Santa Clara County property record for 464 Ellis St, Mountain View, CA 94043
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 194,500 sqft · built 1997 |
| Lot Size | 9.91 acres (432,000 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $540,357 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 160-53-018 |
| Primary APN | 160-53-018 |
|---|
| Stories | 2 Stories |
|---|---|
| Building Area | 194,500 sqft Total Area |
| Elevator | Elevator |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Lot Area | 432,000 sqft |
| Cooling System | HVAC |
|---|
| Street Address | 464 ELLIS ST |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94043-2237 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Local Zoning Code | ML |
| Legal Subdivision | ELLIS MIDDLEFIELD INDUSTRIAL PARK |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 4 |
| Census Block | 4013 |
| Census Tract | 509108 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 529 ALMA ST, PALO ALTO, CA 94301-1602 |
| Owner Type | Company |
| Vesting | Partnership |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Mountain View City |
| Elementary School District | Mountain View Whisman Elementary School District (KG - 08) |
| Secondary School District | Mountain View-Los Altos Union School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $46,603,347 (+6.12%) Land $12,635,284 Building $33,968,063 | |
| 2025 | $540,357.00 | |
| 2023 | $43,915,378 Land $11,906,512 Building $32,008,866 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land 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 | CITY OF MOUNTAIN VIEW serves 81,340 people · EPA ID CA4310007 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 53 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Starlink Satellite | 280 / 30 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 25 / 3 |
May also be available: Astound Broadband, Etheric Networks, GeoLinks, Sail Internet, T-Mobile, Tekify Fiber & Wireless, Verizon, Xfinity.
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