Contra Costa County property record for 501 Deldrin Ct, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,775 sqft · built 2004 |
| Lot Size | 0.137 acres (5,969 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,749,000 (Feb 2023) |
| Tax Bill | $22,884 (2025) |
| Deeds & Mortgages | Feb 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 222-300-071-8 |
| Primary APN | 222-300-071-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,775 sqft Living Area |
| 1st Floor Area | 1,309 sqft |
| 2nd Floor Area | 1,466 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2005 |
| Lot Area | 5,969 sqft (0.137 acres) |
| Garage Type | Attached |
| Garage Area | 447 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 501 DELDRIN CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5165 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8564 L71 |
| Legal Subdivision | SUBDIVISION 8564 |
| Legal Tract | 8564 |
| Legal Lot Number | 71 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1020 |
| Census Tract | 355121 |
501 Deldrin Ct is owned and occupied by two individuals who bought it in February 2023.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 501 DELDRIN CT, SAN RAMON, CA 94582-5165 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 9, 2023 · Amount on File |
| Deed Sale | Feb 9, 2023 · Amount on File |
| Prior Sale | Mar 27, 2009 · Amount on File |
| Deed Document Number | 202311778 |
| Prior Transfer Date | Dec 2, 2005 |
| Prior Transfer Doc | 0000484577 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 9, 2023 |
| Property Address | 501 DELDRIN CT, SAN RAMON, CA 94582-5165 |
| Document Number | 0000011778 |
| Map Reference | MB 453 PG 1 |
| Instrument Date | Jan 31, 2023 |
| Instrument | 2023-011778 |
| Transaction Type | Transfer |
| Record Updated | Feb 16, 2023 |
| 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 | 935 SUNBONNET LOOP, SAN JOSE, CA 95125-6343 |
| Document Number | 0000011779 |
|---|---|
| Date | Feb 9, 2023 |
| Instrument | 2023-011779 |
| Name | PNC BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2053 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 5.25% |
| Type Change Date | Mar 1, 2030 |
| Min Rate At Change | 3% |
| Max Rate At Change | 10.2% |
| Index | Other |
| Margin | 3 |
| Max Rate | 10.2% |
The 2025 property tax bill for 501 Deldrin Ct was $22,884 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,856,051 (+2%) Land $1,167,328 Building $688,723 | |
| 2025 | $22,884.00 Homeowner's exemption | $1,819,659 Land $1,144,440 Building $675,219 |
| 2023 | $11,470.00 (+2.11%) | $773,636 Land $501,286 Building $272,350 |
| 2022 | $11,233.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 501 Deldrin Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 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.
Wildfire risk around 501 Deldrin Ct is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 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 505 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sail Internet.
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