Contra Costa County property record for 850 Dunmore St, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,930 sqft · built 2016 |
| Lot Size | 0.152 acres (6,600 sqft) |
| Owner | Company Name on Record |
| Last Sale | $547,500 (Oct 2016) |
| Tax Bill | $12,943 (2025) |
| Deeds & Mortgages | Jun 2019 Transfer |
| Flood Zone | Zone X (reduced by levee) |
| APN | 037-540-009 |
| Primary APN | 037-540-009 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,930 sqft Living Area |
| 1st Floor Area | 1,592 sqft |
| 2nd Floor Area | 1,338 sqft |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Lot Area | 6,600 sqft (0.152 acres) |
| Garage Type | Attached |
| Garage Area | 652 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 850 DUNMORE ST |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2857 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9032 L41 |
| Legal Subdivision | EMERSON RANCH NBRHD I |
| Legal Tract | 9032 |
| Legal Lot Number | 41 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 302011 |
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 | 850 DUNMORE ST, OAKLEY, CA 94561-2857 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 31, 2016 · Amount on Record |
| Deed Sale | Oct 31, 2016 · Amount on Record |
| Deed Document Number | 2016233129 |
| Last Transfer Date | Jun 10, 2019 |
| Transfer Doc | 0000090781 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 14, 2019 |
| Property Address | 850 DUNMORE ST, OAKLEY, CA 94561-2857 |
| Document Number | 0000090781 |
| Instrument Date | Jun 10, 2019 |
| Instrument | 90781 |
| Transaction Type | Transfer |
| Record Updated | Jun 26, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 850 DUNMORE ST OAKLEY CA 945612857, OAKLEY, CA 94561-2857 |
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 | $647,884 (+2%) Land $136,133 Building $511,751 | |
| 2025 | $12,943.00 (+3.27%) Homeowner's exemption | $635,181 (+4.04%) Land $133,464 Building $501,717 |
| 2023 | $12,533.00 (+1.94%) Homeowner's exemption | $610,519 Land $128,283 Building $482,236 |
| 2022 | $12,294.00 |
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 · 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 |
| Nearby Flood Policies | 7 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 | Moderate above 67% of the US · above 42% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 86 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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