Alameda County property record for 657 Bartlett Ave, San Lorenzo, CA 94541
| Property Type | Single Family Home |
|---|---|
| Details | 20 bd · 20.5 ba · 77,456 sqft · built 1979 |
| Lot Size | 1.9 acres (83,091 sqft) |
| Owner | Company Name on File |
| Tax Bill | $56,801 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 412-87-77-2 |
| Primary APN | 412-87-77-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 20 Beds |
|---|---|
| Full Baths | 20.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 80 Rooms |
| Units | 95 Units |
| Stories | 3 Stories |
| Building Area | 77,456 sqft Living Area |
| Exercise Room | Exercise Room |
| Security Alarm | Security Alarm |
| Elevator | Elevator |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Construction Type | Wood |
| Lot Area | 83,091 sqft |
| Street Address | 657 BARTLETT AVE |
|---|---|
| City | SAN LORENZO |
| State | CA |
| Zip | 94541-3658 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 0000A BLK: PM: 0097 PAGE: 0088 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 436100 |
657 Bartlett Ave, a single family home, is owned by a company.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 590 LENNON LN, 110, WALNUT CREEK, CA 94598-5923 |
| Owner Type | Company |
| Vesting | Company |
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 | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 657 Bartlett Ave was $56,801.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Unified School District | San Lorenzo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $6,658,216 (+1.35%) Land $429,263 Building $6,228,953 | |
| 2025 | $56,801.00 | $6,569,846 Land $420,848 Building $6,148,998 |
| 2023 | $52,325.00 | $6,321,852 Land $404,506 Building $5,917,346 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 657 Bartlett Ave 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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.
Wildfire risk around 657 Bartlett 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 | CITY OF HAYWARD serves 162,954 people · EPA ID CA0110006 |
|---|---|
| Water Source | Purchased surface water from SAN FRANCISCO REGIONAL WATER SYSTEM |
| Last State Inspection | Mar 2025 |
| Also Mapped Here | EAST BAY MUD |
| Lead | Under 1 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 746 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 |
| RobinsonHSS Fixed Wireless | 1,000 / 1,000 |
| Tekify Fiber & Wireless Fixed Wireless | 530 / 115 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks, T-Mobile.
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