Contra Costa County property record for 257 Harborage Ct, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,781 sqft · built 2009 |
| Lot Size | 0.234 acres (10,170 sqft) |
| Owner | Individual Name on File |
| Last Sale | $670,000 (Jun 2025) |
| Tax Bill | $10,929 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Sep 2020 Transfer + 1 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 032-510-021-2 |
| Primary APN | 032-510-021-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,781 sqft Living Area |
| 1st Floor Area | 1,781 sqft |
| Year Built | Built 2009 |
|---|---|
| Effective Year Built | Effective 2010 |
| Architectural Style | Cluster |
| Lot Area | 10,170 sqft (0.234 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 257 HARBORAGE CT |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-3536 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8955 L247 |
| Legal Subdivision | SUBDIVISION 8955 |
| Legal Tract | 8955 |
| Legal Lot Number | 247 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 301000 |
257 Harborage Ct is owned and occupied by an individual who bought it in June 2025.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 257 HARBORAGE CT, OAKLEY, CA 94561-3536 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
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 |
|---|---|
| Apr 28, 2026 | Deed of Trust, Mortgage · Conventional Mortgage EVERETT FINANCIAL INC |
| Sep 3, 2020 | Quit Claim Deed, Transfer OLD REPUBLIC TITLE |
| Sep 3, 2020 | Grant Deed, Transfer · Conventional Mortgage EXCEL MORGAGE SERVICES |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 3, 2025 · Amount on File |
| Deed Sale | Jun 3, 2025 · Amount on File |
| Prior Sale | Sep 3, 2020 · Amount on File |
| Deed Document Number | 202555306 |
| Prior Transfer Date | Aug 31, 2020 |
| Prior Transfer Doc | 0000192209 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 28, 2026 |
| Property Address | 257 HARBORAGE CT, OAKLEY, CA 94561-3536 |
| Document Number | 0000043123 |
| Instrument Date | May 31, 2025 |
| Instrument | 202643123 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Title Company | E-CHICAGO TITLE, CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 2317 FOOTHILL DR, ANTIOCH, CA 94509-5858 |
| Document Number | 0000043123, |
|---|---|
| Date | Apr 28, 2026 |
| Instrument | 202643123 |
| Name | EVERETT FINANCIAL INC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2055 |
| Rate | 6.76% |
|---|---|
| Max Rate | -1% |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 3, 2020 |
| Property Address | 257 HARBORAGE CT, OAKLEY, CA 94561-3536 |
| Document Number | 0000192209 |
| Instrument Date | Aug 31, 2020 |
| Instrument | 192209 |
| Transaction Type | Transfer |
| Record Updated | Sep 16, 2020 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 257 HARBORAGE CT OAKLEY CA 945613536, OAKLEY, CA 94561-3536 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Sep 3, 2020 |
| Property Address | 257 HARBORAGE CT, OAKLEY, CA 94561-3536 |
| Document Number | 0000192210 |
| Map Reference | MB 490 PG 31 |
| Instrument Date | Aug 24, 2020 |
| Instrument | 2020-192210 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| 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 |
|---|---|
| Address | 257 HARBORAGE CT, OAKLEY, CA 94561-3536 |
| Investor | Possibly a Property Investor |
| Document Number | 0000192211 |
|---|---|
| Date | Sep 3, 2020 |
| Instrument | 2020-192211 |
| Name | EXCEL MORGAGE SERVICES |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 1, 2050 |
The 2025 property tax bill for 257 Harborage Ct was $10,929.
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 | $683,400 (+20.26%) Land $178,500 Building $504,900 | |
| 2025 | $10,929.00 | $568,275 Land $119,066 Building $449,209 |
| 2023 | $10,464.00 (+2.55%) | $546,210 Land $114,444 Building $431,766 |
| 2022 | $10,204.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 257 Harborage Ct in Zone X, where a levee reduces flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X reduced by levee · depends on levee performance |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 24 policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 24 in force |
| Nearby Flood Claims | 16 (1978–2017) |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
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.
Wildfire risk around 257 Harborage Ct is high, ranking above 72% of the US, with a 0.3% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 137 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
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