Contra Costa County property record for 657 Miller Dr, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,339 sqft · built 1994 |
| Lot Size | 0.134 acres (5,830 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $490,000 (Jul 2024) |
| Tax Bill | $7,008 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 034-290-020-6 |
| Primary APN | 034-290-020-6 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,339 sqft Living Area |
| 1st Floor Area | 1,339 sqft |
| Year Built | Built 1994 |
|---|---|
| Effective Year Built | Effective 1994 |
| Lot Area | 5,830 sqft (0.134 acres) |
| Garage Type | Attached |
| Garage Area | 486 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 657 MILLER DR |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-4231 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7667 L20 |
| Legal Subdivision | SUBDIVISION 7667 |
| Legal Tract | 7667 |
| Legal Lot Number | 20 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 302007 |
Source: Contra Costa County records, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 657 MILLER DR, OAKLEY, CA 94561-4231 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 1, 2024 · Amount on Record |
| Deed Sale | Jul 1, 2024 · Amount on Record |
| Prior Sale | Nov 9, 1993 · Amount on Record |
| Deed Document Number | 202462778 |
| Prior Transfer Date | Jun 25, 2024 |
| Prior Transfer Doc | 0000062777 |
| Record Updated | Sep 20, 2026 |
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 | $499,800 (+2%) Land $280,500 Building $219,300 | |
| 2025 | $7,008.00 (+66.94%) | $490,000 (+103.38%) Land $275,000 Building $215,000 |
| 2023 | $4,198.00 (+1.08%) Homeowner's exemption | $240,934 Land $65,329 Building $175,605 |
| 2022 | $4,153.00 |
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 X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 205 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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