Contra Costa County property record for 4555 Duarte Ave, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,703 sqft · built 1988 |
| Lot Size | 0.341 acres (14,857 sqft) |
| Owner | Individual Name on File |
| Last Sale | $487,000 (Jan 2019) |
| Tax Bill | $6,917 (2025) |
| Deeds & Mortgages | Nov 2019 Mortgage Nov 2019 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-671-001-2 |
| Primary APN | 035-671-001-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,703 sqft Living Area |
| 1st Floor Area | 813 sqft |
| 2nd Floor Area | 890 sqft |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 14,857 sqft (0.341 acres) |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 4555 DUARTE AVE |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2052 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6865 L1 |
| Legal Subdivision | OLDE TOWNE OAKLEY SUB 6865 |
| Legal Tract | 6865 |
| Legal Lot Number | 1 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 302005 |
4555 Duarte Ave is owned and occupied by an individual who acquired it in November 2019.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 27, 2019 | Grant Deed, Transfer · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP |
| Nov 27, 2019 | Correction Deed FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Jan 9, 2019 | Grant Deed, Transfer · Conventional Mortgage AMERICAN PACIFIC MORTGAGE |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jan 9, 2019 · Amount on File |
| Deed Sale | Jan 9, 2019 · Amount on File |
| Prior Sale | Apr 5, 2016 · Amount on File |
| Deed Document Number | 20193275 |
| Last Transfer Date | Nov 19, 2019 |
| Transfer Doc | 0000213972 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 27, 2019 |
| Property Address | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Document Number | 0000213973 |
| Map Reference | MB 318 PG 10 |
| Instrument Date | Nov 19, 2019 |
| Instrument | 2019-213973 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | FIDELITY NATIONAL TITLE CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Document Number | 0000213974 |
|---|---|
| Date | Nov 27, 2019 |
| Instrument | 2019-213974 |
| Name | PROVIDENT FUNDING ASSOCIATES LP |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Dec 1, 2049 |
| Document Type | Correction Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 27, 2019 |
| Property Address | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Document Number | 0000213972 |
| Instrument Date | Nov 19, 2019 |
| Instrument | 213972 |
| Record Updated | Dec 11, 2019 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4555 DUARTE AVE OAKLEY CA 945612052, OAKLEY, CA 94561-2052 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 9, 2019 |
| Property Address | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Document Number | 0000003275 |
| Map Reference | MB 318 PG 10 |
| Instrument Date | Jan 2, 2019 |
| Instrument | 2019-003275 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 4555 DUARTE AVE, OAKLEY, CA 94561-2052 |
| Document Number | 0000003276 |
|---|---|
| Date | Jan 9, 2019 |
| Instrument | 2019-003276 |
| Name | AMERICAN PACIFIC MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Feb 1, 2049 |
The 2025 property tax bill for 4555 Duarte Ave was $6,917.
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 | $548,461 (+2%) Land $253,499 Building $294,962 | |
| 2025 | $6,917.00 | $537,708 Land $248,529 Building $289,179 |
| 2023 | $6,716.00 (+0.84%) | $516,829 Land $238,879 Building $277,950 |
| 2022 | $6,660.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4555 Duarte Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 4555 Duarte Ave is low, with a 0.01% annual chance of wildfire.
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 645 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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