How do you find out if a house has asbestos?

To find out if a house has asbestos in it, you should first learn when it was built. Houses built in the US after about 1984 are unlikely to have any asbestos-containing materials involved in their construction.

Then, have a qualified inspector examine the house and take samples of suspect building materials. Have them analyzed by a qualified lab and review the laboratory report or have it explained to you.

It is impossible to tell by looking alone, or by a test performed in the home, whether any particular building material contains asbestos.