Contra Costa County property record for 1980 Blackstone Dr, Walnut Creek, CA 94598
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,032 sqft · built 1961 |
| Lot Size | 0.229 acres (9,975 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,055,000 (May 2018) |
| Tax Bill | $14,043 (2025) |
| Deeds & Mortgages | May 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 140-011-001-9 |
| Primary APN | 140-011-001-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,032 sqft Living Area |
| 1st Floor Area | 2,032 sqft |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 9,975 sqft (0.229 acres) |
| Garage Type | Attached |
| Garage Area | 474 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1980 BLACKSTONE DR |
|---|---|
| City | WALNUT CREEK |
| State | CA |
| Zip | 94598-4151 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 2895 125 |
| Legal Subdivision | WALNUT CREEK ACRES UNIT #1 |
| Legal Tract | 2895 |
| Legal Lot Number | 125 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3016 |
| Census Tract | 338302 |
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 Individual Names on Record |
|---|---|
| Mailing Address | 1980 BLACKSTONE DR, WALNUT CREEK, CA 94598-4151 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 17, 2018 · Amount on Record |
| Deed Sale | May 17, 2018 · Amount on Record |
| Prior Sale | Jun 18, 2010 · Amount on Record |
| Deed Document Number | 201877600 |
| Prior Transfer Date | Apr 11, 2014 |
| Prior Transfer Doc | 0000066747 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 17, 2018 |
| Property Address | 1980 BLACKSTONE DR, WALNUT CREEK, CA 94598-4151 |
| Document Number | 0000077600 |
| Map Reference | MB 82 PG 19 |
| Instrument Date | May 8, 2018 |
| Instrument | 2018-077600 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| 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 | 1980 BLACKSTONE DR, WALNUT CREEK, CA 94598-4151 |
| Document Number | 0000077601 |
|---|---|
| Date | May 17, 2018 |
| Instrument | 2018-077601 |
| Name | ALAMEDA MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 1, 2048 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Walnut Creek City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,224,413 (+2%) Land $876,240 Building $348,173 | |
| 2025 | $14,043.00 (+4.03%) Homeowner's exemption | $1,200,406 (+4.04%) Land $859,059 Building $341,347 |
| 2023 | $13,499.00 (+0.88%) Homeowner's exemption | $1,153,794 Land $825,701 Building $328,093 |
| 2022 | $13,381.00 |
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 Claims | 1 (1983) |
| Most Recent Claim | Dec 1983 · tidal / storm surge |
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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 575 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, T-Mobile, Verizon.
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