San Mateo County property record for 161 28th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,290 sqft · built 1937 |
| Lot Size | 0.17 acres (7,422 sqft) |
| Owner | Company Name on Record |
| Last Sale | $770,000 (Jan 2000) |
| Tax Bill | $10,587 (2025) |
| Deeds & Mortgages | Oct 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-386-220 |
| Primary APN | 039-386-220 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,290 sqft Living Area |
| 1st Floor Area | 1,010 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1937 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 7,422 sqft (0.17 acres) |
| Lot Dimensions | 123 ft deep x 60 ft wide |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 161 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2459 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 13 BERESFORD PARK NO 3 RSM 19/63 64 CITY OF SAN MATEO |
| Legal Subdivision | BERESFORD PARK |
| Legal Lot Number | 13 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 607300 |
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 161 28TH AVE, SAN MATEO, CA 94403-2459 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 24, 2000 · Amount on Record |
| Deed Sale | Jan 24, 2000 · Amount on Record |
| Prior Sale | Dec 23, 1999 · Amount on Record |
| Deed Document Number | 20009188 |
| Last Transfer Date | Jul 27, 2000 |
| Transfer Doc | 0000103077 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Oct 18, 2019 |
| Property Address | 161 28TH AVE, SAN MATEO, CA 94403-2459 |
| Document Number | 0000087092 |
| Instrument Date | Oct 2, 2019 |
| Instrument | 87092 |
| Transaction Type | Transfer |
| Record Updated | Mar 26, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 161 W 28TH AVE SAN MATEO CA 94403, SAN MATEO, CA 94403 |
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 | $822,311 (+2%) Land $407,001 Building $415,310 | ||
| 2025 | $10,587.00 (+1.82%) Homeowner's exemption | $806,188 (+4.04%) Land $399,021 Building $407,167 | |
| 2023 | $10,398.00 (+3.93%) Homeowner's exemption | $774,885 Land $383,528 Building $391,357 | $1,808,910 |
| 2022 | $10,005.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 716 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| 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 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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