San Mateo County property record for 422 E 16th Ave, San Mateo, CA 94402
| Property Type | Quadplex |
|---|---|
| Details | 5 bd · 4 ba · 3,964 sqft · built 1961 |
| Lot Size | 0.11 acres (4,801 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,675,000 (Apr 2025) |
| Tax Bill | $22,654 (2025) |
| Deeds & Mortgages | Jun 2020 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 035-072-050 |
| Primary APN | 035-072-050 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 13 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,964 sqft Living Area |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Quadruplex |
| Lot Area | 4,801 sqft (0.11 acres) |
| Lot Dimensions | 96 ft deep x 50 ft wide |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 422 E 16TH AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2179 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT 5 BLOCK 24A SUNNYBRAE MAP NO 3 RSM 26/11 12 13 CITY OF SAN MATEO |
| Legal Subdivision | SUNNYBRAE MAP NO 3 |
| Legal Block | 24A |
| Legal Lot Number | 5 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 607600 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 340 ESTRELLA WAY, SAN MATEO, CA 94403-2941 |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 18, 2025 · Amount on Record |
| Deed Sale | Apr 18, 2025 · Amount on Record |
| Prior Sale | Jun 23, 2009 · Amount on Record |
| Deed Document Number | 202518823 |
| Prior Transfer Date | Feb 3, 2020 |
| Prior Transfer Doc | 0000060206 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 26, 2020 |
| Property Address | 422 E 16TH AVE, SAN MATEO, CA 94402-2179 |
| Document Number | 0000060206 |
| Instrument Date | Feb 3, 2020 |
| Instrument | 60206 |
| Transaction Type | Transfer |
| Record Updated | Jul 24, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 2751 SUMMIT DR HILLSBOROUGH CA 940106039, HILLSBOROUGH, CA 94010-6039 |
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 | $1,708,500 (+38.2%) Land $1,377,000 Building $331,500 | |
| 2025 | $22,654.00 (+5.07%) | $1,236,236 (+4.04%) Land $618,118 Building $618,118 |
| 2023 | $21,561.00 (+11.42%) | $1,188,234 Land $594,117 Building $594,117 |
| 2022 | $19,351.00 |
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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
| Nearby Flood Claims | 1 (2010) |
| Most Recent Claim | Feb 2010 · 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 797 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 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, Sonic Telecom, Unwired, Verizon.
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