Alameda County property record for 604 23rd St, Oakland, CA 94612
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 2 ba · 1,966 sqft · built 1904 |
| Lot Size | 0.111 acres (4,828 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $415,000 (May 2007) |
| Tax Bill | $8,968 (2025) |
| Deeds & Mortgages | Feb 2019 Transfer Dec 2018 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 8-664-20-3 |
| Primary APN | 8-664-20-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,966 sqft Living Area |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1904 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,828 sqft (0.111 acres) |
| Street Address | 604 23RD ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94612-1720 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00003 BLK: 0020 AR: 0008 PAGE: 0664 |
| Legal Subdivision | SIMPSON |
| Legal Lot Number | 26 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 401300 |
604 23rd St is owned and occupied by two individuals who acquired it in February 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 604 23RD ST, OAKLAND, CA 94612-1720 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
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 |
|---|---|
| Feb 28, 2019 | Quit Claim Deed, Transfer Quitclaim |
| Dec 21, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Dec 21, 2018 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 9, 2007 · Amount on File |
| Deed Sale | May 9, 2007 · Amount on File |
| Prior Sale | Apr 27, 2007 · Amount on File |
| Deed Document Number | 2007180493 |
| Last Transfer Date | Feb 14, 2019 |
| Transfer Doc | 0000037561 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Feb 28, 2019 |
| Property Address | 604 23RD ST, OAKLAND, CA 94612-1720 |
| Document Number | 0000037561 |
| Instrument Date | Feb 14, 2019 |
| Instrument | 37561 |
| Transaction Type | Transfer |
| Record Updated | Mar 18, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 604-23 ST OAKLAND CA 94612, OAKLAND, CA 94612 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 21, 2018 |
| Property Address | 604 23RD ST, OAKLAND, CA 94612-1720 |
| Document Number | 0000241606 |
| Instrument Date | Nov 28, 2018 |
| Instrument | 241606 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 604-23RD ST OAKLAND CA 94612, OAKLAND, CA 94612 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 21, 2018 |
| Property Address | 604 23RD ST, OAKLAND, CA 94612-1720 |
| Document Number | 0000241607 |
| Instrument Date | Nov 28, 2018 |
| Instrument | 241607 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 604-23RD ST OAKLAND CA 94612, OAKLAND, CA 94612 |
The 2025 property tax bill for 604 23rd St was $8,968 with a homeowner's exemption, up 4.1% 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 | $559,947 (+2.03%) Land $169,988 Building $396,959 | ||
| 2025 | $8,968.00 (+4.06%) Homeowner's exemption | $548,833 Land $166,656 Building $389,177 | |
| 2024 | $8,618.00 (-4.48%) | ||
| 2023 | $9,022.00 Homeowner's exemption | $534,254 Land $160,186 Building $374,068 | $685,080 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 604 23rd St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 604 23rd 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 534 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| 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: Astound Broadband, GeoLinks, Google Fiber, Sail Internet, Sonic Telecom, Verizon.
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