# Free knob and tube tools

> Free knob and tube tools for San Francisco and East Bay owners: a replacement cost estimator and a plain-language assessment of how soon to act. Try them.

URL: https://fogcitysfknobandtube.com/tools/

**Tools**

Work out a budget and how soon to act before anyone visits the house. Both tools run in your browser, answer straight away and ask for no contact details.

**Where**

San Francisco and the East Bay: Berkeley, Oakland, Alameda and Piedmont.

**Tools**

## Pick a tool

- [Cost estimatorKnob and tube replacement cost estimatorThe published ranges that apply to a San Francisco or East Bay building, with the panel, the permit and any rebate on their own lines.](https://fogcitysfknobandtube.com/tools/knob-and-tube-cost-estimator/)
- [AssessmentKnob and tube risk assessmentTen plain questions about what you already know, sorted into how soon to act, why, and what to do next.](https://fogcitysfknobandtube.com/tools/knob-and-tube-assessment/)