Local directory · San Mateo, CA

Plumbers in San Mateo, CA

Written & reviewed by Founder, SEO Local · 22 years in SEO · Updated October 2026 · LinkedIn

The US Census (County Business Patterns) counts 230 plumbers in San Mateo County, CA. Below are the 3 mapped by name from OpenStreetMap — 1 list a phone number and 2 link a website. Every listing here is free, and any owner can claim their page on the hashtag.org network.

Plumbers directory · San Mateo

Data: © OpenStreetMap contributors

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Local news · Plumbers · San Mateo

Plumbers in San Mateo — FAQ

How many plumbers are in San Mateo, CA?
San Mateo County has a surprising number of plumbing businesses - there are 230 according to the US Census's County Business Patterns. Just for reference. This directory actually maps out 3 of them specifically by name.
How many of these plumbers list contact details?
Of the 3 plumbers mapped here, 1 list a phone number and 2 link a website.
Is this San Mateo plumbers directory free?
Yes. Every listing is built from free public data — US Census County Business Patterns and OpenStreetMap — and any business can claim its page on the hashtag.org network at no cost.

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