Alameda County property record for 6590 Mason Ct, Pleasanton, CA 94588
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,424 sqft · built 1971 |
| Lot Size | 0.184 acres (8,004 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $760,000 (May 2015) |
| Tax Bill | $10,778 (2025) |
| Deeds & Mortgages | Dec 2022 Second Mortgage Oct 2017 Mortgage + 1 more |
| Flood Zone | Zone X (moderate risk) |
| APN | 941-1308-1 |
| Primary APN | 941-1308-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,424 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 8,004 sqft (0.184 acres) |
| Heating System | Forced Air with A/C |
|---|
| Street Address | 6590 MASON CT |
|---|---|
| City | PLEASANTON |
| State | CA |
| Zip | 94588-3828 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: TR: 2953 |
| Legal Subdivision | 2953 VAL VISTA UN 4 |
| Legal Tract | 2953 |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 450603 |
6590 Mason Ct is owned and occupied by two individuals who bought it in May 2015.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 6590 MASON CT, PLEASANTON, CA 94588-3828 |
| 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 |
|---|---|
| Dec 15, 2022 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage DISCOVER BANK |
| Oct 31, 2017 | Deed of Trust, Mortgage · ARM MUFG UNION BANK NA |
| Aug 27, 2020 | Deed of Trust, Mortgage · Conventional Mortgage NATIONAL MTG SVCS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 13, 2015 · Amount on File |
| Deed Sale | May 13, 2015 · Amount on File |
| Deed Document Number | 2015127356 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 6590 MASON CT, PLEASANTON, CA 94588-3828 |
| Transaction Type | Mortgage |
| Record Updated | Jan 12, 2023 |
| Title Company | ACCURATE GROUP |
| Name | Verified Name |
|---|---|
| Address | 6590 MASON CT, PLEASANTON, CA 94588-3828 |
| Document Number | 0000197788 |
|---|---|
| Date | Dec 15, 2022 |
| Instrument | 2022197788 |
| Name | DISCOVER BANK |
|---|---|
| Type | Bank |
| Address | GREENWOOD, DE 19950 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Dec 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 6590 MASON CT, PLEASANTON, CA 94588-3828 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | STEWART TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000240017 |
|---|---|
| Date | Oct 31, 2017 |
| Instrument | 2017240017 |
| Name | MUFG UNION BANK NA |
|---|---|
| Type | Bank |
| Address | SAN DIEGO, CA 92121 |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.62% |
| Type Change Date | Nov 1, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 5.62% |
| Index | 1-Year LIBOR |
| Max Rate | 9.62% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 6590 MASON CT, PLEASANTON, CA 94588-3828 |
| Document Number | 0000222903 |
| Instrument Date | Aug 27, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Oct 29, 2020 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 6590 MASON CT PLEASANTON CA 945883828, PLEASANTON, CA 94588-3828 |
| Document Number | 0000222903 |
|---|---|
| Date | Sep 4, 2020 |
| Instrument | 222903 |
| Name | NATIONAL MTG SVCS |
|---|---|
| Type | Mortgage Company |
| Address | LOS ANGELES, CA 90010 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 3, 2050 |
The 2025 property tax bill for 6590 Mason Ct was $10,778.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Pleasanton City |
| Unified School District | Pleasanton Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $931,637 (+2%) Land $279,491 Building $652,146 | ||
| 2025 | $10,778.00 | $913,374 Land $274,012 Building $639,362 | |
| 2023 | $10,444.00 | $877,913 Land $263,374 Building $614,539 | $1,129,950 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 6590 Mason Ct in Zone X, an area of moderate flood risk, though there have been 4 flood claims nearby since 1982.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 2 in force |
| Nearby Flood Claims | 4 (1982–1998) |
| Claims Outside the SFHA | 1 of 4 |
| Most Recent Claim | Aug 1998 · rainfall accumulation |
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.
Wildfire risk around 6590 Mason Ct is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 629 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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