Alameda County property record for 3733 Avansino St, San Leandro, CA 94578
| Property Type | Single Family Home |
|---|---|
| Details | 1,356 sqft · built 1978 |
| Lot Size | 0.095 acres (4,156 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,214 (2025) |
| Deeds & Mortgages | Jun 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 77B-1157-56 |
| Primary APN | 77B-1157-56 |
|---|---|
| Alternative APN |
|
| Building Area | 1,356 sqft Living Area |
|---|---|
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | L-Shape |
| Exterior Material | Wood Siding |
| Construction Type | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 4,156 sqft (0.095 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3733 AVANSINO ST |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94578-4163 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | LOT: 00014 BLK: TR: 4016 |
| Legal Tract | 4016 |
| Legal Lot Number | 46 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 433200 |
3733 Avansino St is owned and occupied by two individuals who acquired it in February 1999.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3733 AVANSINO ST, SAN LEANDRO, CA 94578-4163 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 4, 1999 |
| Deed Sale | Feb 4, 1999 |
| Prior Sale | Dec 16, 1998 · Amount on File |
| Deed Document Number | 199953608 |
| Prior Transfer Date | Jan 21, 1994 |
| Prior Transfer Doc | 0000241293 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 3733 AVANSINO ST, SAN LEANDRO, CA 94578-4163 |
| Transaction Type | Mortgage |
| Record Updated | Jul 5, 2021 |
| Title Company | TITLE 365, TITLE365 |
| Name | Verified Name |
|---|---|
| Address | 3733 AVANSINO ST, SAN LEANDRO, CA 94578-4163 |
| Document Number | 0000217825 |
|---|---|
| Date | Jun 16, 2021 |
| Instrument | 2021217825 |
| Name | BETTER MORTGAGE CORPORATION |
|---|---|
| Type | Mortgage Company |
| Address | NEW YORK, NY 10007 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2051 |
The 2025 property tax bill for 3733 Avansino St was $4,214 with a homeowner's exemption.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $281,134 (-0.48%) Land $86,344 Building $201,790 | ||
| 2025 | $4,214.00 Homeowner's exemption | $282,484 Land $84,651 Building $197,833 | |
| 2023 | $4,047.00 Homeowner's exemption | $271,518 Land $81,365 Building $190,153 | $766,170 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 3733 Avansino St in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 16 policies |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 16 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.
The area around 3733 Avansino St has no burnable land within ember reach, so its wildfire risk is not rated.
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 544 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| 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: GeoLinks, RobinsonHSS, Sonic Telecom, T-Mobile, Tekify Fiber & Wireless.
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