
Legal
Privacy Policy
What we collect when you contact us, why, and what we do with it.
Last updated: October 2026
Information We Collect
San Mateo Water Filtration serves households and businesses in San Mateo, San Mateo County, California, and nearby Peninsula communities. This policy explains how we handle information connected to this website and to the services we provide.
When you call us or book a visit, we may collect your name, phone number, service address, and details you choose to share about your property and water, such as whether you are on city water or a private well, the age of your plumbing, and the problems you are noticing.
During a visit we may record water readings taken at your property, such as chloramine, hardness, total dissolved solids, pH and iron, along with notes about the equipment we recommend, install or service.
When you browse this website, basic technical information such as your browser type, device, pages viewed and approximate location may be collected automatically by our hosting provider or analytics tools.
How We Use Your Information
We use the information you provide to respond to your questions, schedule and carry out appointments, prepare written quotes, install and maintain water treatment equipment, and send reminders when a cartridge, membrane or lamp change is due.
We may also use it to keep records of the work performed at your property, to improve our services and this website, and to meet our legal and accounting obligations.
Cookies and Tracking
This website may use cookies and similar technologies to keep the site working properly and to understand how visitors use it. You can set your browser to refuse cookies or alert you when they are sent. Some parts of the site may not work as intended if cookies are disabled.
How We Share Information
We do not sell your personal information. We share it only when needed to run the business, for example with service providers who help us with scheduling, communications, payments, website hosting or accounting, and only for those purposes.
We may also disclose information if required by law, to protect our rights or the safety of others, or in connection with a sale or transfer of the business.
Data Security
We take reasonable steps to protect the information we hold from loss, misuse and unauthorized access. No method of transmission or storage is completely secure, so we cannot guarantee absolute security.
Your Choices and Rights
You may ask us to update or correct the contact details we hold, or to stop sending you maintenance reminders, at any time by calling us. You may also ask what information we hold about you and request that we delete it, subject to records we need to keep for legal or accounting reasons.
Third-Party Links
This website may link to other websites, such as water quality reports or equipment standards. We are not responsible for the content or privacy practices of those sites, and we encourage you to read their policies.
Children's Privacy
This website and our services are intended for adults. We do not knowingly collect personal information from children. If you believe a child has provided us with information, please contact us and we will remove it.
Changes to This Policy
We may update this policy from time to time. When we do, we will revise the date at the top of this page. Continued use of the website after a change means you accept the updated policy.
Contact Us
Questions about this policy or your information? Call us at (650) 727-9630.
San Mateo Water Filtration serves San Mateo and the surrounding area.