San Mateo County property record for 851 Viewridge Dr, San Mateo, CA 94403
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 2,330 sqft · built 1965 |
| Lot Size | 0.559 acres (24,355 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $15,581 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 042-271-150 |
| Primary APN | 042-271-150 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,330 sqft Living Area |
| 1st Floor Area | 2,330 sqft |
| Fireplaces | 2 Fireplaces |
| Fireplace | Fireplace |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 24,355 sqft (0.559 acres) |
| Lot Dimensions | 240 ft deep x 100 ft wide |
| Terrain | Above Road/Slope |
| View / Lot | Cul-De-Sac |
| Garage Area | 500 sqft |
| Parking Spaces | 500 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 851 VIEWRIDGE DR |
|---|---|
| City | SAN MATEO |
| State | CA |
| Zip | 94403-4039 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10006 |
| Legal Description | LOT 15 SUMMIT HEIGHTS RSM 54/41 |
| Legal Subdivision | SUMMIT HEIGHTS |
| Legal Lot Number | 15 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 607000 |
851 Viewridge Dr is held in a trust since July 2016.
Source: San Mateo County records, as of July 15, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 851 VIEWRIDGE DR, SAN MATEO, CA 94403-4039 |
| Owner Type | Company |
| Vesting | Trust |
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 Transfer Date | Jul 18, 2016 |
| Transfer Doc | 0000070403 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 851 Viewridge Dr was $15,581.
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 | $1,183,782 (+2%) Land $513,237 Building $670,545 | ||
| 2025 | $15,581.00 | $1,160,572 Land $503,174 Building $657,398 | |
| 2023 | $15,084.00 (+1.79%) | $1,115,508 Land $483,636 Building $631,872 | $2,170,620 |
| 2022 | $14,819.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 851 Viewridge Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1982.
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 | 1 in force |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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 851 Viewridge Dr is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 572 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: T-Mobile.
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