Alameda County property record for 4131 Opal St, Oakland, CA 94609
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,902 sqft · built 1917 |
| Lot Size | 0.09 acres (3,955 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,000,000 (Sep 2016) |
| Tax Bill | $18,108 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-1006-13 |
| Primary APN | 12-1006-13 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,902 sqft Living Area |
| Year Built | Built 1917 |
|---|---|
| Effective Year Built | Effective 1942 |
| Architectural Style | Other |
| Construction Type | Wood |
| Lot Area | 3,955 sqft (0.09 acres) |
| Street Address | 4131 OPAL ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94609-2617 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | BLK:J SUBD:CENTRAL OAKLAND TRACT |
| Legal Subdivision | CENTRAL OAKLAND TRACT |
| Legal Block | J |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 401200 |
Source: Alameda County assessment roll, as of July 1, 2025
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 | 4131 OPAL ST, OAKLAND, CA 94609-2617 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 30, 2016 · Amount on Record |
| Deed Sale | Sep 30, 2016 · Amount on Record |
| Prior Sale | Jun 27, 2014 |
| Deed Document Number | 2016251655 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4131 OPAL ST, OAKLAND, CA 94609-2617 |
| Transaction Type | Mortgage |
| Record Updated | Jul 27, 2021 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|---|
| Address | 4131 OPAL ST, OAKLAND, CA 94609-2617 |
| Document Number | 0000244177 |
|---|---|
| Date | Jul 12, 2021 |
| Instrument | 2021244177 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Aug 1, 2051 |
Source: Alameda County assessment roll, as of July 1, 2025
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $18,108.00 (-1.93%) Homeowner's exemption | $1,270,358 (+4.04%) Land $348,168 Building $922,190 |
| 2023 | $18,465.00 Homeowner's exemption | $1,221,035 Land $334,650 Building $886,385 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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 | Not rated no burnable land within ember reach |
|---|
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 857 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
May also be available: California Internet, Google Fiber, Radiate Holdings, T-Mobile USA.
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