San Mateo County property record for 421 Sonora Dr, San Mateo, CA 94402 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1939 |
| Square Footage | 1,690 sqft Living Area |
| Lot Size | 5,913 sqft (0.136 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $2,500,000 (2021) |
| Tax Bill | $30,093.00 (2025) |
| Primary APN | 034-212-110 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Building Area | 1,690 sqft Living Area |
| 1st Floor | 1,290 sqft 1st Floor |
| Family Room | Family Room |
| Stories | 1 Stories |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1939 |
| Lot Area | 5,913 sqft (0.136 acres) |
| Depth X Width | 107 ft x 55 ft Depth x Width |
| Parking Spaces | 1 Parking Spaces |
| Garage Area | 290 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Central Heating |
| Street Address | 421 SONORA DR |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94402-2341 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SWLY 32 FT OF LOT 6 BLOCK 22 NELY 23 FT OF LOT 7 BLOCK 22 ARAGON SUB NO 5 RSM 20/73 74 CITY OF SAN MATEO |
| Legal Subdivision | ARAGON SUB NO 5 |
| Legal Block | 22 |
| Legal Lot Number | 6,7 |
| Jurisdiction | SAN MATEO CA |
| Minor Civil Division | SAN MATEO |
| Census Blockgroup | 3 |
| Census Block | 3007 |
| Census Tract | 606500 |
Source: San Mateo County records · APN 034-212-110
Assessment roll updated July 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is a Company |
| Vesting | Owner is a Trust, Trust |
| Date | Document |
|---|---|
| Jun 21, 2023 | Intrafamily Transfer, Transfer |
| Aug 18, 2021 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA |
| Jun 08, 2021 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 08, 2021 · Amount on Record |
| Deed Sale | Jun 08, 2021 · Amount on Record |
| Deed Doc Number | 202188261 |
| Prior Transfer Date | Aug 15, 2007 |
| Prior Transfer Doc | 0000127025 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 21, 2023 |
| Property Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Document Number | 0000029537 |
| Map Reference | MB 20 PG 73&74 |
| Instrument Date | Jun 12, 2023 |
| Instrument | 2023-029537 |
| Transaction Type | Transfer |
| Record Updated | Jul 20, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Property Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Transaction Type | Mortgage |
| Record Updated | Oct 18, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Document Number | 0000120738 |
|---|---|
| Date | Aug 18, 2021 |
| Instrument | 2021-120738 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2% |
| Type Change Date | Sep 01, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 4% |
| Index | Other |
| Max Rate | 7% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SAN MATEO CA |
| Recording Date | Jun 08, 2021 |
| Property Address | 421 SONORA DR, SAN MATEO, CA 94402-2341 |
| Document Number | 0000088261 |
| Map Reference | MB 20 PG 73&74 |
| Instrument Date | Jun 03, 2021 |
| Instrument | 2021-088261 |
| Transaction Type | Transfer |
| Record Updated | Oct 18, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $15,250.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1310 ENCINA DR, MILLBRAE, CA 94030-2840 |
Source: San Mateo County records · Assessment roll updated July 15, 2026 · Last verified July 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) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,550,000 (-) Land $1,785,000 Building $765,000 | ||
| 2025 | $30,093.00 (-1.97%) Homeowner's exemption | $2,550,000 (-1.96%) Land $1,785,000 Building $765,000 | |
| 2023 | $30,698.00 (+0.64%) Homeowner's exemption | $2,601,000 (+2%) Land $1,820,700 Building $780,300 | $2,343,960 |
| 2022 | $30,502.00 Homeowner's exemption | $2,550,000 Land $1,785,000 Building $765,000 |
421 Sonora Dr is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · San Mateo County (06081C), updated September 10, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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