Contra Costa County property record for 4011 Blacksmith Cir, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,373 sqft · built 2007 |
| Lot Size | 0.155 acres (6,760 sqft) |
| Owner | Individual Name on File |
| Last Sale | $475,000 (May 2015) |
| Tax Bill | $11,977 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-160-114-4 |
| Primary APN | 034-160-114-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,373 sqft Living Area |
| 1st Floor Area | 1,587 sqft |
| 2nd Floor Area | 1,786 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Lot Area | 6,760 sqft (0.155 acres) |
| Garage Type | Attached |
| Garage Area | 614 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4011 BLACKSMITH CIR |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-4412 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8530 L105 |
| Legal Tract | 8530 |
| Legal Lot Number | 105 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 303104 |
Source: Contra Costa County records · APN 034-160-114-4
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4011 BLACKSMITH CIR, OAKLEY, CA 94561-4412 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 29, 2015 · Amount on Record |
| Deed Sale | May 29, 2015 · Amount on Record |
| Prior Sale | Oct 18, 2007 · Amount on Record |
| Deed Document Number | 2015109296 |
| Prior Transfer Date | Feb 14, 2014 |
| Prior Transfer Doc | 0000030830 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Secondary School District | Liberty Union High School District (09 - 12) |
| Elementary School District | Oakley Union Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $636,406 (+2%) Land $73,548 Building $562,858 | |
| 2025 | $11,977.00 (+2.94%) | $623,928 (+4.04%) Land $72,106 Building $551,822 |
| 2023 | $11,635.00 (+1.51%) | $599,702 Land $69,307 Building $530,395 |
| 2022 | $11,462.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 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 Policies | 1 in force |
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · 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 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: Sonic Telecom.
Based on FCC filings for 239 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 | DIABLO WATER DISTRICT serves 47,158 people |
|---|---|
| Water Source | Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT |
| Last State Inspection | Jan 2024 |
| Also Mapped Here | CONTRA COSTA WATER DISTRICT |
| Lead | 2 ppb (2020–2022) 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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