Alameda County property record for 4172 Opal St, Oakland, CA 94609
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,332 sqft · built 1915 |
| Lot Size | 0.102 acres (4,440 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,160,000 (Mar 2026) |
| Tax Bill | $11,715 (2025) |
| Deeds & Mortgages | Jun 2026 Mortgage Mar 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-1004-35 |
| Primary APN | 12-1004-35 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,332 sqft Living Area |
| Year Built | Built 1915 |
|---|---|
| Effective Year Built | Effective 1921 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,440 sqft (0.102 acres) |
| Street Address | 4172 OPAL ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94609-2618 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00035 BLK: AR: 0012 PAGE: 1004 |
| Legal Subdivision | ALTON PARK OAKLAND TPKE |
| Legal Block | C |
| Legal Lot Number | 23&24 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 401200 |
4172 Opal St is owned and occupied by two individuals who bought it in March 2026.
Source: Alameda County records, as of August 12, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4172 OPAL ST, OAKLAND, CA 94609-2618 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Jun 29, 2026 | Deed of Trust, Mortgage · Conventional Mortgage MORTGAGE INC |
| Mar 27, 2026 | Grant Deed, Transfer · Commercial Mortgage STEPHEN P WHITE TRUST |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 27, 2026 · Amount on File |
| Deed Sale | Mar 27, 2026 · Amount on File |
| Prior Sale | May 20, 2008 · Amount on File |
| Deed Document Number | 202640279 |
| Prior Transfer Date | Apr 9, 2012 |
| Prior Transfer Doc | 0000123724 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 29, 2026 |
| Property Address | 4172 OPAL ST, OAKLAND, CA 94609-2618 |
| Document Number | 0000084419 |
| Instrument Date | Jun 24, 2026 |
| Instrument | 202684419 |
| Transaction Type | Mortgage |
| Record Updated | Aug 12, 2026 |
| Title Company | FIDELITY NATIONAL TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants, 205 |
| Address | 4172 OPAL ST, OAKLAND, CA 94609-2618 |
| Document Number | 0000084419, |
|---|---|
| Date | Jun 29, 2026 |
| Instrument | 202684419 |
| Name | MORTGAGE INC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 1, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.53% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 27, 2026 |
| Property Address | 4172 OPAL ST, OAKLAND, CA 94609-2618 |
| Document Number | 0000040279 |
| Map Reference | MB 17 PG 23 |
| Instrument Date | Mar 23, 2026 |
| Instrument | 2026040279 |
| Transaction Type | Transfer |
| Record Updated | Jun 12, 2026 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $18,676.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4172 OPAL ST, OAKLAND, CA 94609-2618 |
| Document Number | 0000040280 |
|---|---|
| Date | Mar 27, 2026 |
| Instrument | 2026040280 |
| Name | STEPHEN P WHITE TRUST |
|---|---|
| Type | Private Party |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 4172 Opal St was $11,715, up 3.8% from the year before.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $778,358 (+2%) Land $233,507 Building $544,851 | ||
| 2025 | $11,715.00 (+3.8%) | $763,101 Land $228,930 Building $534,171 | |
| 2024 | $11,286.00 (-4.93%) | ||
| 2023 | $11,871.00 | $733,477 Land $220,043 Building $513,434 | $1,073,790 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4172 Opal St in Zone X, an area of minimal flood risk.
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.
The area around 4172 Opal St has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 | 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 Networks Fixed Wireless | 250 / 100 |
May also be available: Astound Broadband, GeoLinks, Google Fiber, T-Mobile.
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