Contra Costa County property record for 20 Stone Ct, Danville, CA 94526
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,943 sqft · built 1966 |
| Lot Size | 0.23 acres (10,000 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $415,000 (Dec 1998) |
| Tax Bill | $8,281 (2025) |
| Deeds & Mortgages | May 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 218-201-009-6 |
| Primary APN | 218-201-009-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,943 sqft Living Area |
| 1st Floor Area | 1,943 sqft |
| Year Built | Built 1966 |
|---|---|
| Effective Year Built | Effective 1966 |
| Architectural Style | Cluster |
| Lot Area | 10,000 sqft (0.23 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 20 STONE CT |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-5119 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3458 POR LOTS 47 & 48 EX MR |
| Legal Subdivision | GREENBROOK SUBDIVISION 3458 |
| Legal Tract | 3458 |
| Legal Lot Number | 47,48 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 345105 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | PO BOX 241, LOS ALTOS, CA 94023-0241 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 4, 1998 · Amount on Record |
| Deed Sale | Dec 4, 1998 · Amount on Record |
| Deed Document Number | 1998304640 |
| Last Transfer Date | Apr 18, 2013 |
| Transfer Doc | 0000104288 |
| Record Updated | Sep 20, 2026 |
| Document Type | Affidavit of Death of Trustee |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 18, 2026 |
| Property Address | 20 STONE CT, DANVILLE, CA 94526-5119 |
| Document Number | 0000051656 |
| Instrument Date | May 12, 2026 |
| Instrument | 202651656 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $663,592 (+2%) Land $303,811 Building $359,781 | |
| 2025 | $8,281.00 (+5.26%) | $650,581 (+4.04%) Land $297,854 Building $352,727 |
| 2023 | $7,867.00 (+0.73%) | $625,320 Land $286,289 Building $339,031 |
| 2022 | $7,810.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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 | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.04% annual chance |
| Exposure | Indirect 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 | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 464 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 |
| AT&T DSL | 100 / 20 |
May also be available: Etheric Networks.
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