Alameda County property record for 321 Diamond Ct, Pleasanton, CA 94566
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 3,208 sqft · built 1995 |
| Lot Size | 0.199 acres (8,705 sqft) |
| Owner | Owner Name on File |
| Last Sale | $1,075,000 (Jun 2009) |
| Tax Bill | $16,203 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage Nov 2020 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 949-2-17 |
| Primary APN | 949-2-17 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,208 sqft Living Area |
| Year Built | Built 1995 |
|---|---|
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 8,705 sqft (0.199 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 321 DIAMOND CT |
|---|---|
| City | PLEASANTON |
| State | CA |
| Zip | 94566-7778 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 6142 LOT 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 450701 |
Source: Alameda County records · APN 949-2-17
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 | Owner Name on File |
|---|---|
| Mailing Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Occupancy | Owner Occupied |
| Date | Document |
|---|---|
| Nov 29, 2021 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Nov 13, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Aug 30, 2019 | Deed of Trust, Mortgage QUICKEN LNS |
| Nov 17, 2018 | Deed of Trust, Mortgage QUICKEN LNS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 08, 2009 · Amount on Record |
| Deed Sale | Jun 08, 2009 · Amount on Record |
| Prior Sale | Mar 05, 2014 |
| Deed Document Number | 0000179600 |
| Last Transfer Date | Sep 08, 2014 |
| Transfer Doc | 0000220006 |
| Record Updated | Jun 07, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Transaction Type | Mortgage |
| Record Updated | Dec 24, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Document Number | 0000382068 |
|---|---|
| Date | Nov 29, 2021 |
| Instrument | 2021382068 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.5% |
| Type Change Date | Dec 01, 2028 |
| Change Frequency | 6 Months |
| Min Rate At Change | 3% |
| Max Rate At Change | 7.5% |
| Index | Other |
| Margin | 3 |
| Max Rate | 7.5% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Name | Verified Name |
|---|---|
| Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Document Number | 0000309074 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 2020309074 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 358 Months |
| Due | Sep 01, 2050 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.75% |
| Type Change Date | Sep 01, 2027 |
| Change Frequency | Annually |
| Min Rate At Change | 2.25% |
| Max Rate At Change | 7.75% |
| Index | 1-Year LIBOR |
| Max Rate | 7.75% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Document Number | 0000179646 |
| Instrument Date | Aug 30, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 04, 2019 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
| Address | 321 DIAMOND CT PLEASANTON CA 945667778, PLEASANTON, CA 94566-7778 |
| Document Number | 0000179646 |
|---|---|
| Date | Sep 11, 2019 |
| Instrument | 179646 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Sep 10, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.35% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 321 DIAMOND CT, PLEASANTON, CA 94566-7778 |
| Document Number | 0000225724 |
| Instrument Date | Nov 17, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Dec 17, 2018 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 321 DIAMOND CT PLEASANTON CA 945667778, PLEASANTON, CA 94566-7778 |
| Document Number | 0000225724 |
|---|---|
| Date | Nov 28, 2018 |
| Instrument | 225724 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Nov 27, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 4% |
Source: Alameda County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Pleasanton City |
| Unified School District | Pleasanton Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $16,203.00 (+3.22%) Homeowner's exemption | $1,384,244 (+4.04%) Land $415,273 Building $968,971 |
| 2023 | $15,697.00 Homeowner's exemption | $1,330,505 Land $399,151 Building $931,354 |
Source: FEMA National Flood Hazard Layer as of May 25, 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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 5 (1995–2011) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Mar 2011 · rainfall accumulation |
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond 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: NPS National Register of Historic Places as of August 1, 2026 · Last verified October 2026
| Historic District | Within the Niles Canyon Transcontinental Railroad Historic District listed 2010 · 108 contributing resources · NRIS 10000843 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: AT&T, T-Mobile USA.
Based on FCC filings for 253 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 | CITY OF PLEASANTON serves 76,689 people |
|---|---|
| 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 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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