equipped with the equipment, experience and knowledge to be able to spot problem areas and address them right away. You should get in touch with them and arrange a visit as soon as possible. Let them know if the water is still present and how much you have been able to do. That will allow them to fit you into their schedule should your situation be urgent. Clearing water quickly is important so that mold and spores do not have a chance to take root and begin growing. This mold can cause respiratory and other serious health problems.
When you get to the house stand if front of the toilet and locate the water shut off valve. Should be down below the toilet on the wall. Just turn it off (righty-tighty) completely and flush the toilet. All the water should have left the tank, well at least most of it. If there is remaining water line repair get it out with paper towels or a rag. The important thing is that no more water came in. If it did then your valve is not shut all the way or not working and you need additional help.
In general, plumbers out there can be subdivided into two: one who can do the basic maintenance plumbing duties and the other one who is capable of handling more complicated and general works. Let's discuss these two types.
OR, you can think about developing a group, where relationships prevail, your time and efforts come with great rewards, and you can multiply your efforts through helping others succeed, as they help you with introductions and referrals. So with much less time and effort, you can benefit from creating your own referral group.
Be certain that the bathroom exhaust fan vents to the outdoors, not into the house or attic. If the exterior vent dampers don't operate properly or water line repair don't seat well have them fixed or replaced.
People who own rental properties are great ones to give you information. With all of the service people needed for maintenance on their units, they typically know who to call and what level of work they perform. Most property owners will be more than happy to give you the information you seek. In fact, they were probably in your shoes at one time.
A large plumbing job, such as re-piping or installing additional fixtures, may require a permit. Check with your city's department of building and safety before asking for estimates, and avoid any plumbers who are reluctant to comply with regulations.