Data updated October 12, 2026 · San Mateo County, California

San Mateo County Utility Lien List

70 San Mateo County properties carry an open utility lien — #25 of California's 58 counties and 0.1% of the statewide total. A utility lien records when water, sewer, or municipal service bills go unpaid long enough that the provider attaches the debt to the property. The amounts are usually small, and that's the point: nobody lets a utility bill become a recorded lien on a home that's being looked after. It's one of the earliest recorded signs of a property nobody is minding. Each lien here is matched against recorded releases, so the list holds only debt that is still open.

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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.

A real South San Francisco single-family home in Properant — each lien, who filed it, the owner, loans and equity on one page
The profile on this page is a real South San Francisco record: a 3-bed, 2-bath single-family home, about 1,350 sq ft, built in 1959 on a 6,000 sq ft lot — carrying one recorded lien, with roughly half its value unencumbered. It sits in San Mateo County, pulled straight from the county's recorded documents and shown exactly as it appears inside Properant: every lien recorded against the home, who filed it and when it was recorded, stacked with the same home's owner record, open loans and true equity. Every property behind this page's numbers opens into a profile like this.
70
Properties With Open Utility Liens In San Mateo County
#25 Of 58 Counties·0.1% Of California·Counted From County Records

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.

80
Open Lien Claims On Record
0
Recorded In The Last 30 Days
$2,051
Median Open Lien
$9,971
Largest Open Lien

Search These Properties With The Owner Behind Each One →

What's on Every Property Record

Every property shows the recorded lien amount and date alongside the owner's record and mailing address, open loans, other liens, tax status, foreclosure stage, and true equity — so a utility lien on a vacant, tax-delinquent, high-equity house stands out from ordinary noise in one search.

Frequently Asked Questions

How many properties with open utility liens are there in San Mateo County?

Properant tracks 70 properties with open utility liens in San Mateo County as of October 12, 2026 — ranked #25 of California's 58 counties — counted from recorded county documents with releases and cancellations removed.

Why are utility liens in San Mateo County a useful lead source?

Because of what a recorded utility lien says about the owner, not the amount. Attentive owners never let a water bill become a lien — so when one records, it usually marks an empty house, an heir who walked away, or an owner in real trouble. Stacked with tax delinquency or a vacancy flag, it's the profile of a property whose owner has already moved on.

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 70 properties with open utility liens?

Explore the live San Mateo County utility lien database in Properant.

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15M
Parcels Mapped
Every property in all 58 California counties, on one map
AI
Distress Scoring
Our AI model reads every signal on a parcel and ranks it Hot / Warm / Cold
100/mo
Included Skip Traces
Owner phone numbers and emails, included with membership every month
LIVE
Pre-Foreclosure
New NODs, trustee sales and auction dates as they record
TRUE
Equity
Open loans and liens reconciled against recorded releases — not guesses

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