Alameda County property record for 666 Superior Ave, San Leandro, CA 94577
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,634 sqft · built 1939 |
| Lot Size | 0.115 acres (4,992 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $541,000 (Aug 2009) |
| Tax Bill | $9,590 (2025) |
| Deeds & Mortgages | Aug 2022 Mortgage Jul 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 76-356-14 |
| Primary APN | 76-356-14 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,634 sqft Living Area |
| Year Built | Built 1939 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,992 sqft (0.115 acres) |
| Street Address | 666 SUPERIOR AVE |
|---|---|
| City | SAN LEANDRO |
| State | CA |
| Zip | 94577-3054 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00008 BLK: TR: 0519 |
| Legal Subdivision | TRACT 519 FILED FEBRUARY 24 1937 |
| Legal Tract | 0519 |
| Legal Lot Number | 8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 3 |
| Census Block | 3010 |
| Census Tract | 432100 |
666 Superior Ave is owned and occupied by two individuals who acquired it in February 2014.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 666 SUPERIOR AVE, SAN LEANDRO, CA 94577-3054 |
| 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.
| Date | Document |
|---|---|
| Aug 16, 2022 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 30, 2020 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 11, 2009 · Amount on File |
| Deed Sale | Aug 11, 2009 · Amount on File |
| Deed Document Number | 2009256463 |
| Last Transfer Date | Feb 20, 2014 |
| Transfer Doc | 0000056119 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 666 SUPERIOR AVE, SAN LEANDRO, CA 94577-3054 |
| Transaction Type | Mortgage |
| Record Updated | Sep 9, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 666 SUPERIOR AVE, SAN LEANDRO, CA 94577-3054 |
| Document Number | 0000143311 |
|---|---|
| Date | Aug 16, 2022 |
| Instrument | 2022143311 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Sep 1, 2037 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 666 SUPERIOR AVE, SAN LEANDRO, CA 94577-3054 |
| Transaction Type | Mortgage |
| Record Updated | Aug 22, 2022 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 666 SUPERIOR AVE, SAN LEANDRO, CA 94577-3054 |
| Document Number | 0000182492 |
|---|---|
| Date | Jul 30, 2020 |
| Instrument | 2020182492 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 121 Months |
| Due | Aug 1, 2030 |
The 2025 property tax bill for 666 Superior Ave was $9,590 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 | $707,880 (+1%) Land $214,464 Building $500,416 | ||
| 2025 | $9,590.00 Homeowner's exemption | $700,865 Land $210,259 Building $490,606 | |
| 2023 | $9,175.00 Homeowner's exemption | $673,655 Land $202,096 Building $471,559 | $1,030,590 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 666 Superior Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1994.
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 |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 1 (1994) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Nov 1994 · other causes |
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.
Wildfire risk around 666 Superior 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 | Indirect 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 744 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 | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Unwired.
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