Contra Costa County property record for 121 Big Break Rd, Oakley, CA 94561
| Property Type | Harbor & Marine Transportation |
|---|---|
| Details | 6,078 sqft · built 1959 |
| Lot Size | 2.2 acres (95,832 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,850,000 (Feb 2018) |
| Tax Bill | $6,894 (2025) |
| Deeds & Mortgages | May 2017 Mortgage Feb 2018 Sale |
| Flood Zone | Zone AE (high risk) |
| APN | 037-030-004-8 |
| Primary APN | 037-030-004-8 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 6,078 sqft Gross Area |
| 1st Floor Area | 6,078 sqft |
| Year Built | Built 1959 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 95,832 sqft |
| View / Lot | River |
| Street Address | 121 BIG BREAK RD |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-3082 |
| Property Category | Public Works |
| Property Type | Public Works > Harbor & Marine Transportation |
| Legal Description | POR SECS 14 & 23 T2N R2E |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2012 |
| Census Tract | 302006 |
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 | 3524 INVESTMENT BLVD, HAYWARD, CA 94545-3707 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| May 2, 2017 | Deed of Trust, Mortgage · Commercial Mortgage SEQUOIA MORTGAGE |
| Feb 1, 2018 | Grant Deed, Transfer CHICAGO TITLE COMPANY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 1, 2018 · Amount on Record |
| Deed Sale | Feb 1, 2018 · Amount on Record |
| Prior Sale | Feb 25, 2015 · Amount on Record |
| Deed Document Number | 201816320 |
| Prior Transfer Date | Feb 23, 2015 |
| Prior Transfer Doc | 0000032314 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 121 BIG BREAK RD, OAKLEY, CA 94561-3082 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000076095 |
|---|---|
| Date | May 2, 2017 |
| Instrument | 2017-076095 |
| Name | SEQUOIA MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | SAN ANSELMO, CA 94979 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 1, 2018 |
| Property Address | 121 BIG BREAK RD, OAKLEY, CA 94561-3082 |
| Document Number | 0000016320 |
| Instrument Date | Jan 29, 2018 |
| Instrument | 16320 |
| Transaction Type | Transfer |
| Record Updated | Feb 7, 2018 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,035.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 3524 INVESTMENT BLVD HAYWARD CA 945453707, HAYWARD, CA 94545-3707 |
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 | $370,641 (-1.68%) Land $133,464 Building $237,177 | |
| 2025 | $6,894.00 (+52.62%) | $376,975 (-1.2%) Land $130,848 Building $246,127 |
| 2023 | $4,517.00 (+35.08%) | $381,549 Land $125,768 Building $255,781 |
| 2022 | $3,344.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Nearby Flood Policies | 5 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 67% of the US · lower than 81% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 13 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 |
| Verizon Fixed Wireless | 300 / 20 |
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