Santa Clara County property record for 521 Preston Dr, Mountain View, CA 94040
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,248 sqft · built 1971 |
| Lot Size | 0.184 acres (8,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $2,420,000 (Oct 2015) |
| Tax Bill | $33,699 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Jun 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 197-23-025 |
| Primary APN | 197-23-025 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,248 sqft Living Area |
| 1st Floor Area | 1,352 sqft |
| 2nd Floor Area | 896 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | L-Shape |
| Exterior Material | Wood |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 8,000 sqft (0.184 acres) |
| Lot Dimensions | 100 ft deep x 80 ft wide |
| Garage Area | 462 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | None |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 521 PRESTON DR |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94040-4433 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1-8L |
| Legal Description | TRACT 4933 WAVERLY PARK BOOK 279 PAGE 31 LOT 190 |
| Legal Subdivision | WAVERLY PARK |
| Legal Tract | 4933 |
| Legal Lot Number | 190 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 509902 |
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 | 521 PRESTON DR, MOUNTAIN VIEW, CA 94040-4433 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| May 24, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BANK OF AMERICA NA |
| Jun 15, 2017 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 2, 2015 · Amount on Record |
| Deed Sale | Oct 2, 2015 · Amount on Record |
| Deed Document Number | 201523097247 |
| Last Transfer Date | Jun 1, 2017 |
| Transfer Doc | 0023675184 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Property Address | 521 PRESTON DR, MOUNTAIN VIEW, CA 94040-4433 |
| Transaction Type | Mortgage |
| Record Updated | Jun 2, 2021 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 521 PRESTON DR, MOUNTAIN VIEW, CA 94040-4433 |
| Document Number | 0024970862 |
|---|---|
| Date | May 24, 2021 |
| Instrument | 24970862 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | SANTA CLARA CA |
| Recording Date | Jun 15, 2017 |
| Property Address | 521 PRESTON DR, MOUNTAIN VIEW, CA 94040-4433 |
| Document Number | 0023675184 |
| Instrument Date | Jun 1, 2017 |
| Instrument | 23675184 |
| Transaction Type | Transfer |
| Record Updated | Jun 27, 2017 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 521 PRESTON DR MOUNTAIN VIEW CA 940404433, MOUNTAIN VIEW, CA 94040-4433 |
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 | $2,922,079 (+2%) Land $2,173,449 Building $748,630 | |
| 2025 | $33,699.00 (+3.7%) | $2,864,784 (+4.04%) Land $2,130,833 Building $733,951 |
| 2023 | $32,498.00 (+0.26%) | $2,753,542 Land $2,048,091 Building $705,451 |
| 2022 | $32,413.00 |
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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 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 | 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 588 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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