Santa Clara County property record for 850 Williams Way, Mountain View, CA 94040
| Property Type | Triplex |
|---|---|
| Details | 3,759 sqft · built 1964 |
| Lot Size | 0.183 acres (8,000 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,700,000 (Mar 2021) |
| Tax Bill | $34,609 (2025) |
| Deeds & Mortgages | Mar 2021 Sale Apr 2019 Mortgage + 2 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 198-07-018 |
| Primary APN | 198-07-018 |
|---|
| Units | 3 Units |
|---|---|
| Stories | 2 Stories |
| Building Area | 3,759 sqft Total Area |
| Fireplace | Fireplace |
| Elevator | Elevator |
| Year Built | Built 1964 |
|---|---|
| Architectural Style | Spanish |
| Construction Type | Wood |
| Lot Area | 8,000 sqft (0.183 acres) |
| Lot Dimensions | 100 ft deep x 80 ft wide |
| Cooling System | None |
|---|
| Street Address | 850 WILLIAMS WAY |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94040-3438 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R3-1* |
| Legal Description | TR 2865 LOT 32 |
| Legal Subdivision | GOLF COURSE ESTATES |
| Legal Tract | 2865 |
| Legal Lot Number | 32 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 509110 |
Source: Santa Clara County records · APN 198-07-018
Assessment roll updated July 1, 2025 · Last verified October 2025
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 |
|---|---|
| Co-owner | 2 Verified Secondary Owners |
| Mailing Address | 840 MADONNA WAY, LOS ALTOS, CA 94024-4619 |
| Owner Type | Company, Secondary Individual |
| Vesting | Trust |
| Date | Document |
|---|---|
| Mar 23, 2021 | Grant Deed, Transfer OLD REPUBLIC TITLE COMPANY |
| Apr 29, 2019 | Deed of Trust, Mortgage BANK OF AMERICA |
| May 30, 2018 | Quit Claim Deed, Transfer BANK OF AMERICA |
| Apr 02, 2018 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | 3 Verified Names on Deed |
|---|---|
| Last Sale | Mar 23, 2021 · Amount on Record |
| Deed Sale | Mar 23, 2021 · Amount on Record |
| Prior Sale | May 30, 2018 |
| Deed Document Number | 24886511 |
| Record Updated | Jun 08, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Mar 23, 2021 |
| Property Address | 850 WILLIAMS WAY, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 0024886511 |
| Map Reference | MB 160 PG 42 |
| Instrument Date | Mar 19, 2021 |
| Instrument | 24886511 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 840 MADONNA WAY, LOS ALTOS, CA 94024-4619 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Property Address | 850 WILLIAMS WAY, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 0024171996 |
| Instrument Date | Apr 29, 2019 |
| Transaction Type | Mortgage |
| Record Updated | May 15, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 850 WILLIAMS WAY #1 MOUNTAIN VIEW CA 940403438, 1, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 0024171996 |
|---|---|
| Date | May 06, 2019 |
| Instrument | 24171996 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | 101 S TRYON ST, CHARLOTTE, NC 28280-0002 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | May 05, 2049 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | May 30, 2018 |
| Property Address | 850 WILLIAMS WAY, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 0023943824 |
| Instrument Date | May 17, 2018 |
| Instrument | 23943824 |
| Transaction Type | Transfer |
| Record Updated | Jun 08, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 850 WILLIAMS WAY MOUNTAIN VIEW CA 940403438, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 23943825 |
|---|---|
| Date | May 30, 2018 |
| Instrument | 23943825 |
| Name | BANK OF AMERICA |
|---|---|
| Type | Bank |
| Address | 101 S TRYON ST, CHARLOTTE, NC 28280-0002 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | May 29, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4.12% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Apr 02, 2018 |
| Property Address | 850 WILLIAMS WAY, MOUNTAIN VIEW, CA 94040-3438 |
| Document Number | 0023900680 |
| Instrument Date | Mar 16, 2018 |
| Instrument | 23900680 |
| Transaction Type | Transfer |
| Record Updated | Apr 09, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $566.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 850 WILLIAMS WAY MOUNTAIN VIEW CA 940403438, MOUNTAIN VIEW, CA 94040-3438 |
Source: Santa Clara County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| 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 |
|---|---|---|
| 2025 | $34,609.00 (+4.36%) | $2,922,565 (+4.04%) Land $2,056,620 Building $865,945 |
| 2023 | $33,164.00 (+0.26%) | $2,809,080 Land $1,976,760 Building $832,320 |
| 2022 | $33,077.00 |
Source: FEMA National Flood Hazard Layer as of January 18, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: California Internet.
Based on FCC filings for 534 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CWSC LOS ALTOS SUBURBAN private · serves 63,559 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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