San Mateo County property record for 1504 S B St, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,170 sqft · built 1925 |
| Lot Size | 0.09 acres (3,902 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $640,000 (Mar 2004) |
| Tax Bill | $12,184 (2025) |
| Deeds & Mortgages | Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-295-340 |
| Primary APN | 034-295-340 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,170 sqft Living Area |
| 1st Floor Area | 1,170 sqft |
| Family Room | Family Room |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1925 |
| Lot Area | 3,902 sqft (0.09 acres) |
| Lot Dimensions | 87 ft deep x 45 ft wide |
| View / Lot | Corner |
| Garage Area | 390 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1504 S B ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2436 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R20000 |
| Legal Description | 45 FT X 86.71 FT COR B ST & 15TH AVE PTN LOT 21 BLOCK I SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36 |
| Legal Subdivision | HAYWARD PARK |
| Legal Block | I,G,H |
| Legal Lot Number | 21 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 606600 |
1504 S B St is owned and occupied by two individuals who acquired it in March 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1504 S B ST, SAN MATEO, CA 94402-2436 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Mar 31, 2004 · Amount on File |
| Deed Sale | Mar 31, 2004 · Amount on File |
| Prior Sale | Apr 30, 1999 · Amount on File |
| Deed Document Number | 200459757 |
| Last Transfer Date | Mar 20, 2013 |
| Transfer Doc | 0000047219 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 1504 S B ST, SAN MATEO, CA 94402-2436 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000066797 |
|---|---|
| Date | Jul 14, 2020 |
| Instrument | 2020-066797 |
| Name | NEWREZ LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | FORT WASHINGTON, PA 19034 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Aug 1, 2040 |
The 2025 property tax bill for 1504 S B St was $12,184.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $928,130 (+2%) Land $464,065 Building $464,065 | ||
| 2025 | $12,184.00 | $909,932 Land $454,966 Building $454,966 | |
| 2023 | $11,544.00 (+1.19%) | $874,600 Land $437,300 Building $437,300 | $1,532,790 |
| 2022 | $11,408.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1504 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 | 3 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 1504 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 797 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 · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Sonic Telecom, Unwired, Verizon.
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