San Mateo County property record for 106 19th Ave, San Mateo, CA 94403
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 3,532 sqft · built 1949 |
| Lot Size | 0.096 acres (4,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $549,000 (Jul 2012) |
| Tax Bill | $10,198 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-231-210 |
| Primary APN | 035-231-210 |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 3,532 sqft Living Area |
| 1st Floor Area | 3,532 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Duplex Single |
| Lot Area | 4,200 sqft (0.096 acres) |
| Lot Dimensions | 100 ft deep x 42 ft wide |
| View / Lot | Corner |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 106 19TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-1317 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R20000 |
| Legal Description | LOT 1 BLOCK 7 RESUB OF LOTS 87 88 ETC SAN MATEO CITY HOMESTEAD RSM 16/62 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO CITY HOMESTEAD |
| Legal Block | 7 |
| Legal Lot Number | 1,87 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2031 |
| Census Tract | 607500 |
106 19th Ave, a duplex, is owned by two individuals who bought it in July 2012.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 61812, SUNNYVALE, CA 94088-1812 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 3, 2012 · Amount on File |
| Deed Sale | Jul 3, 2012 · Amount on File |
| Prior Sale | Sep 25, 1997 · Amount on File |
| Deed Document Number | 201293684 |
| Prior Transfer Date | Aug 19, 2004 |
| Prior Transfer Doc | 0000190623 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 106 19th Ave was $10,198.
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 | $689,562 (+2%) Land $344,781 Building $344,781 | |
| 2025 | $10,198.00 | $676,042 Land $338,021 Building $338,021 |
| 2023 | $12,222.00 (+2.43%) | $649,794 Land $324,897 Building $324,897 |
| 2022 | $11,932.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 106 19th Ave in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AH, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 15 policies |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 1 (2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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.
The area around 106 19th Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 423 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 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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