Cost to repair this type of damage will vary greatly depending on the extent of the damage and the type of flooring.
How to fix a rotted floor around the toilet.
To do that shut off the water at the valve underneath the left hand side of the toilet as you stand facing it.
How to fix a rotten floor around the toilet.
Repair dry rot in the floor around toilet.
You re going to have to repair the floor put the tile back replace the wax seal and set it back in place.
A spongy floor around the toilet is a strong indication that the subfloor has absorbed water.
It sounds like that s a pretty common wear and tear pattern that you re experiencing there jeff around the toilet and if you don t fix it it s going to get worse a lot quicker.
It goes under the flange and transfers the load of the flange and toilet and you out onto more solid surrounding wood.
If your toilet has been leaking there is a danger the wooden subfloor will be damaged as a result.
If only the area directly below the flange is rotted you can install a two piece steel closet flange support.
Empty the toilet bowl using a sponge a rag or a shop vacuum with the paper filter removed my favorite.
Peel back the flooring around the fixture and you will.
Draw a square around the rotted area using the midline of the nearest adjacent floor joists as a guide.
First remove the toilet.
But if your floor is severely rotted say more than an inch beyond the flange you re stuck replacing the flooring around the toilet.
Flush the toilet and disconnect the water supply.
In this case the damage was limited to.