San Mateo County property record for 703 28th Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,020 sqft · built 1945 |
| Lot Size | 0.126 acres (5,485 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $7,538 (2025) |
| Deeds & Mortgages | Nov 2018 Transfer Nov 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 039-273-100 |
| Primary APN | 039-273-100 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Building Area | 1,020 sqft Living Area |
| 1st Floor Area | 1,020 sqft |
| Family Room | Family Room |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1945 |
| Lot Area | 5,485 sqft (0.126 acres) |
| Lot Dimensions | 110 ft deep x 50 ft wide |
| Garage Area | 260 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 703 28TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-2607 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 1 BLOCK 6 TERRACE GARDENS RSM 23/71 CITY OF SAN MATEO |
| Legal Subdivision | TERRACE GARDENS |
| Legal Block | 6 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 607300 |
703 28th Ave is owned by two individuals who acquired it in November 2018.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 813 N IDAHO ST, SAN MATEO, CA 94401-1122 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 |
|---|---|
| Nov 14, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Nov 5, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 7, 2018 |
| Transfer Doc | 0000088469 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 14, 2018 |
| Property Address | 703 28TH AVE, SAN MATEO, CA 94403-2607 |
| Document Number | 0000088469 |
| Instrument Date | Nov 7, 2018 |
| Instrument | 88469 |
| Transaction Type | Transfer |
| Record Updated | Dec 4, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 813 N IDAHO ST SAN MATEO CA 944011122, SAN MATEO, CA 94401-1122 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 5, 2018 |
| Property Address | 703 28TH AVE, SAN MATEO, CA 94403-2607 |
| Document Number | 0000086224 |
| Instrument Date | Oct 30, 2018 |
| Instrument | 86224 |
| Transaction Type | Transfer |
| Record Updated | Nov 29, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 458 WISNOM AVE SAN MATEO CA 944012422, SAN MATEO, CA 94401-2422 |
The 2025 property tax bill for 703 28th Ave was $7,538.
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 | $453,011 (+2%) Land $193,146 Building $259,865 | ||
| 2025 | $7,538.00 | $444,129 Land $189,359 Building $254,770 | |
| 2023 | $7,247.00 (+3.97%) | $426,885 Land $182,007 Building $244,878 | $1,775,700 |
| 2022 | $6,970.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 703 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 703 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 732 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, T-Mobile.
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