Alameda County property record for 4126 Emerald St, Oakland, CA 94609
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,585 sqft · built 1911 |
| Lot Size | 0.094 acres (4,080 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,575,000 (Oct 2025) |
| Tax Bill | $18,575 (2025) |
| Deeds & Mortgages | Oct 2025 Sale & Mortgage Jul 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-1001-29 |
| Primary APN | 12-1001-29 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,585 sqft Living Area |
| Year Built | Built 1911 |
|---|---|
| Effective Year Built | Effective 1911 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,080 sqft (0.094 acres) |
| Street Address | 4126 EMERALD ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94609-2603 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00029 BLK: AR: 0012 PAGE: 1001 |
| Legal Subdivision | ALTON PARK |
| Legal Block | F |
| Legal Lot Number | 13 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 401200 |
4126 Emerald St is owned and occupied by two individuals who bought it in October 2025.
Source: Alameda County records, as of October 13, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4126 EMERALD ST, OAKLAND, CA 94609-2603 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 |
|---|---|
| Oct 10, 2025 | Grant Deed, Transfer · Conventional Mortgage CMG MORTGAGE INC |
| Jul 6, 2023 | Intrafamily Transfer, Transfer |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 10, 2025 · Amount on File |
| Deed Sale | Oct 10, 2025 · Amount on File |
| Prior Sale | Mar 16, 2016 · Amount on File |
| Deed Document Number | 2025127169 |
| Prior Transfer Date | Mar 4, 2015 |
| Prior Transfer Doc | 0000067567 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 10, 2025 |
| Property Address | 4126 EMERALD ST, OAKLAND, CA 94609-2603 |
| Document Number | 0000127169 |
| Map Reference | MB 17 PG 23 |
| Instrument Date | Sep 29, 2025 |
| Instrument | 2025127169 |
| Transaction Type | Transfer |
| Record Updated | Apr 2, 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 | $25,357.50 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Right of Survivorship |
| Address | 4126 EMERALD ST, OAKLAND, CA 94609-2603 |
| Document Number | 0000127170 |
|---|---|
| Date | Oct 10, 2025 |
| Instrument | 2025127170 |
| Name | CMG MORTGAGE INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Nov 1, 2055 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 6, 2023 |
| Property Address | 4126 EMERALD ST, OAKLAND, CA 94609-2603 |
| Document Number | 0000076205 |
| Map Reference | MB 17 PG 23 |
| Instrument Date | Jun 29, 2023 |
| Instrument | 2023076205 |
| Transaction Type | Transfer |
| Record Updated | Aug 11, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 243 TEXAS ST, SAN FRANCISCO, CA 94107-2428 |
The 2025 property tax bill for 4126 Emerald St was $18,575.
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 | $1,568,000 (+20.77%) Land $472,500 Building $1,102,500 | ||
| 2025 | $18,575.00 Homeowner's exemption | $1,298,294 Land $369,336 Building $928,958 | |
| 2023 | $18,885.00 (+2.69%) Homeowner's exemption | $1,247,887 (+2%) Land $354,996 Building $892,891 | $1,133,460 |
| 2022 | $18,390.00 Homeowner's exemption | $1,223,420 Land $348,036 Building $875,384 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4126 Emerald 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 4126 Emerald 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 808 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Google Fiber.
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