San Mateo County property record for 522 Sonora Ave, El Granada, CA 94018
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,440 sqft · built 1968 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,902 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 047-071-160 |
| Primary APN | 047-071-160 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,440 sqft Living Area |
| 1st Floor Area | 1,440 sqft |
| 2nd Floor Area | 675 sqft |
| Family Room | Family Room |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1968 |
| Lot Area | 5,500 sqft (0.126 acres) |
| Lot Dimensions | 110 ft deep x 50 ft wide |
| Garage Area | 410 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 522 SONORA AVE |
|---|---|
| City | EL GRANADA |
| State | CA |
| Zip | 94018-8122 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 3 BLK 87 SUB NO 8 OF GRANADA RSM 6/65 |
| Legal Subdivision | SUB NO 8 OF GRANADA |
| Legal Block | 87 |
| Legal Lot Number | 3 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 613502 |
522 Sonora Ave is owner-occupied and held in a trust since August 2004.
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | PO BOX 546, EL GRANADA, CA 94018-0546 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Aug 18, 2004 |
| Transfer Doc | 0000016904 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 522 Sonora Ave was $6,902 with a homeowner's exemption.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| County | San Mateo County |
| Unified School District | Cabrillo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $510,049 (+2%) Land $11,221 Building $498,828 | ||
| 2025 | $6,902.00 Homeowner's exemption | $500,049 Land $11,001 Building $489,048 | |
| 2023 | $1,892.00 (+6.17%) Homeowner's exemption | $90,437 Land $10,575 Building $79,862 | $1,212,210 |
| 2022 | $1,782.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 522 Sonora Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2022.
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 |
| Flood Insurance Cost | Premium on File median of 10 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 1 (2022) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 522 Sonora Ave is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect 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 | COASTSIDE COUNTY WATER DISTRICT serves 19,033 people · EPA ID CA4110011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2023 |
| Lead | 2 ppb (2022–2024) 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 398 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
May also be available: AT&T, Verizon.
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