Contra Costa County property record for 4800 Sandmound Blvd, Oakley, CA 94561
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,772 sqft · built 1950 |
| Lot Size | 0.212 acres (9,250 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $3,955 (2025) |
| Deeds & Mortgages | Oct 2025 Transfer Sep 2020 Mortgage + 2 more |
| Flood Zone | Zone AE (high risk) |
| APN | 032-230-010-4 |
| Primary APN | 032-230-010-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,772 sqft Living Area |
| 1st Floor Area | 1,572 sqft |
| 2nd Floor Area | 990 sqft |
| Basement Area | 210 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1974 |
| Lot Area | 9,250 sqft (0.212 acres) |
| Lot Dimensions | 185 ft deep x 50 ft wide |
| View / Lot | Waterfront |
| Garage Type | Attached |
| Garage Area | 374 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 4800 SANDMOUND BLVD |
|---|---|
| City | OAKLEY |
| State | CA |
| Zip | 94561-5053 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | F1 |
| Legal Description | SANDMOUND TRACT LOT 50 EX MR |
| Legal Subdivision | SANDMOUND |
| Legal Lot Number | 50 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4003 |
| Census Tract | 301000 |
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 | 2 Company Names on Record |
|---|---|
| Mailing Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Date | Document |
|---|---|
| Oct 10, 2025 | Intrafamily Transfer, Transfer |
| Sep 22, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Aug 7, 2019 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| Apr 4, 2017 | Deed of Trust, Mortgage · Conventional Mortgage PROVIDENT CU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Nov 3, 1993 |
| Transfer Doc | 0000317646 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 10, 2025 |
| Property Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Document Number | 0000106522 |
| Map Reference | MB 40 PG 8 |
| Instrument Date | Sep 25, 2025 |
| Instrument | 2025- 106522 |
| Transaction Type | Transfer |
| Record Updated | Oct 21, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Document Number | 0000211634 |
|---|---|
| Date | Sep 22, 2020 |
| Instrument | 2020-211634 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 7, 2019 |
| Property Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Document Number | 0000124477 |
| Instrument Date | Aug 5, 2019 |
| Instrument | 124477 |
| Transaction Type | Transfer |
| Record Updated | Aug 15, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $693.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 2407 POSITANO AVE BRENTWOOD CA 94513, BRENTWOOD, CA 94513 |
| Document Number | 124478 |
|---|---|
| Date | Aug 7, 2019 |
| Instrument | 124478 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Aug 6, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4800 SANDMOUND BLVD, OAKLEY, CA 94561-5053 |
| Document Number | 0000064058 |
| Instrument Date | Apr 4, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Apr 27, 2017 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4800 SANDMOUND BLVD OAKLEY CA 945615053, OAKLEY, CA 94561-5053 |
| Document Number | 0000064058 |
|---|---|
| Date | Apr 13, 2017 |
| Instrument | 64058 |
| Name | PROVIDENT CU |
|---|---|
| Type | Credit Union |
| Address | REDWOOD CITY, CA 94065 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Apr 12, 2047 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| 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 | $233,095 (+2%) Land $38,465 Building $194,630 | |
| 2025 | $3,955.00 (+3.81%) Homeowner's exemption | $228,525 (+4.04%) Land $37,711 Building $190,814 |
| 2023 | $3,810.00 (+1.25%) Homeowner's exemption | $219,653 Land $36,248 Building $183,405 |
| 2022 | $3,763.00 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 9.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 49 individual policies |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 149 units insured incl. 100 condo units |
| Nearby Flood Claims | 2 (2017–2022) |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | High above 76% of the US · above 53% of California |
|---|---|
| Wildfire Likelihood | 0.4% 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 | OAKLEY MUTUAL WATER COMPANY private · serves 170 people · EPA ID CA0706004 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Jun 2023 |
| Also Mapped Here | DELTA MUTUAL WATER COMPANY |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | Arsenic not recorded as resolved · Jan 2026 |
|---|---|
| Treatment and Procedure | Lead service line inventory currently in violation since Oct 2024 |
| Monitoring and Reporting | 1 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 77 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 |
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