Alameda County property record for 421 Bartlett Ave, San Lorenzo, CA 94541
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,423 sqft · built 1947 |
| Lot Size | 0.189 acres (8,233 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $600,000 (Nov 2023) |
| Tax Bill | $8,091 (2025) |
| Deeds & Mortgages | Nov 2023 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 412-95-56 |
| Primary APN | 412-95-56 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,423 sqft Living Area |
| 1st Floor Area | 1,423 sqft |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 8,233 sqft (0.189 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 421 BARTLETT AVE |
|---|---|
| City | SAN LORENZO |
| State | CA |
| Zip | 94541-3607 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 0000B BLK: PM: 0135 PAGE: 0009 |
| Legal Subdivision | PARCEL MAP 3554 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | HAYWARD |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 436100 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 421 BARTLETT AVE, SAN LORENZO, CA 94541-3607 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 30, 2023 · Amount on Record |
| Deed Sale | Nov 30, 2023 · Amount on Record |
| Deed Document Number | 2023139898 |
| Prior Transfer Date | Dec 7, 2015 |
| Prior Transfer Doc | 0000334315 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Nov 30, 2023 |
| Property Address | 421 BARTLETT AVE, HAYWARD, CA 94541-3607 |
| Document Number | 0000139898 |
| Map Reference | MB 135 PG 9&10 |
| Instrument Date | Nov 29, 2023 |
| Instrument | 2023139898 |
| Transaction Type | Transfer |
| Record Updated | Jan 31, 2024 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $660.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 421 BARTLETT AVE, HAYWARD, CA 94541-3607 |
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $617,240 (+0.86%) Land $187,272 Building $436,968 | ||
| 2025 | $8,091.00 (+90.56%) Homeowner's exemption | $612,000 (+114.28%) Land $183,600 Building $428,400 | |
| 2023 | $4,246.00 | $285,606 Land $62,060 Building $223,546 | $549,630 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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.
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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