Data updated October 12, 2026 · San Mateo County, California
San Mateo County Mechanics Lien List
444 San Mateo County properties carry an open mechanics lien — #13 of California's 58 counties and 1.5% of the statewide total. A mechanics lien is recorded by a contractor, subcontractor, or supplier who did work on the property and wasn't paid, and it clouds the title until it's paid or released. It's a distress signal with a story attached: a project stopped mid-stream, or the owner's cash ran out with the work already done. Each claim here is matched against recorded releases, so the list holds only liens that are still open.
Search These 444 Properties With Open Mechanics Liens
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The Profile
One click. The whole picture.
Every recorded lien
Tax liens, judgments, mechanics liens, HOA liens. Amounts, parties, and whether each one is still active — matched against recorded releases, so a lien on the profile is a lien that's really there.
The Full San Mateo County Distress Pipeline
San Mateo County At A Glance
San Mateo County is home to about 745,100 people and is tracked parcel by parcel across every city and unincorporated community inside it. Across San Mateo County the platform is tracking 1,996 tax-delinquent, 91 under a notice of default and 126 in pre-foreclosure.
The pressure is not spread evenly. Daly City, San Mateo, Half Moon Bay, Redwood City and South San Francisco carry 45% of it between them, out of 29 communities in the county.
By ZIP, 94019, 94044, 94080 and 94014 run heaviest. Sequoia Union High School District and San Mateo Union High School District contain the largest shares.
Lien Activity In San Mateo County
Live from recorded county documents, releases removed — the same records the list itself is counted from.
What's on Every Property Record
Every property shows the recorded claim amount, the claimant, and the recording date, alongside the parcel's full picture — the owner's record and mailing address, open loans, other liens, tax status, foreclosure stage, and true equity — so a lien on a high-equity home separates from one buried under debt before you reach out.
Frequently Asked Questions
How many properties with open mechanics liens are there in San Mateo County?
Properant tracks 444 properties with open mechanics liens in San Mateo County as of October 12, 2026 — ranked #13 of California's 58 counties — counted from recorded county documents with releases and cancellations removed.
Why are mechanics liens in San Mateo County a motivated-seller signal?
Because the lien points at a specific, recent failure: work was done and the money to pay for it wasn't there. Owners carrying one often have a half-finished project or a cash crunch a sale would solve — and the lien must be dealt with at any closing, which makes a straightforward offer genuinely useful.
Can I download the San Mateo County list?
Yes. Inside Properant you can filter San Mateo County by city, equity, owner type, and every other signal, save the list, and export it — or upload your own list for matching and enrichment. The trial is free and requires no credit card.
Work San Mateo County Like You Live at the Recorder's Office
This page is one slice of it. Properant connects every parcel in California to its owner, open loans, liens and foreclosure stage — then scores and skip-traces the ones worth calling.
Want to search these 444 properties with open mechanics liens?
Explore the live San Mateo County mechanics lien database in Properant.
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