San Mateo County property record for 331 Sonora Dr, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,990 sqft · built 1936 |
| Lot Size | 0.148 acres (6,450 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $2,510,000 (Nov 2025) |
| Tax Bill | $3,009 (2025) |
| Deeds & Mortgages | Nov 2025 Sale & Mortgage Sep 2020 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-222-060 |
| Primary APN | 034-222-060 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,990 sqft Living Area |
| Gross Area | 2,370 sqft |
| 1st Floor Area | 1,510 sqft |
| 2nd Floor Area | 480 sqft |
| Basement Area | 380 sqft |
| Family Room | Family Room |
| Study | Study |
| Year Built | Built 1936 |
|---|---|
| Effective Year Built | Effective 1936 |
| Lot Area | 6,450 sqft (0.148 acres) |
| Lot Dimensions | 107 ft deep x 60 ft wide |
| Garage Type | Basement |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 331 SONORA DR |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2339 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 8 BLOCK 16 ARAGON SUB NO 5 RSM 20/73 74 CITY OF SAN MATEO |
| Legal Subdivision | ARAGON SUB NO 5 |
| Legal Block | 16 |
| Legal Lot Number | 8 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 606500 |
Source: San Mateo County records, as of July 15, 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 Record |
|---|---|
| Mailing Address | 331 SONORA DR, SAN MATEO, CA 94402-2339 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Nov 19, 2025 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Sep 17, 2020 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 19, 2025 · Amount on Record |
| Deed Sale | Nov 19, 2025 · Amount on Record |
| Deed Document Number | 202563021 |
| Prior Transfer Date | Sep 3, 2020 |
| Prior Transfer Doc | 0000096745 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Nov 19, 2025 |
| Property Address | 331 SONORA DR, SAN MATEO, CA 94402-2339 |
| Document Number | 0000063021 |
| Map Reference | MB 20 PG 73&74 |
| Instrument Date | Nov 12, 2025 |
| Instrument | 2025-063021 |
| Transaction Type | Transfer |
| Record Updated | Dec 18, 2025 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $15,311.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 331 SONORA DR, SAN MATEO, CA 94402-2339 |
| Document Number | 0000063022 |
|---|---|
| Date | Nov 19, 2025 |
| Instrument | 2025-063022 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2055 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.25% |
| Type Change Date | Dec 1, 2032 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3.25% |
| Max Rate At Change | 7.25% |
| Index | SOFR Average 30-Day |
| Max Rate | 10.2% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 17, 2020 |
| Property Address | 331 SONORA DR, SAN MATEO, CA 94402-2339 |
| Document Number | 0000096745 |
| Instrument Date | Sep 3, 2020 |
| Instrument | 96745 |
| Transaction Type | Transfer |
| Record Updated | Oct 22, 2020 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 331 SONORA DR SAN MATEO CA 944022339, SAN MATEO, CA 94402-2339 |
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 | $2,510,000 (+1,058.01%) Land $1,816,000 Building $694,000 | ||
| 2025 | $3,009.00 (+10.91%) Veteran's exemption | $216,751 (+4.04%) Land $57,735 Building $159,016 | |
| 2024 | $2,713.00 (+40.21%) | ||
| 2023 | $1,935.00 (-21.41%) Veteran's exemption | $208,337 Land $55,494 Building $152,843 | $2,256,750 |
| 2022 | $2,462.00 |
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.
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 | 2 in force |
| Nearby Flood Claims | 2 (1979–1998) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
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: 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 727 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures