Alameda County property record for 15258 Upton Ave, San Leandro, CA 94578
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,760 sqft · built 1952 |
| Lot Size | 0.125 acres (5,463 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $5,408 (2025) |
| Deeds & Mortgages | Sep 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 77C-1278-48 |
| Primary APN | 77C-1278-48 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,760 sqft Living Area |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Construction Type | Wood |
| Lot Area | 5,463 sqft (0.125 acres) |
| Street Address | 15258 UPTON AVE |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94578-3923 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | LOT: 00034 BLK: 000C TR: 1147 |
| Legal Subdivision | TR 1147 |
| Legal Tract | 1147 |
| Legal Block | C |
| Legal Lot Number | 34 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 433102 |
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 Company Names on Record |
|---|---|
| Mailing Address | 408 SAND BEACH RD, ALAMEDA, CA 94501-5948 |
| Owner Type | Company |
| Vesting | Trust, Revocable Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 29, 2025 |
| Transfer Doc | 0000121783 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 30, 2025 |
| Property Address | 15258 UPTON AVE, SAN LEANDRO, CA 94578-3923 |
| Document Number | 0000121783 |
| Map Reference | MB 31 PG 85 & 86 |
| Instrument Date | Sep 29, 2025 |
| Instrument | 2025121783 |
| Transaction Type | Transfer |
| Record Updated | Oct 30, 2025 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 408 SAND BEACH RD, ALAMEDA, CA 94501-5948 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | San Leandro City |
| Unified School District | San Leandro Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $330,661 (+2%) Land $99,198 Building $231,463 | |
| 2025 | $5,408.00 (+4.42%) | $324,178 (+4.04%) Land $97,253 Building $226,925 |
| 2023 | $5,179.00 | $311,591 Land $93,477 Building $218,114 |
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 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AH, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 4 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; 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 792 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 / 250 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, T-Mobile, Tekify Fiber & Wireless.
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