Alameda County property record for 3520 Cornerstone Ct, Pleasanton, CA 94566
| Property Type | Planned Unit Development |
|---|---|
| Details | 4 bd · 3 ba · 2,211 sqft · built 2018 |
| Lot Size | 0.083 acres (3,657 sqft) |
| Owner | Individual Name on File |
| Last Sale | $1,064,500 (Mar 2018) |
| Tax Bill | $14,176 (2025) |
| Deeds & Mortgages | Jul 2019 Mortgage Jun 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 946-4629-20 |
| Primary APN | 946-4629-20 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,211 sqft Living Area |
| Year Built | Built 2018 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 3,657 sqft (0.083 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3520 CORNERSTONE CT |
|---|---|
| City | PLEASANTON |
| State | CA |
| Zip | 94566-3434 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Planned Unit Development |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 2 |
| Census Block | 2025 |
| Census Tract | 450745 |
3520 Cornerstone Ct, a planned unit development, is owned and occupied by an individual who bought it in March 2018.
Source: Alameda County records, as of October 20, 2025
| Owner of Record | Individual Name on File |
|---|---|
| Co-owner | Co-owner on File |
| Mailing Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jul 29, 2019 | Deed of Trust, Mortgage · Conventional Mortgage BNC NATIONAL BANK |
| Jun 29, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION |
| Nov 20, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MTG CORP ISAOA |
| Mar 23, 2018 | Grant Deed, Subdivision Related Transfer · Conventional Mortgage FLAGSTAR BANK FSB |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 23, 2018 · Amount on File |
| Deed Sale | Mar 23, 2018 · Amount on File |
| Deed Document Number | 2018058840 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Transaction Type | Mortgage |
| Record Updated | Feb 7, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000145414 |
|---|---|
| Date | Jul 29, 2019 |
| Instrument | 2019145414 |
| Name | BNC NATIONAL BANK |
|---|---|
| Type | Mortgage Company |
| Address | GLENDALE, AZ 85308 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 238 Months |
| Due | May 1, 2039 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0000149984 |
|---|---|
| Date | Jun 29, 2020 |
| Instrument | 2020149984 |
| Name | BETTER MORTGAGE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | NEW YORK, NY 10271 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Jul 1, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Document Number | 0000331684 |
| Instrument Date | Nov 20, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 12, 2021 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 3520 CORNERSTONE CT PLEASANTON CA 945663434, PLEASANTON, CA 94566-3434 |
| Document Number | 0000331684 |
|---|---|
| Date | Dec 2, 2020 |
| Instrument | 331684 |
| Name | BETTER MTG CORP ISAOA |
|---|---|
| Address | NEW YORK, NY 10271 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 180 Months |
| Due | Dec 1, 2035 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 23, 2018 |
| Property Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Document Number | 0000058840 |
| Map Reference | MB 341 PG 70-77 |
| Instrument Date | Feb 20, 2018 |
| Instrument | 2018058840 |
| Transaction Type | Subdivision Related Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 3520 CORNERSTONE CT, PLEASANTON, CA 94566-3434 |
| Document Number | 0000058841 |
|---|---|
| Date | Mar 23, 2018 |
| Instrument | 2018058841 |
| Name | FLAGSTAR BANK FSB |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2048 |
The 2025 property tax bill for 3520 Cornerstone Ct was $14,176 with a homeowner's exemption.
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Pleasanton City |
| Unified School District | Pleasanton Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $14,176.00 Homeowner's exemption | $1,210,970 Land $363,302 Building $847,668 |
| 2023 | $13,734.00 Homeowner's exemption | $1,163,950 Land $349,196 Building $814,754 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3520 Cornerstone Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 3520 Cornerstone Ct has no burnable land within ember reach, so its wildfire risk is not rated.
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 PLEASANTON serves 76,689 people · EPA ID CA0110008 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | May 2024 |
| 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.
Source: FCC Broadband Data Collection, based on 226 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fixed Wireless in parts of the area | 100 / 20 |
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