Contra Costa County property record for 100 Brock Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,791 sqft · built 1948 |
| Lot Size | 0.181 acres (7,884 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $220,000 (Mar 2026) |
| Tax Bill | $1,683 (2025) |
| Deeds & Mortgages | Mar 2026 Sale Mar 2026 Transfer + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 037-123-063-2 |
| Primary APN | 037-123-063-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,791 sqft Living Area |
| 1st Floor Area | 1,791 sqft |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1948 |
| Lot Area | 7,884 sqft (0.181 acres) |
| Garage Type | Attached |
| Garage Area | 480 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 100 BROCK LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-1601 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | POR SEC 23 T2N R2E |
| Legal Range | 02E |
| Legal Township | 02N |
| Legal Section | 23 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 302005 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 276 CARRICK CIR, HAYWARD, CA 94542-7916 |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Mar 11, 2026 | Grant Deed, Transfer FIRST AMERICAN TITLE |
| Mar 11, 2026 | Intrafamily Transfer, Transfer FIRST AMERICAN TITLE |
| Sep 23, 2025 | Correction Deed UNKNOWN, MULTIPLE |
| Sep 18, 2025 | Grant Deed, Transfer · Commercial Mortgage RUBEN G ESQUIVEL, AN UNMARRIED MAN |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 11, 2026 · Amount on Record |
| Deed Sale | Mar 11, 2026 · Amount on Record |
| Prior Sale | Sep 18, 2025 · Amount on Record |
| Deed Document Number | 202623892 |
| Prior Transfer Date | Sep 19, 2025 |
| Prior Transfer Doc | 0000099248 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 11, 2026 |
| Property Address | 100 BROCK LN, OAKLEY, CA 94561-1601 |
| Document Number | 0000023892 |
| Map Reference | MB 251 PG 4 |
| Instrument Date | Mar 5, 2026 |
| Instrument | 2026- 023892 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 276 CARRICK CIR, HAYWARD, CA 94542-7916 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 11, 2026 |
| Property Address | 100 BROCK LN, OAKLEY, CA 94561-1601 |
| Document Number | 0000023891 |
| Instrument Date | Mar 5, 2026 |
| Instrument | 2026- 023891 |
| Transaction Type | Transfer |
| Record Updated | Mar 20, 2026 |
| Title Company | FIRST AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 276 CARRICK CIR, HAYWARD, CA 94542-7916 |
| Investor | Possibly a Property Investor |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 23, 2025 |
| Property Address | 100 BROCK LN, OAKLEY, CA 94561-1601 |
| Document Number | 0000099248 |
| Instrument Date | Sep 19, 2025 |
| Instrument | 2025- 099248 |
| Record Updated | Oct 2, 2025 |
| Title Company | UNKNOWN, MULTIPLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 3712 COLONIAL CT, ANTIOCH, CA 94509-7015 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 18, 2025 |
| Property Address | 100 BROCK LN, OAKLEY, CA 94561-1601 |
| Document Number | 0000097512 |
| Instrument Date | Sep 11, 2025 |
| Instrument | 2025- 097512 |
| Transaction Type | Transfer |
| Record Updated | Sep 30, 2025 |
| Title Company | MULTIPLE |
| 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 |
|---|---|
| Address | 3712 COLONIAL CT, ANTIOCH, CA 94509-7015 |
| Document Number | 0000097513 |
|---|---|
| Date | Sep 18, 2025 |
| Instrument | 2025- 097513 |
| Name | RUBEN G ESQUIVEL, AN UNMARRIED MAN |
|---|---|
| Type | Private Party |
| Address | 3508 CLAYBURN RD, ANTIOCH, CA 94509 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
Source: Contra Costa County assessment roll, as of July 14, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $150,000 (+5.09%) Land $140,000 Building $10,000 | |
| 2025 | $1,683.00 (+2.94%) | $142,737 (+4.04%) Land $56,751 Building $85,986 |
| 2023 | $1,635.00 (+0.93%) | $137,197 Land $54,549 Building $82,648 |
| 2022 | $1,620.00 |
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
| 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.
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 | DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007 |
|---|---|
| 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, 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 656 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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