San Mateo County property record for 1011 S B St, San Mateo, CA 94401
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 7 bd · 6 ba · 4,030 sqft · built 1931 |
| Lot Size | 0.108 acres (4,720 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $3,100,000 (Sep 2021) |
| Tax Bill | $44,410 (2025) |
| Deeds & Mortgages | Sep 2021 Sale Mar 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-281-030 |
| Primary APN | 034-281-030 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 6 Baths |
| Total Rooms | 15 Rooms |
| Units | 6 Units |
| Stories | 2 Stories |
| Building Area | 4,030 sqft Living Area |
| Year Built | Built 1931 |
|---|---|
| Effective Year Built | Effective 1931 |
| Architectural Style | Multi-Family |
| Lot Area | 4,720 sqft (0.108 acres) |
| Lot Dimensions | 118 ft deep x 40 ft wide |
| Garage Type | Detached |
| Parking Spaces | 5 Parking Spaces |
| Street Address | 1011 S B ST |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94401-4352 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | LOT 3 BLOCK O SUB NO 3 & RESUB BLKS G & H OF SUB NO 2 HAYWARD PARK RSM 5/36 |
| Legal Subdivision | HAYWARD PARK |
| Legal Block | O,G,H |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 606600 |
Source: San Mateo County records, as of August 31, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 1255 LA CANADA RD, HILLSBOROUGH, CA 94010-6642 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Sep 17, 2021 | Grant Deed, Transfer FIRST AMERICAN TITLE COMPANY |
| Mar 16, 2017 | Grant Deed, Transfer · Commercial Mortgage FIRST REPUBLIC BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 17, 2021 · Amount on Record |
| Deed Sale | Sep 17, 2021 · Amount on Record |
| Prior Sale | Mar 16, 2017 · Amount on Record |
| Deed Document Number | 2021134120 |
| Prior Transfer Date | Mar 16, 2015 |
| Prior Transfer Doc | 0000031415 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 17, 2021 |
| Property Address | 1011 S B ST, SAN MATEO, CA 94401-4352 |
| Document Number | 0000134120 |
| Map Reference | MB 5 PG 36 |
| Instrument Date | Sep 15, 2021 |
| Instrument | 2021-134120 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $18,910.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 1255 LA CANADA RD, HILLSBOROUGH, CA 94010-6642 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 16, 2017 |
| Property Address | 1011 S B ST, SAN MATEO, CA 94401-4352 |
| Document Number | 0000022805 |
| Map Reference | MAP5 PG36 |
| Instrument Date | Mar 7, 2017 |
| Instrument | 2017-022805 |
| Transaction Type | Transfer |
| Record Updated | Aug 9, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 3701 FERNWOOD ST, SAN MATEO, CA 94403-4140 |
| Document Number | 0000022806 |
|---|---|
| Date | Mar 16, 2017 |
| Instrument | 2017-022806 |
| Name | FIRST REPUBLIC BANK |
|---|---|
| Type | Bank |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $3,355,538 (+2%) Land $1,623,648 Building $1,731,890 | |
| 2025 | $44,410.00 (+2.51%) | $3,289,744 (+4.04%) Land $1,591,812 Building $1,697,932 |
| 2023 | $43,321.00 (+0.5%) | $3,162,000 Land $1,530,000 Building $1,632,000 |
| 2022 | $43,106.00 |
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 |
| 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.
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 915 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 | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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