San Mateo County property record for 266 41st Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,760 sqft · built 1941 |
| Lot Size | 0.132 acres (5,746 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $715,000 (Aug 2001) |
| Tax Bill | $14,300 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-222-320 |
| Primary APN | 042-222-320 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,760 sqft Living Area |
| Gross Area | 3,130 sqft |
| 1st Floor Area | 1,470 sqft |
| Basement Area | 1,270 sqft |
| Finished Basement | 900 sqft |
| Unfinished Basement | 370 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Ranch |
| Lot Area | 5,746 sqft (0.132 acres) |
| Lot Dimensions | 95 ft deep x 56 ft wide |
| Garage Type | Basement |
| Garage Area | 370 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 266 41ST AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4304 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 33 BLOCK 10 SAN MATEO KNOLLS RSM 22/8 9 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS |
| Legal Block | 10 |
| Legal Lot Number | 33 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 607100 |
266 41st Ave is owner-occupied and held in a trust since March 2011.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 266 41ST AVE, SAN MATEO, CA 94403-4304 |
| 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 Sale | Aug 10, 2001 · Amount on File |
| Deed Sale | Aug 10, 2001 · Amount on File |
| Prior Sale | Mar 3, 1997 · Amount on File |
| Deed Document Number | 2001123459 |
| Last Transfer Date | Mar 31, 2011 |
| Transfer Doc | 0000042770 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 266 41st Ave was $14,300 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 | $1,077,378 (+2%) Land $538,689 Building $538,689 | ||
| 2025 | $14,300.00 Homeowner's exemption | $1,056,254 Land $528,127 Building $528,127 | |
| 2023 | $14,071.00 Homeowner's exemption | $1,015,240 Land $507,620 Building $507,620 | $1,791,360 |
| 2022 | $14,071.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 266 41st Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 266 41st 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 785 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 | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures