San Mateo County property record for 259 Walnut St, San Bruno, CA 94066
| Property Type | Other |
|---|---|
| Details | 3,150 sqft · built 1968 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Company Name on File |
| Tax Bill | $8,157 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 020-184-080 |
| Primary APN | 020-184-080 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 3,150 sqft Gross Area |
| 1st Floor Area | 3,150 sqft |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 259 WALNUT ST |
|---|---|
| City | SAN BRUNO |
| State | CA |
| Zip | 94066-3235 |
| Property Category | Other |
| Property Type | Other > Miscellaneous |
| Local Zoning Code | R30000 |
| Legal Description | LOTS 11 & 12 BLOCK 1 BELLE AIR PARK RSM 5/10 |
| Legal Subdivision | BELLE AIR PARK |
| Legal Block | 1 |
| Legal Lot Number | 11,12 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SOUTH SAN FRANCISCO |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 604200 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 383 SAN BRUNO AVE W, SAN BRUNO, CA 94066-3526 |
| Owner Type | Company |
| Vesting | Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 20, 1993 |
| Transfer Doc | 0000226886 |
| Record Updated | Oct 29, 2026 |
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Municipality | San Bruno City |
| 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 | $640,574 (+2%) Land $288,258 Building $352,316 | |
| 2025 | $8,157.00 (+22.18%) | $628,014 (+4.04%) Land $282,606 Building $345,408 |
| 2023 | $6,676.00 (+1.15%) | $603,630 Land $271,633 Building $331,997 |
| 2022 | $6,600.00 |
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 · 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 |
| 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.
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 | CITY OF SAN BRUNO serves 42,631 people · EPA ID CA4110023 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jul 2024 |
| Lead | Under 1 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 827 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 |
| 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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