San Mateo County property record for 283 41st Ave, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 900 sqft · built 1955 |
| Lot Size | 0.117 acres (5,112 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $5,087 (2025) |
| Deeds & Mortgages | Jan 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-224-010 |
| Primary APN | 042-224-010 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 900 sqft Living Area |
| 1st Floor Area | 900 sqft |
| Family Room | Family Room |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Lot Area | 5,112 sqft (0.117 acres) |
| Lot Dimensions | 100 ft deep x 51 ft wide |
| Garage Area | 250 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 283 41ST AVE |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4303 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 15 BLOCK 12 SAN MATEO KNOLLS RSM 22/8 9 CITY OF SAN MATEO |
| Legal Subdivision | SAN MATEO KNOLLS |
| Legal Block | 12 |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 607100 |
283 41st Ave is owner-occupied and held in a trust since June 2009.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 283 41ST AVE, SAN MATEO, CA 94403-4303 |
| 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 | Jun 19, 2009 |
| Transfer Doc | 0000123596 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 283 41ST AVE, SAN MATEO, CA 94403-4303 |
| Document Number | 0000007137 |
| Instrument Date | Jan 5, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Aug 31, 2018 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 283 41ST AVE SAN MATEO CA 944034303, SAN MATEO, CA 94403-4303 |
| Document Number | 0000007137 |
|---|---|
| Date | Feb 2, 2018 |
| Instrument | 7137 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|
The 2025 property tax bill for 283 41st Ave was $5,087 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 | $320,318 (+2%) Land $211,313 Building $109,005 | ||
| 2025 | $5,087.00 Homeowner's exemption | $314,038 Land $207,170 Building $106,868 | |
| 2023 | $4,672.00 (+3.02%) Homeowner's exemption | $301,847 Land $199,126 Building $102,721 | $1,046,160 |
| 2022 | $4,535.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 283 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.
Wildfire risk around 283 41st Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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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