San Mateo County property record for 101 28th Ave, San Mateo, CA 94403
| Property Type | Multi-Family Dwellings |
|---|---|
| Details | 20 bd · 1 ba · 14,575 sqft · built 1960 |
| Lot Size | 0.343 acres (14,957 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $53,028 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-385-010 |
| Primary APN | 039-385-010 |
|---|
| Bedrooms | 20 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 47 Rooms |
| Units | 15 Units |
| Stories | 2 Stories |
| Building Area | 14,575 sqft Living Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Multi-Family |
| Lot Area | 14,957 sqft (0.343 acres) |
| Lot Dimensions | 179 ft deep x 84 ft wide |
| View / Lot | Corner |
| Parking Spaces | 13 Parking Spaces |
| Street Address | 101 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2469 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Multi-Family Dwellings |
| Legal Description | NELY 83.7 FT OF LOT 40 SUB OF LOTS 1 2 19 21 OF BERESFORD PARK RSM A/17 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 40,1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 607300 |
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 | 38 BAYWOOD AVE, SAN MATEO, CA 94402-1517 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Feb 7, 2000 |
| Transfer Doc | 0000015570 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 101 28TH AVE, SAN MATEO, CA 94403-2469 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000024763 |
|---|---|
| Date | Mar 19, 2020 |
| Instrument | 2020-024763 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COPPELL, TX 75019 |
| 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 | $2,534,524 (+2%) Land $759,554 Building $1,774,970 | |
| 2025 | $53,028.00 (+15.3%) | $2,484,828 (+4.04%) Land $744,661 Building $1,740,167 |
| 2023 | $45,991.00 (+4.17%) | $2,388,342 Land $715,746 Building $1,672,596 |
| 2022 | $44,150.00 |
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 | 2 in force |
| Nearby Flood Claims | 4 (1998–2022) |
| Claims Outside the SFHA | 4 of 4 |
| Most Recent Claim | Dec 2022 · rainfall accumulation |
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 290 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks.
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