San Mateo County property record for 253 S B St, San Mateo, CA 94401
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 9,811 sqft · built 1922 |
| Lot Size | 0.123 acres (5,375 sqft) |
| Owner | Company Name on File |
| Tax Bill | $23,600 (2025) |
| Deeds & Mortgages | Nov 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-177-150 |
| Primary APN | 034-177-150 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 9,811 sqft Gross Area |
| Basement Area | 2,955 sqft |
| Year Built | Built 1922 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 5,375 sqft (0.123 acres) |
| Street Address | 253 S B ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-4017 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Local Zoning Code | CB000D |
| Legal Description | PARCEL A PARCEL MAP VOL 48/78 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 606300 |
253 S B St, a commercial property, is owned by a company that acquired it in June 1993.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 26271 MOODY RD, LOS ALTOS HILLS, CA 94022-4341 |
| Owner Type | Company |
| Vesting | Partnership |
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 Transfer Date | Jun 24, 1993 |
| Transfer Doc | 0000109750 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 253 S B ST, SAN MATEO, CA 94401-4017 |
| Transaction Type | Mortgage |
| Record Updated | Dec 22, 2022 |
| Name | Verified Name |
|---|---|
| Address | 26271 MOODY RD, LOS ALTOS HILLS, CA 94022-4341 |
| Document Number | 0000079798 |
|---|---|
| Date | Nov 18, 2022 |
| Instrument | 2022-079798 |
| Name | LINDA M SWEENEY TRUST |
|---|---|
| Type | Private Party |
| Address | 26271 MOODY RD, LOS ALTOS HILLS, CA 94022 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 253 S B St was $23,600.
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 | $1,446,171 (+2%) Land $143,372 Building $1,302,799 | |
| 2025 | $23,600.00 | $1,417,815 Land $140,561 Building $1,277,254 |
| 2023 | $28,284.00 (+6.04%) | $1,362,760 Land $135,103 Building $1,227,657 |
| 2022 | $26,674.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 253 S B St 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 | 2 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 253 S B 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: 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 791 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 · Fiber in parts of the area | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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