Contra Costa County property record for 516 4th St, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,053 sqft · built 1940 |
| Lot Size | 0.195 acres (8,505 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $385,000 (Oct 2019) |
| Tax Bill | $6,334 (2025) |
| Deeds & Mortgages | Nov 2021 Mortgage Oct 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-154-007-5 |
| Primary APN | 035-154-007-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,053 sqft Living Area |
| 1st Floor Area | 1,053 sqft |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Bungalow |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 8,505 sqft (0.195 acres) |
| Lot Dimensions | 135 ft deep x 63 ft wide |
| Garage Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 516 4TH ST |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2174 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | O HARA ADDN LOT 10 BLK 15 |
| Legal Subdivision | O HARA ADD |
| Legal Block | 15 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2022 |
| Census Tract | 302007 |
Source: Contra Costa County records · APN 035-154-007-5
Assessment roll updated July 14, 2026 · Last verified August 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 | 516 4TH ST, OAKLEY, CA 94561-2174 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 15, 2021 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC |
| Oct 24, 2019 | Grant Deed, Transfer · Conventional with PMI ALTERRA HM LNS |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 24, 2019 · Amount on Record |
| Deed Sale | Oct 24, 2019 · Amount on Record |
| Prior Sale | Sep 26, 2013 · Amount on Record |
| Deed Document Number | 2019182482 |
| Last Transfer Date | Jun 18, 2024 |
| Transfer Doc | 0000058036 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 516 4TH ST, OAKLEY, CA 94561-2174 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | WFG NATIONAL TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 516 4TH ST, OAKLEY, CA 94561-2174 |
| Document Number | 0000316339 |
|---|---|
| Date | Nov 15, 2021 |
| Instrument | 2021-316339 |
| Name | GUARANTEED RATE INC |
|---|---|
| Type | Mortgage Company |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 24, 2019 |
| Property Address | 516 4TH ST, OAKLEY, CA 94561-2174 |
| Document Number | 0000182482 |
| Instrument Date | Oct 11, 2019 |
| Instrument | 182482 |
| Transaction Type | Transfer |
| Record Updated | Nov 04, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $423.50 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 516 4TH ST OAKLEY CA 945612174, OAKLEY, CA 94561-2174 |
| Document Number | 182483 |
|---|---|
| Date | Oct 24, 2019 |
| Instrument | 182483 |
| Name | ALTERRA HM LNS |
|---|---|
| Address | LAS VEGAS, NV 89145 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Oct 23, 2049 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified August 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 | $468,059 (+2%) Land $223,101 Building $244,958 | |
| 2025 | $6,334.00 (+10.89%) Homeowner's exemption | $458,882 (+6.16%) Land $218,727 Building $240,155 |
| 2023 | $5,712.00 (+6.47%) Homeowner's exemption | $432,242 Land $210,235 Building $222,007 |
| 2022 | $5,365.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133020072, 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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Feb 1998 · Severe Winter Storms And Flooding |
| 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 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 645 locations within half a mile · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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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