Alameda County property record for 443 Joaquin Ave, San Leandro, CA 94577
| Property Type | Medical Building |
|---|---|
| Details | 3,226 sqft · built 1965 |
| Lot Size | 0.263 acres (11,459 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $5,864 (2025) |
| Deeds & Mortgages | Aug 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 77-538-19 |
| Primary APN | 77-538-19 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 3,226 sqft Total Area |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 11,459 sqft (0.263 acres) |
| Street Address | 443 JOAQUIN AVE |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-4902 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | LOT: 00019 BLK: AR: 0077 PAGE: 0538 |
| Legal Subdivision | ESTUDILLO |
| Legal Block | 22 |
| Legal Lot Number | 7&6 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 432602 |
443 Joaquin Ave, a commercial property, is owned by two individuals who acquired it in April 2007.
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 142 JOAQUIN AVE, SAN LEANDRO, CA 94577-4708 |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Apr 12, 2007 |
| Transfer Doc | 0000159256 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 443 JOAQUIN AVE, SAN LEANDRO, CA 94577-4902 |
| Document Number | 0000184853 |
| Instrument Date | Aug 14, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Sep 19, 2017 |
| Title Company | PLACER TITLE COMPANY, PLACER TITLE CO. |
| Name | Verified Name |
|---|---|
| Address | 142 JOAQUIN AVE SAN LEANDRO CA 945774708, SAN LEANDRO, CA 94577-4708 |
| Document Number | 0000184853 |
|---|---|
| Date | Aug 23, 2017 |
| Instrument | 184853 |
| Name | TRI-VALLEY BK |
|---|---|
| Type | Bank |
| Address | SAN RAMON, CA 94583 |
| Amount | Amount on Record |
|---|
| Rate Type | Adjustable Rate |
|---|
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 | $438,957 (+2%) Land $289,481 Building $149,476 | |
| 2025 | $5,864.00 (+3.53%) | $430,351 (+4.04%) Land $283,805 Building $146,546 |
| 2023 | $5,664.00 | $413,643 Land $272,787 Building $140,856 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 443 Joaquin Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 443 Joaquin Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Starlink Satellite | 280 / 30 |
May also be available: GeoLinks, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures