San Mateo County property record for 234 9th Ave, San Mateo, CA 94401
| Property Type | Commercial Office |
|---|---|
| Lot Size | 0.417 acres (18,150 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,624 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-272-010 |
| Primary APN | 034-272-010 |
|---|
| Lot Area | 18,150 sqft (0.417 acres) |
|---|
| Street Address | 234 9TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-4204 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | EA00E2 |
| Legal Description | LOT A GLAZENWOOD RSM 10/43 44 CITY OF SAN MATEO |
| Legal Subdivision | GLAZENWOOD |
| Legal Lot Number | A |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 606400 |
234 9th Ave, a commercial property, is owned by a company.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 234 9TH AVE, SAN MATEO, CA 94401-4204 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 234 9th Ave was $2,624 with an additional exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Mateo City |
| Elementary School District | San Mateo-Foster City Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,017,688 (+1.97%) Land $1,297,776 Building $719,912 | |
| 2025 | $2,624.00 Additional exemption filed | $1,978,696 Land $1,272,330 Building $706,366 |
| 2023 | $749.00 (-6.14%) Additional exemption filed | $1,902,007 Land $1,222,925 Building $679,082 |
| 2022 | $798.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 234 9th Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
The area around 234 9th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CALIFORNIA WATER SERVICE - SAN MATEO private · serves 103,536 people · EPA ID CA4110008 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Lead | 4 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 915 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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