Santa Clara County property record for 250 Mayfield Ave, Mountain View, CA 94043
| Property Type | Bank, Financial Building |
|---|---|
| Details | 8,400 sqft · built 1966 |
| Lot Size | 3.45 acres (150,717 sqft) |
| Owner | Company Name on Record |
| Last Sale | $43,700,000 (Sep 2016) |
| Tax Bill | $1,434,981 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 147-09-052 |
| Primary APN | 147-09-052 |
|---|
| Stories | 1 Story |
|---|---|
| Building Area | 8,400 sqft Total Area |
| Gross Area | 25,200 sqft |
| 1st Floor Area | 33,600 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 150,717 sqft |
| Cooling System | HVAC |
|---|
| Street Address | 250 MAYFIELD AVE |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94043-4124 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Bank, Financial Building |
| Local Zoning Code | P(7) |
| Legal Subdivision | RINCON DE SAN FRANCISQUITO RHO |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 509302 |
Source: Santa Clara County records, as of July 27, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1600 AMPHITHEATRE PKWY, MOUNTAIN VIEW, CA 94043-1351 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 19, 2016 · Amount on Record |
| Deed Sale | Sep 19, 2016 · Amount on Record |
| Prior Sale | May 3, 2012 · Amount on Record |
| Deed Document Number | 201623435755 |
| Prior Transfer Date | Dec 6, 2012 |
| Prior Transfer Doc | 0022005291 |
| Record Updated | Oct 29, 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 | $107,705,461 (-13.84%) Land $14,142,300 Building $93,563,161 | |
| 2025 | $1,434,981.00 (-5.61%) | $125,004,854 (+2.75%) Land $13,927,031 Building $111,077,823 |
| 2024 | $1,520,227.00 | |
| 2023 | $121,653,315 Land $13,386,228 Building $108,267,087 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
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 | 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 588 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| AT&T Fixed Wireless · Fiber, DSL in parts of the area | 100 / 20 |
May also be available: Cruzio, GeoLinks, Sail Internet, T-Mobile.
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