Alameda County property record for 448 40th St, Oakland, CA 94609
| Property Type | Quadplex |
|---|---|
| Details | 4 bd · 4 ba · 3,007 sqft · built 1924 |
| Lot Size | 0.101 acres (4,400 sqft) |
| Owner | Company Name on Record |
| Last Sale | $737,000 (Mar 2009) |
| Tax Bill | $17,351 (2025) |
| Deeds & Mortgages | Jan 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 12-1011-10 |
| Primary APN | 12-1011-10 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Units | 4 Units |
| Stories | 2 Stories |
| Building Area | 3,007 sqft Living Area |
| Year Built | Built 1924 |
|---|---|
| Effective Year Built | Effective 1924 |
| Construction Type | Wood |
| Lot Area | 4,400 sqft (0.101 acres) |
| Street Address | 448 40TH ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94609-2594 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Quadplex |
| Legal Description | LOT: 00010 BLK: AR: 0012 PAGE: 1011 |
| Legal Subdivision | CENTRAL OAKLAND MAP 02 |
| Legal Block | Q |
| Legal Lot Number | 11 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 401100 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 448 40TH ST, OAKLAND, CA 94609-2594 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 19, 2009 · Amount on Record |
| Deed Sale | Mar 19, 2009 · Amount on Record |
| Prior Sale | Apr 30, 2004 · Amount on Record |
| Deed Document Number | 200981589 |
| Prior Transfer Date | Mar 12, 1996 |
| Prior Transfer Doc | 0000070845 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 28, 2022 |
| Property Address | 448 40TH ST, OAKLAND, CA 94609-2594 |
| Document Number | 0000019195 |
| Map Reference | MB 20 PG 84 |
| Instrument Date | Jan 24, 2022 |
| Instrument | 2022019195 |
| Transaction Type | Transfer |
| Record Updated | Jun 7, 2023 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 448 40TH ST, OAKLAND, CA 94609-2594 |
| Document Number | 0000019196 |
|---|---|
| Date | Jan 28, 2022 |
| Instrument | 2022019196 |
| Name | MECHANICS BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2052 |
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 | $967,990 (+2%) Land $290,397 Building $677,593 | |
| 2025 | $17,351.00 (+0.49%) | $949,011 (+4.04%) Land $284,703 Building $664,308 |
| 2023 | $17,267.00 | $912,170 Land $273,651 Building $638,519 |
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 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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