Knob and tube wiring replacement costs are higher than many other home improvement projects at $24,300 on average or between $12,000 and $36,600. Homeowners can expect home size, accessibility of the ...
SAN FRANCISCO (KGO) -- Few of you have probably heard of knob and tube electrical wiring. But, it turns out you should know more, because insurance companies are now canceling and denying homeowners ...