San Mateo County property record for 306 6th Ave, San Mateo, CA 94401
| Property Type | Commercial Office |
|---|---|
| Lot Size | 0.094 acres (4,080 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $450,000 (Dec 1997) |
| Tax Bill | $9,443 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-193-060 |
| Primary APN | 034-193-060 |
|---|
| Lot Area | 4,080 sqft (0.094 acres) |
|---|---|
| Lot Dimensions | 40 ft deep x 102 ft wide |
| Street Address | 306 6TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-4117 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | CL00C2 |
| Legal Description | NE 40 FT OF LOTS 1 2 BLOCK 7 HAYWARD ADDITION TO CITY OF SANMATEO RSM D/61 |
| Legal Subdivision | HAYWARD ADDITION TO CITY OF SANMATEO |
| Legal Block | 7 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 606300 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 306 6TH AVE, SAN MATEO, CA 94401-4117 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 11, 1997 · Amount on Record |
| Deed Sale | Dec 11, 1997 · Amount on Record |
| Deed Document Number | 1997162688 |
| Record Updated | Sep 20, 2026 |
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 | $732,892 (+2%) Land $431,595 Building $301,297 | |
| 2025 | $9,443.00 (+4.56%) | $718,523 (+4.04%) Land $423,133 Building $295,390 |
| 2023 | $9,031.00 (+1.59%) | $690,624 Land $406,703 Building $283,921 |
| 2022 | $8,890.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 570 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Etheric Networks Fixed Wireless · Fiber in parts of the area | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, GeoLinks, Sonic Telecom, Unwired.
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