Contra Costa County property record for 427 Sonnet Ct, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,279 sqft · built 2014 |
| Lot Size | 0.148 acres (6,450 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $376,000 (Sep 2014) |
| Tax Bill | $9,912 (2025) |
| Deeds & Mortgages | Mar 2018 Line of Credit Dec 2020 Mortgage + 1 more |
| Flood Zone | Zone X (reduced by levee) |
| APN | 032-490-018-2 |
| Primary APN | 032-490-018-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,279 sqft Living Area |
| 1st Floor Area | 2,279 sqft |
| Year Built | Built 2014 |
|---|---|
| Effective Year Built | Effective 2014 |
| Architectural Style | Cluster |
| Lot Area | 6,450 sqft (0.148 acres) |
| Garage Type | Attached |
| Garage Area | 588 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 427 SONNET CT |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-5087 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8955 L287 |
| Legal Subdivision | SUBDIVISION 8955 |
| Legal Tract | 8955 |
| Legal Lot Number | 287 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3025 |
| Census Tract | 301000 |
Source: Contra Costa County records · APN 032-490-018-2
Assessment roll updated July 14, 2026 · Last verified July 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 File |
|---|---|
| Mailing Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Mar 22, 2018 | Deed of Trust, Mortgage · Line of Credit SAFEAMERICA CU |
| Dec 08, 2020 | Deed of Trust, Mortgage · Conventional Mortgage ANGEL OAK MORTGAGE SOLUTIONS LLC |
| Jun 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 16, 2014 · Amount on Record |
| Deed Sale | Sep 16, 2014 · Amount on Record |
| Prior Sale | Dec 21, 2012 · Amount on Record |
| Deed Document Number | 2014157058 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | NORTH AMERICAN TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000044081 |
|---|---|
| Date | Mar 22, 2018 |
| Instrument | 2018-044081 |
| Name | SAFEAMERICA CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | WFG NATIONAL TITLE IRVINE |
| Name | Verified Name |
|---|---|
| Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Document Number | 0000305252 |
|---|---|
| Date | Dec 08, 2020 |
| Instrument | 2020-305252 |
| Name | ANGEL OAK MORTGAGE SOLUTIONS LLC |
|---|---|
| Type | Mortgage Company |
| Address | ATLANTA, GA 30328 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | WFG NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Address | 427 SONNET CT, OAKLEY, CA 94561-5087 |
| Document Number | 0000172762 |
|---|---|
| Date | Jun 15, 2021 |
| Instrument | 2021-172762 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2051 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $484,236 (+2%) Land $91,935 Building $392,301 | |
| 2025 | $9,912.00 (+4.58%) | $474,742 (+4.04%) Land $90,133 Building $384,609 |
| 2023 | $9,478.00 (+2.71%) | $456,309 Land $86,634 Building $369,675 |
| 2022 | $9,228.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133010003, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 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 Record 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 |
|
| Wildfire Risk | High above 74% of the US · above 49% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · sampled at 46 locations within half a mile · Last verified October 2026
| 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 |
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System via ECHO, 2026 Q3 · EPA community water system boundaries v3.0, March 2026 · Last verified October 2026
| Water System | DIABLO WATER DISTRICT serves 47,158 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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