Santa Clara County property record for 500 E Middlefield Rd, Mountain View, CA 94043 · Last verified August 2026
| Property Type | Industrial > R&D Facility, Laboratory, Research Facility, Cosmetics, Pharmaceutical |
|---|---|
| Architecture Style | Spanish |
| Year Built | Built 1998 |
| Square Footage | 136,377 sqft Total Area |
| Lot Size | 5.93 acres |
| Tax Bill | $1,019,829.00 (2025) |
| Primary APN | 160-58-016 |
|---|
| Building Area | 136,377 sqft Total Area |
|---|---|
| Stories | 4 Stories |
| Elevator | Elevator |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1998 |
| Architectural Style | Spanish Style |
| Fire Resistance Class | Specialized buildings that do not fit in any of the above categories. |
| Lot Area | 258,746 sqft |
| Cooling System | HVAC Cooling |
|---|
| Street Address | 500 E MIDDLEFIELD RD |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94043-4000 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > R&D Facility, Laboratory, Research Facility, Cosmetics, Pharmaceutical |
| Jurisdiction | SANTA CLARA CA |
| Minor Civil Division | SAN JOSE |
| Census Blockgroup | 4 |
| Census Block | 4006 |
| Census Tract | 509108 |
Source: Santa Clara County records · APN 160-58-016
Assessment roll updated July 27, 2026 · Last verified August 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 File |
|---|---|
| Mailing Address | 1600 AMPHITHEATRE PKWY, MOUNTAIN VIEW, CA 94043-1351 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 20, 2013 |
| Deed Sale | Sep 20, 2013 |
| Deed Doc Number | 201322393213 |
| Prior Transfer Date | Oct 26, 2011 |
| Prior Transfer Doc | 0021418365 |
| Record Refreshed | Sep 20, 2026 |
Source: Santa Clara County records · Assessment roll updated July 27, 2026 · Last verified August 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $89,127,801 (+6.32%) Land $25,882,880 Building $63,244,921 | |
| 2025 | $1,019,829.00 | |
| 2023 | $83,833,325 Land $24,390,017 Building $59,443,308 |
500 E Middlefield Rd is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Santa Clara County (06085C), updated January 18, 2026
| FEMA Flood Zone | Zone X reduced risk due to levee; depends on levee performance |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
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