Contra Costa County property record for 520 4th St, Oakley, CA 94561 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,297 sqft · built 1975 |
| Lot Size | 0.205 acres (8,910 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $230,000 (May 2013) |
| Tax Bill | $4,070 (2025) |
| Deeds & Mortgages | Mar 2017 Loan Modification Nov 2016 Loan Modification |
| Flood Zone | Zone X (minimal risk) |
| APN | 035-300-010-2 |
| Primary APN | 035-300-010-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,297 sqft Living Area |
| 1st Floor Area | 1,297 sqft |
| Year Built | Built 1975 |
|---|---|
| Effective Year Built | Effective 1996 |
| Lot Area | 8,910 sqft (0.205 acres) |
| Street Address | 520 4TH ST |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-2174 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3678 LOT 10 EX MR |
| Legal Tract | 3678 |
| 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 035-300-010-2
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 | 520 4TH ST, OAKLEY, CA 94561-2174 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Mar 08, 2017 | Loan Modification, Mortgage · Conventional Mortgage PACIFIC UNION FIN'L |
| Nov 16, 2016 | Loan Modification, Mortgage · Conventional Mortgage PACIFIC UNION FIN'L |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 31, 2013 · Amount on Record |
| Deed Sale | May 31, 2013 · Amount on Record |
| Prior Sale | Mar 04, 2008 · Amount on Record |
| Deed Document Number | 2013137634 |
| Prior Transfer Date | May 07, 2002 |
| Prior Transfer Doc | 0000170360 |
| Record Updated | Sep 20, 2026 |
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 520 4TH ST, OAKLEY, CA 94561-2174 |
| Document Number | 0000053982 |
| Instrument Date | Mar 08, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Apr 05, 2017 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 520 4TH ST OAKLEY CA 945612174, OAKLEY, CA 94561-2174 |
| Document Number | 0000053982 |
|---|---|
| Date | Mar 29, 2017 |
| Instrument | 53982 |
| Name | PACIFIC UNION FIN'L |
|---|---|
| Type | Funding / Finance Company |
| Address | FARMERS BRANCH, TX 75236 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 28, 2047 |
| Rate | 3.75% |
|---|
| Document Type | Loan Modification |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 520 4TH ST, OAKLEY, CA 94561-2174 |
| Document Number | 0000000104 |
| Instrument Date | Nov 16, 2016 |
| Transaction Type | Mortgage |
| Record Updated | Mar 02, 2017 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 520 4TH ST OAKLEY CA 945612174, OAKLEY, CA 94561-2174 |
| Document Number | 0000000104 |
|---|---|
| Date | Jan 03, 2017 |
| Instrument | 104 |
| Name | PACIFIC UNION FIN'L |
|---|---|
| Type | Funding / Finance Company |
| Address | FARMERS BRANCH, TX 75236 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 02, 2047 |
| Rate | 3.75% |
|---|
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 | $288,879 (+2%) Land $94,197 Building $194,682 | |
| 2025 | $4,070.00 (+2.91%) Homeowner's exemption | $283,215 (+4.04%) Land $92,350 Building $190,865 |
| 2023 | $3,955.00 (+0.76%) Homeowner's exemption | $272,219 Land $88,765 Building $183,454 |
| 2022 | $3,925.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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