Alameda County property record for 4251 Porter St, Oakland, CA 94619
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,229 sqft · built 1910 |
| Lot Size | 0.08 acres (3,500 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $670,000 (Aug 2019) |
| Tax Bill | $11,318 (2025) |
| Deeds & Mortgages | Aug 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 32-2032-34 |
| Primary APN | 32-2032-34 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,229 sqft Living Area |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Tar & Gravel |
| Lot Area | 3,500 sqft (0.08 acres) |
| Lot Dimensions | 70 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4251 PORTER ST |
|---|---|
| City | OAKLAND |
| State | CA |
| Zip | 94619-1837 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00034 BLK: AR: 0032 PAGE: 2032 |
| Legal Subdivision | FREMONT |
| Legal Lot Number | 210&2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 407000 |
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 | 4251 PORTER ST, OAKLAND, CA 94619-1837 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 9, 2019 · Amount on Record |
| Deed Sale | Aug 9, 2019 · Amount on Record |
| Prior Sale | Jul 21, 2010 · Amount on Record |
| Deed Document Number | 2019154928 |
| Prior Transfer Date | Feb 1, 2012 |
| Prior Transfer Doc | 0000047903 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 9, 2019 |
| Property Address | 4251 PORTER ST, OAKLAND, CA 94619-1837 |
| Document Number | 0000154928 |
| Map Reference | MB 26 PG 14 |
| Instrument Date | Aug 5, 2019 |
| Instrument | 2019154928 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2022 |
| Title Company | OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4251 PORTER ST, OAKLAND, CA 94619-1837 |
| Document Number | 0000154929 |
|---|---|
| Date | Aug 9, 2019 |
| Instrument | 2019154929 |
| Name | COMMERCE HOME MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | FHA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Sep 1, 2049 |
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 | $668,000 (-8.83%) Land $200,400 Building $467,600 | ||
| 2025 | $11,318.00 (-1.25%) | $732,731 (+4.04%) Land $219,819 Building $512,912 | |
| 2023 | $11,461.00 | $704,283 Land $211,285 Building $492,998 | $726,210 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 933 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 · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
May also be available: Etheric Networks, GeoLinks, T-Mobile.
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