Plumb Line Check
Privacy Policy
Who we are
Plumb Line Check is run by Zach Hendrikse in Sheboygan County, Wisconsin. Contact: zach@plumblinecheck.com. Our mailing address will be posted here once our business mailbox is open.
What we collect
- From clients: your business name, contact name, email, phone, website, license number, the hours and service area you want shown, the towns and kinds of work you want checked, and any competitors you name. Payment details are collected and stored by Stripe, not by us.
- From contractors we email: business name and the public business email address, taken from your own website or from the Wisconsin Department of Safety and Professional Services public credential records. Before we email a contractor we may ask the AI assistants about that business by name; those questions use only the public business name, trade and town.
- From website visitors: nothing beyond what our hosting provider, Cloudflare, logs by default (IP address, browser, pages viewed). Our pages load nothing from any other company: the typefaces are served from this site, and we run no ad trackers and no analytics. Cloudflare's logs are the only record that you visited.
What we do with it
We use client information to produce and deliver your reports and to bill you. We use contractor information to send you one or two emails about our service, which you can stop at any time. We don't sell or rent anyone's information, and we never share one client's details, report or fixes with another client, including others in the same trade.
AI services we use
To produce reports, we send the questions a homeowner might ask about your business (which include your business name, trade and town) to OpenAI, Anthropic and Perplexity through their business APIs. These providers process that text under their own terms. Nothing but those questions goes to them. If we add a fourth assistant, Google's Gemini, we will say so here with the date, and we will note that on Gemini's free tier Google may use what is sent to improve its products and its reviewers may read it.
We also use Anthropic's Claude as a working assistant to prepare reports, fixes and email drafts, so it processes the business details you give us, including your contact name and email. Payment details never go to any AI service.
Access to your listings
On a monthly plan you may give us manager access to a listing, such as your Google Business Profile. We use it only to make changes you've approved, and you can remove it at any time. We never ask for your passwords.
Where it's stored
Google Workspace (email and Drive), Stripe (payments), Anthropic's Claude (working files and chats), and the computer we work from. We keep client reports for 24 months, then delete them unless you ask us to keep them longer.
Your choices
Email zach@plumblinecheck.com to see, correct or delete what we hold about you or your business, or to stop all emails. We honor unsubscribe requests within 10 business days, usually the same day.
Changes
We'll post updates on this page with a new date.