San Mateo County property record for 334 Sonora Dr, San Mateo, CA 94402
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,660 sqft · built 1952 |
| Lot Size | 0.142 acres (6,173 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,275,000 (Sep 2022) |
| Tax Bill | $28,804 (2025) |
| Deeds & Mortgages | Sep 2022 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-221-050 |
| Primary APN | 034-221-050 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,660 sqft Living Area |
| 1st Floor Area | 1,660 sqft |
| Family Room | Family Room |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Lot Area | 6,173 sqft (0.142 acres) |
| Lot Dimensions | 102 ft deep x 60 ft wide |
| Garage Area | 490 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 334 SONORA DR |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2340 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | SWLY 60 FT OF LOT 9 BLOCK 15 ARAGON SUB NO 5 RSM 20/73 74 CITY OF SAN MATEO |
| Legal Subdivision | ARAGON SUB NO 5 |
| Legal Block | 15 |
| Legal Lot Number | 9 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 606500 |
334 Sonora Dr is owned and occupied by two individuals who bought it in September 2022.
Source: San Mateo County records, as of August 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 334 SONORA DR, SAN MATEO, CA 94402-2340 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | Sep 7, 2022 · Amount on File |
| Deed Sale | Sep 7, 2022 · Amount on File |
| Prior Sale | Aug 21, 2015 · Amount on File |
| Deed Document Number | 202265523 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Sep 7, 2022 |
| Property Address | 334 SONORA DR, SAN MATEO, CA 94402-2340 |
| Document Number | 0000065523 |
| Map Reference | MB 20 PG 73&74 |
| Instrument Date | Aug 24, 2022 |
| Instrument | 2022-065523 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $13,877.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 334 SONORA DR, SAN MATEO, CA 94402-2340 |
| Investor | Possibly a Property Investor |
| Document Number | 0000065524 |
|---|---|
| Date | Sep 7, 2022 |
| Instrument | 2022-065524 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2052 |
The 2025 property tax bill for 334 Sonora Dr was $28,804.
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 | $2,414,247 (+2%) Land $1,793,441 Building $620,806 | ||
| 2025 | $28,804.00 | $2,366,910 Land $1,758,276 Building $608,634 | |
| 2023 | $27,715.00 (+12.9%) | $2,275,000 Land $1,690,000 Building $585,000 | $1,977,480 |
| 2022 | $24,549.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 334 Sonora Dr in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1979.
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.
Wildfire risk around 334 Sonora Dr 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 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.
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