Alameda County property record for 421 Sybil Ave, San Leandro, CA 94577 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 3 ba · 3,232 sqft · built 1935 |
| Lot Size | 0.312 acres (13,600 sqft) |
| Owner | Company Name on File |
| Last Sale | $275,000 (Sep 1996) |
| Tax Bill | $7,240 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 77-572-30 |
| Primary APN | 77-572-30 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 3,232 sqft Living Area |
| Year Built | Built 1935 |
|---|---|
| Effective Year Built | Effective 1935 |
| Construction Type | Wood |
| Lot Area | 13,600 sqft (0.312 acres) |
| Street Address | 421 SYBIL AVE |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-5005 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00030 BLK: AR: 0077 PAGE: 0572 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 432602 |
Source: Alameda County records · APN 77-572-30
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 | 421 SYBIL AVE, SAN LEANDRO, CA 94577-5005 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Sep 10, 1996 · Amount on Record |
| Deed Sale | Sep 10, 1996 · Amount on Record |
| Deed Document Number | 1996225998 |
| Last Transfer Date | Apr 03, 2024 |
| Transfer Doc | 0000047162 |
| Record Updated | Sep 20, 2026 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | San Leandro City |
| Unified School District | San Leandro Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $449,818 (+0.44%) Land $137,045 Building $319,773 | ||
| 2025 | $7,240.00 (+6.19%) Homeowner's exemption | $447,861 (+4.04%) Land $134,358 Building $313,503 | |
| 2023 | $6,818.00 Homeowner's exemption | $430,473 Land $129,142 Building $301,331 | $1,170,720 |
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.
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