San Mateo County property record for 342 41st Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,090 sqft · built 1946 |
| Lot Size | 0.295 acres (12,834 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $628,000 (Jun 2004) |
| Tax Bill | $3,909 (2025) |
| Deeds & Mortgages | Apr 2020 Mortgage Apr 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-191-210 |
| Primary APN | 042-191-210 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Building Area | 2,090 sqft Living Area |
| Gross Area | 2,410 sqft |
| 1st Floor Area | 1,480 sqft |
| 2nd Floor Area | 610 sqft |
| Basement Area | 320 sqft |
| Family Room | Family Room |
| Year Built | Built 1946 |
|---|---|
| Effective Year Built | Effective 1946 |
| Lot Area | 12,834 sqft (0.295 acres) |
| Lot Dimensions | 148 ft deep x 85 ft wide |
| Garage Area | 410 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 342 41ST AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4306 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 3 BLOCK 13 SAN MATEO KNOLLS RSM 22/8 9 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS |
| Legal Block | 13 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 607100 |
342 41st Ave is owned and occupied by two individuals who acquired it in January 2014.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 342 41ST AVE, SAN MATEO, CA 94403-4306 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Tenants in Common |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Apr 9, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Apr 21, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 17, 2004 · Amount on File |
| Deed Sale | Jun 17, 2004 · Amount on File |
| Deed Document Number | 2004126035 |
| Last Transfer Date | Jan 31, 2014 |
| Transfer Doc | 0000037013 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 342 41ST AVE, SAN MATEO, CA 94403-4306 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2021 |
| Title Company | ORANGE COAST TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000032458 |
|---|---|
| Date | Apr 9, 2020 |
| Instrument | 2020-032458 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | May 1, 2040 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 342 41ST AVE, SAN MATEO, CA 94403-4306 |
| Transaction Type | Mortgage |
| Record Updated | May 25, 2021 |
| Title Company | PLACER TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 342 41ST AVE, SAN MATEO, CA 94403-4306 |
| Document Number | 0000063375 |
|---|---|
| Date | Apr 21, 2021 |
| Instrument | 2021-063375 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | May 1, 2051 |
The 2025 property tax bill for 342 41st Ave was $3,909 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 | $147,365 (+2%) Land $40,029 Building $107,336 | ||
| 2025 | $3,909.00 Homeowner's exemption | $144,477 Land $39,245 Building $105,232 | |
| 2023 | $3,509.00 (+9.72%) Homeowner's exemption | $138,869 Land $37,722 Building $101,147 | $1,511,640 |
| 2022 | $3,198.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 342 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 342 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.
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