Webb Builders, Inc.

For the spookiest attraction in the city, visit the most famous address in San Jose, the Winchester Mystery House; built by Sarah Winchester, the widow of the gun magnate William Winchester. Legend has it; the widow took 38 years to build the extravagant Victorian mansion with 160 rooms, 47 fireplaces and 950 doors with the help of spirits and nightly séances. Enter at your own risk.