San Mateo County property record for 557 28th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,800 sqft · built 1951 |
| Lot Size | 0.138 acres (5,996 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $2,849 (2025) |
| Deeds & Mortgages | Jun 2022 Transfer Feb 2021 Sale + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-283-020 |
| Primary APN | 039-283-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,800 sqft Living Area |
| 1st Floor Area | 1,590 sqft |
| Family Room | Family Room |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Lot Area | 5,996 sqft (0.138 acres) |
| Lot Dimensions | 120 ft deep x 50 ft wide |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 557 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R106 |
| Legal Description | LOT 1 BLOCK 1 COTTRELL SUB RSM 25/73 CITY OF SAN MATEO |
| Legal Subdivision | COTTRELL SUB |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 607300 |
557 28th Ave is held in a trust since April 2013.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4144 MORELAND WAY, SAN JOSE, CA 95130-1238 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 7, 2022 | Intrafamily Transfer, Transfer |
| Feb 1, 2021 | Grant Deed, Transfer |
| Dec 16, 2019 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 17, 2013 |
| Transfer Doc | 0000058591 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 7, 2022 |
| Property Address | 557 28TH AVE, SAN MATEO, CA 94403-2601 |
| Document Number | 0000046117 |
| Map Reference | MB 25 PG 73 |
| Instrument Date | May 26, 2022 |
| Instrument | 2022-046117 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 4144 MORELAND WAY, SAN JOSE, CA 95130-1238 |
| Investor | Possibly a Property Investor |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Feb 1, 2021 |
| Property Address | 557 28TH AVE, SAN MATEO, CA 94403-2601 |
| Document Number | 0000015545 |
| Map Reference | MB 25 PG 73 |
| Instrument Date | Jan 22, 2021 |
| Instrument | 2021-015545 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4144 MORELAND WAY, SAN JOSE, CA 95130-1238 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Dec 16, 2019 |
| Property Address | 557 28TH AVE, SAN MATEO, CA 94403-2601 |
| Document Number | 0000106509 |
| Instrument Date | Nov 14, 2019 |
| Instrument | 106509 |
| Transaction Type | Transfer |
| Record Updated | Mar 26, 2020 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 63206 E WHISPERING TREE LN TUCSON AZ 857392050, TUCSON, AZ 85739-2050 |
The 2025 property tax bill for 557 28th Ave was $2,849.
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 | $134,745 (+2%) Land $37,491 Building $97,254 | ||
| 2025 | $2,849.00 | $132,104 Land $36,756 Building $95,348 | |
| 2023 | $2,806.00 (-8.72%) | $126,977 Land $35,330 Building $91,647 | $2,220,930 |
| 2022 | $3,074.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 557 28th Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1983.
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 | 4 in force |
| Nearby Flood Claims | 3 (1983–2016) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Mar 2016 · other causes |
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.
Wildfire risk around 557 28th Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 799 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 | 1,500 / 50 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.
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