Santa Clara County property record for 847 Riverside Dr, Los Altos, CA 94024
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,436 sqft · built 1955 |
| Lot Size | 0.25 acres (10,906 sqft) |
| Owner | Company Name on File |
| Last Sale | $3,455,000 (Jun 2024) |
| Tax Bill | $41,451 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 189-43-020 |
| Primary APN | 189-43-020 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,436 sqft Living Area |
| 1st Floor Area | 1,216 sqft |
| 2nd Floor Area | 220 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 10,906 sqft (0.25 acres) |
| Lot Dimensions | 133 ft deep x 82 ft wide |
| Garage Area | 468 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Type | Pool with Hot Tub/Spa |
| Pool Area | 7,289 sqft |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 847 RIVERSIDE DR |
|---|---|
| City | LOS ALTOS |
| State | CA |
| Zip | 94024-4824 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R110 |
| Legal Description | TRACT 372 LOS A BOOK 13 PAGE 31 LOT 75 |
| Legal Subdivision | LOS ALTOS RANCHO |
| Legal Tract | 372 |
| Legal Lot Number | 75 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 510200 |
847 Riverside Dr is owned by a company that bought it in June 2024.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 847 RIVERSIDE DR, LOS ALTOS, CA 94024-4824 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
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 | Name on Deed |
|---|---|
| Last Sale | Jun 7, 2024 · Amount on File |
| Deed Sale | Jun 7, 2024 · Amount on File |
| Deed Document Number | 202425646948 |
| Prior Transfer Date | Aug 22, 1998 |
| Prior Transfer Doc | 0014372403 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 847 Riverside Dr was $41,451.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Los Altos City |
| Elementary School District | Los Altos Elementary School District (KG - 08) |
| Secondary School District | Mountain View-Los Altos Union School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $3,524,100 (+2%) Land $3,366,000 Building $158,100 | |
| 2025 | $41,451.00 | $3,455,000 Land $3,300,000 Building $155,000 |
| 2023 | $6,276.00 (+1.31%) Homeowner's exemption | $501,138 Land $251,089 Building $250,049 |
| 2022 | $6,195.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 847 Riverside Dr in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 2 (1995–1998) |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
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 847 Riverside 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 97% of the US · lower than 97.8% 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 | CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Lead | 2 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 503 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
May also be available: T-Mobile.
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