Contra Costa County property record for 499 Blackstone Ct, Danville, CA 94506
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,251 sqft · built 1995 |
| Lot Size | 0.11 acres (4,800 sqft) |
| Owner | Company Name on Record |
| Last Sale | $319,000 (Mar 1995) |
| Tax Bill | $7,371 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 206-283-056-3 |
| Primary APN | 206-283-056-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,251 sqft Living Area |
| 1st Floor Area | 936 sqft |
| 2nd Floor Area | 1,315 sqft |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Cluster |
| Lot Area | 4,800 sqft (0.11 acres) |
| Garage Type | Attached |
| Garage Area | 535 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 499 BLACKSTONE CT |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94506-1341 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 7132 POR LOT 71 |
| Legal Subdivision | SUBDIVISION 7132 |
| Legal Tract | 7132 |
| Legal Lot Number | 71 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 355121 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 499 BLACKSTONE CT, DANVILLE, CA 94506-1341 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 24, 1995 · Amount on Record |
| Deed Sale | Mar 24, 1995 · Amount on Record |
| Deed Document Number | 199546962 |
| Last Transfer Date | Jul 20, 2012 |
| Transfer Doc | 0000176990 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 499 BLACKSTONE CT, DANVILLE, CA 94506-1341 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|---|
| Address | 499 BLACKSTONE CT, DANVILLE, CA 94506-1341 |
| Document Number | 0000341687 |
|---|---|
| Date | Dec 20, 2021 |
| Instrument | 2021-341687 |
| Name | NEWREZ LLC |
|---|---|
| Type | Mortgage Company |
| Address | FORT WASHINGTON, PA 19034 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 121 Months |
| Due | Jan 1, 2032 |
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 | $573,896 (+2%) Land $219,285 Building $354,611 | |
| 2025 | $7,371.00 (+4.82%) Homeowner's exemption | $562,644 (+4.04%) Land $214,986 Building $347,658 |
| 2023 | $7,032.00 (+1.05%) Homeowner's exemption | $540,798 Land $206,639 Building $334,159 |
| 2022 | $6,959.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 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 | Moderate above 51% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 597 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Etheric Networks, Verizon.
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