San Mateo County property record for 3504 Winway, San Mateo, CA 94403 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,270 sqft · built 1948 |
| Lot Size | 0.162 acres (7,068 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,900,000 (Mar 2022) |
| Tax Bill | $20,363 (2025) |
| Deeds & Mortgages | Mar 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-111-020 |
| Primary APN | 042-111-020 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,270 sqft Living Area |
| 1st Floor Area | 1,270 sqft |
| Family Room | Family Room |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 7,068 sqft (0.162 acres) |
| Lot Dimensions | 120 ft deep x 60 ft wide |
| Garage Area | 408 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3504 WINWAY |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4267 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 53 WESTWOOD RSM 26/47 48 CITY OF SAN MATEO |
| Legal Subdivision | WESTWOOD |
| Legal Lot Number | 53 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 607100 |
Source: San Mateo County records · APN 042-111-020
Assessment roll updated July 15, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 3504 WINWAY, SAN MATEO, CA 94403-4267 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 22, 2022 · Amount on Record |
| Deed Sale | Mar 22, 2022 · Amount on Record |
| Deed Document Number | 202224831 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Mar 22, 2022 |
| Property Address | 3504 WINWAY, SAN MATEO, CA 94403-4267 |
| Document Number | 0000024831 |
| Map Reference | MB 26 PG 47&48 |
| Instrument Date | Mar 11, 2022 |
| Instrument | 2022-024831 |
| Transaction Type | Transfer |
| Record Updated | Apr 14, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $10,590.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Address | 3504 WINWAY, SAN MATEO, CA 94403-4267 |
| Document Number | 0000024832 |
|---|---|
| Date | Mar 22, 2022 |
| Instrument | 2022-024832 |
| Name | SAN MATEO CU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Apr 01, 2052 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,650,000 (-) Land $1,389,000 Building $261,000 | ||
| 2025 | $20,363.00 (+18.43%) Homeowner's exemption | $1,650,000 (+18.28%) Land $1,389,000 Building $261,000 | |
| 2023 | $17,194.00 (-14.85%) Homeowner's exemption | $1,395,000 Land $1,175,000 Building $220,000 | $1,473,840 |
| 2022 | $20,193.00 |
Source: FEMA National Flood Hazard Layer, San Mateo County (06081C), updated September 10, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060816071003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (2006) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 2006, rainfall accumulation, Severe Storms, Flooding, Mudslides, And Landslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 716 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Sonic Telecom | Fiber | 10,000 / 10,000 |
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Radiate Holdings | Cable | 1,500 / 50 |
May also be available at this address: T-Mobile USA, AT&T, Etheric Communications, LLC., Radiate Holdings, California Internet. Availability varies by address; speeds are provider-advertised maximums, not measured.
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