San Mateo County property record for 3501 Winway, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,690 sqft · built 1949 |
| Lot Size | 0.17 acres (7,422 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $10,516 (2025) |
| Deeds & Mortgages | Sep 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-112-010 |
| Primary APN | 042-112-010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,690 sqft Living Area |
| Gross Area | 3,030 sqft |
| 1st Floor Area | 1,440 sqft |
| Basement Area | 600 sqft |
| Finished Basement | 260 sqft |
| Unfinished Basement | 340 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Lot Area | 7,422 sqft (0.17 acres) |
| Lot Dimensions | 100 ft deep x 68 ft wide |
| View / Lot | Corner |
| Garage Type | Basement |
| Garage Area | 340 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 3501 WINWAY |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4212 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | 50.09 FT ON WINWOOD WAY X 141.14 FT ON HACIENDA ST PTN OF LOTS 33 & 34 WESTWOOD RSM 26/47 48 CITY OF SAN MATEO |
| Legal Subdivision | WESTWOOD |
| Legal Lot Number | 33,34 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 607200 |
3501 Winway is owner-occupied and held in a trust since July 2012.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3501 WINWAY, SAN MATEO, CA 94403-4212 |
| Occupancy | Owner Occupied |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jul 5, 2012 |
| Transfer Doc | 0000100336 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 3501 WINWAY, SAN MATEO, CA 94403-4212 |
| Transaction Type | Mortgage |
| Record Updated | Oct 26, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 3501 WINWAY, SAN MATEO, CA 94403-4212 |
| Document Number | 0000139347 |
|---|---|
| Date | Sep 30, 2021 |
| Instrument | 2021-139347 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 171 Months |
| Due | Dec 1, 2035 |
The 2025 property tax bill for 3501 Winway was $10,516 with a homeowner's exemption.
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 | $834,393 (+2%) Land $354,097 Building $480,296 | ||
| 2025 | $10,516.00 Homeowner's exemption | $818,033 Land $347,154 Building $470,879 | |
| 2023 | $10,526.00 (+0.53%) Homeowner's exemption | $786,271 Land $333,675 Building $452,596 | $2,487,060 |
| 2022 | $10,471.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3501 Winway in Zone X, an area of minimal flood risk.
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 | 1 in force |
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 3501 Winway 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 716 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, GeoLinks, T-Mobile.
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