Alameda County property record for 643 E 18th St, Oakland, CA 94606 · Last verified August 2026
| Property Type | Residential > Multi-Unit > Quadplex |
|---|---|
| Bedrooms | 8 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 1982 |
| Square Footage | 2,322 sqft Living Area |
| Lot Size | 2,795 sqft (0.064 acres) |
| Last Sale | $430,000 (2015) |
| Tax Bill | $12,429.00 (2025) |
Source: Alameda County records · APN 21-220-4
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 18352 JOSEPH DR, CASTRO VALLEY, CA 94546-2204 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| May 20, 2026 | Grant Deed, Transfer NONE LISTED ON DOCUMENT |
| Dec 22, 2021 | Deed of Trust, Mortgage · Conventional Mortgage BETTER MORTGAGE CORPORATION |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Mar 03, 2015 · Amount on Record |
| Deed Sale | Mar 03, 2015 · Amount on Record |
| Deed Doc Number | 201557939 |
| Prior Transfer Date | Jan 19, 2006 |
| Prior Transfer Doc | 0000086781 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | May 20, 2026 |
| Property Address | 643 E 18TH ST, OAKLAND, CA 94606-2415 |
| Document Number | 0000066570 |
| Instrument Date | Sep 19, 2025 |
| Instrument | 202666570 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18352 JOSEPH DR, CASTRO VALLEY, CA 94546-2204 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 643 E 18TH ST, OAKLAND, CA 94606-2415 |
| Transaction Type | Mortgage |
| Record Updated | Jan 14, 2022 |
| Name | Verified Name |
|---|---|
| Address | 18352 JOSEPH DR, CASTRO VALLEY, CA 94546-2204 |
| Document Number | 0000403084 |
|---|---|
| Date | Dec 22, 2021 |
| Instrument | 2021403084 |
| Name | BETTER MORTGAGE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | NEW YORK, NY 10007 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2052 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Oakland City |
| Unified School District | Oakland Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $665,611 (+2%) Land $158,133 Building $507,478 | |
| 2025 | $12,429.00 (+0.94%) | $652,563 (+4.04%) Land $155,033 Building $497,530 |
| 2023 | $12,313.00 | $627,227 Land $149,014 Building $478,213 |
Source: FEMA National Flood Hazard Layer, Alameda County (06001C), updated May 25, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 21-220-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Units | 4 Units |
| Building Area | 2,322 sqft Living Area |
| Stories | 2 Stories |
| Year Built | Built 1916 |
|---|---|
| Effective Year Built | Effective 1982 |
| Construction Type | Wood Construction |
| Lot Area | 2,795 sqft (0.064 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 643 E 18TH ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94606-2415 |
| Property Usage | Residential Property Usage |
| Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT: 00004 BLK: AR: 0021 PAGE: 0220 |
| Legal Subdivision | HIGLEYS MAP/CLINTON |
| Legal Block | 98 |
| Jurisdiction | ALAMEDA CA |
| Minor Civil Division | OAKLAND |
| Census Blockgroup | 2 |
| Census Block | 2001 |
| Census Tract | 405401 |
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