San Mateo County property record for 800 Walnut St, San Bruno, CA 94066
| Property Type | Vacant Land |
|---|---|
| Lot Size | 2.21 acres (96,440 sqft) |
| Owner | Company Name on File |
| Last Sale | $374,000 (Jul 2000) |
| Tax Bill | $6,191 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 020-155-030 |
| Primary APN | 020-155-030 |
|---|
| Lot Area | 96,440 sqft |
|---|
| Street Address | 800 WALNUT ST |
|---|---|
| City | SAN CARLOS |
| State | CA |
| Zip | 94070-3952 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Uncategorized |
| Local Zoning Code | R10000 |
| Legal Description | 2.214 AC MOL ADJ ELY TO BLKS 32 33 BELLE AIR PARK |
| Legal Subdivision | BELLE AIR PARK |
| Legal Block | 32 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 604200 |
800 Walnut St, vacant land, is owned by a company that acquired it in December 2000.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 615 E 3RD AVE, F, SAN MATEO, CA 94401-3394 |
| 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 |
|---|---|
| Last Sale | Jul 5, 2000 · Amount on File |
| Deed Sale | Jul 5, 2000 · Amount on File |
| Deed Document Number | 200081861 |
| Last Transfer Date | Dec 15, 2000 |
| Transfer Doc | 0000160010 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 800 Walnut St was $6,191.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Elementary School District | San Bruno Park Elementary School District (KG - 08) |
| Secondary School District | San Mateo Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $574,818 (+2%) Land $574,818 | |
| 2025 | $6,191.00 | $563,548 Land $563,548 |
| 2023 | $5,942.00 (+1.16%) | $541,666 Land $541,666 |
| 2022 | $5,874.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 800 Walnut St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 29 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 29 in force |
| Nearby Flood Claims | 5 (2021–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Claims by Event |
|
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 800 Walnut St 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: FCC Broadband Data Collection, based on 133 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks, Sonic Telecom.
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