Contra Costa County property record for 4580 Quarter Ln, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,590 sqft · built 1984 |
| Lot Size | 0.895 acres (39,000 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,148,000 (Aug 2023) |
| Tax Bill | $10,235 (2025) |
| Deeds & Mortgages | Aug 2023 Sale Jul 2022 Mortgage + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 041-100-026-8 |
| Primary APN | 041-100-026-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,590 sqft Living Area |
| 1st Floor Area | 2,510 sqft |
| 2nd Floor Area | 1,080 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 39,000 sqft (0.895 acres) |
| Garage Type | Attached |
| Garage Area | 840 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4580 QUARTER LN |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-4175 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T05485 L0001 B |
| Legal Subdivision | SUBDIVISION 5485 |
| Legal Tract | 05485 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 302013 |
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 | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Aug 29, 2023 | Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Jul 19, 2022 | Deed of Trust, Mortgage THE FENSKE TRUST |
| Oct 6, 2022 | Grant Deed, Transfer · Commercial Mortgage REIT I LLC |
| Sep 6, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 29, 2023 · Amount on Record |
| Deed Sale | Aug 29, 2023 · Amount on Record |
| Prior Sale | Oct 6, 2022 · Amount on Record |
| Deed Document Number | 202383570 |
| Prior Transfer Date | Aug 15, 2019 |
| Prior Transfer Doc | 0000146034 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 29, 2023 |
| Property Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Document Number | 0000083570 |
| Map Reference | MB 269 PG 4 |
| Instrument Date | Aug 28, 2023 |
| Instrument | 2023-083570 |
| Transaction Type | Transfer |
| Record Updated | Sep 8, 2023 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Document Number | 0000114925 |
|---|---|
| Date | Jul 19, 2022 |
| Instrument | 2022-114925 |
| Name | THE FENSKE TRUST |
|---|---|
| Type | Private Party |
| Address | 1014 SAMUEL DR, PETALUMA, CA 94952 |
| Amount | Amount Recorded |
|---|
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 6, 2022 |
| Property Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Document Number | 0000150612 |
| Map Reference | MB 269 PG 4 |
| Instrument Date | Sep 27, 2022 |
| Instrument | 2022-150612 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | TWFG NATIONAL TITLE INSURANCE COMPANY, WFG NATIONAL TITLE INS CO |
| 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 | PO BOX 27740, LAS VEGAS, NV 89126-7740 |
| Document Number | 0000150613 |
|---|---|
| Date | Oct 6, 2022 |
| Instrument | 2022-150613 |
| Name | REIT I LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 6, 2019 |
| Property Address | 4580 QUARTER LN, OAKLEY, CA 94561-4175 |
| Document Number | 0000146034 |
| Instrument Date | Aug 15, 2019 |
| Instrument | 146034 |
| Transaction Type | Transfer |
| Record Updated | Oct 15, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4580 QUARTER LN BRENTWOOD CA 94513, BRENTWOOD, CA 94513 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Oakley City |
| Unified School District | Antioch Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,017,566 (+12.5%) Land $557,522 Building $460,044 | |
| 2025 | $10,235.00 (-20.89%) | $904,478 (-21.35%) Land $546,591 Building $357,887 |
| 2023 | $12,937.00 (+14.02%) | $1,150,000 Land $350,000 Building $800,000 |
| 2022 | $11,346.00 |
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 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 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 491 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 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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