San Mateo County property record for 331 Sonora Ave, El Granada, CA 94018
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,580 sqft · built 1998 |
| Lot Size | 0.126 acres (5,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $915,000 (Oct 2016) |
| Tax Bill | $13,500 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 047-091-070 |
| Primary APN | 047-091-070 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,580 sqft Living Area |
| 1st Floor Area | 1,580 sqft |
| Family Room | Family Room |
| Year Built | Built 1998 |
|---|---|
| Effective Year Built | Effective 1998 |
| Lot Area | 5,500 sqft (0.126 acres) |
| Lot Dimensions | 110 ft deep x 50 ft wide |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 331 SONORA AVE |
|---|---|
| City | EL GRANADA |
| State | CA |
| Zip | 94018-8040 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 21 BLOCK 64 SUB NO 5 OF GRANADA RSM 6/50 |
| Legal Subdivision | SUB NO 5 OF GRANADA |
| Legal Block | 64 |
| Legal Lot Number | 21 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | HALF MOON BAY |
| Census Block Group | 4 |
| Census Block | 4020 |
| Census Tract | 613502 |
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 AVE, EL GRANADA, CA 94018-8040 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 26, 2016 · Amount on Record |
| Deed Sale | Oct 26, 2016 · Amount on Record |
| Prior Sale | Sep 6, 2013 · Amount on Record |
| Deed Document Number | 2016111558 |
| Prior Transfer Date | Jul 14, 2006 |
| Prior Transfer Doc | 0000136223 |
| Record Updated | Oct 29, 2026 |
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 | $1,083,168 (+2%) Land $728,032 Building $355,136 | ||
| 2025 | $13,500.00 (+11.21%) | $1,061,930 (+4.04%) Land $713,757 Building $348,173 | |
| 2023 | $12,139.00 (+2.11%) | $1,020,696 Land $686,042 Building $334,654 | $1,294,110 |
| 2022 | $11,888.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Record median of 10 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 10 in force |
| Nearby Flood Claims | 2 (1998–2017) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Feb 2017 · Severe Winter Storms, Flooding, 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% 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 193 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.
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