Alameda County property record for 823 E 21st St, Oakland, CA 94606
| Property Type | Duplex |
|---|---|
| Details | 3 bd · 2 ba · 1,972 sqft · built 1900 |
| Lot Size | 0.09 acres (3,900 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $33,500 (Mar 1998) |
| Tax Bill | $5,417 (2025) |
| Deeds & Mortgages | Sep 2017 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-271-3 |
| Primary APN | 21-271-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,972 sqft Living Area |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 3,900 sqft (0.09 acres) |
| Street Address | 823 E 21ST ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94606-2013 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00003 BLK: AR: 0021 PAGE: 0271 |
| Legal Subdivision | HIGLEYS MAP/CLINTON |
| Legal Block | 125 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 405500 |
Source: Alameda County records, as of August 5, 2026
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 Record |
|---|---|
| Mailing Address | 823 E 21ST ST, OAKLAND, CA 94606-2013 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 6, 1998 · Amount on Record |
| Deed Sale | Mar 6, 1998 · Amount on Record |
| Deed Document Number | 199876225 |
| Last Transfer Date | Aug 1, 2017 |
| Transfer Doc | 0000193415 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 1, 2017 |
| Property Address | 823 E 21ST ST, OAKLAND, CA 94606-2013 |
| Document Number | 0000193415 |
| Instrument Date | Sep 1, 2017 |
| Instrument | 193415 |
| Transaction Type | Transfer |
| Record Updated | Oct 6, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 823 E 21ST ST OAKLAND CA 946062013, OAKLAND, CA 94606-2013 |
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 |
|---|---|---|
| 2026 | $233,630 (-0.97%) Land $67,339 Building $173,291 | |
| 2025 | $5,417.00 (+2.19%) Homeowner's exemption | $235,913 (+4.04%) Land $66,019 Building $169,894 |
| 2023 | $5,301.00 Homeowner's exemption | $226,753 Land $63,455 Building $163,298 |
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
| 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.
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 1,031 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 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, Google Fiber, T-Mobile.
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