Alameda County property record for 423 N L St, Livermore, CA 94551
| Property Type | Medical Building |
|---|---|
| Details | 690 sqft · built 1961 |
| Lot Size | 0.115 acres (5,000 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $5,466 (2025) |
| Deeds & Mortgages | Jan 2022 Transfer Mar 2019 Transfer + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 98-237-4 |
| Primary APN | 98-237-4 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 690 sqft Total Area |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 5,000 sqft (0.115 acres) |
| Street Address | 423 N L ST |
|---|---|
| City | LIVERMORE |
| State | CA |
| Zip | 94551-8005 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | LOT: 00004 BLK: AR: 0098 PAGE: 0237 |
| Legal Subdivision | NORTHERN ADD |
| Legal Block | 25 |
| Legal Lot Number | 7,8 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 4 |
| Census Block | 4016 |
| Census Tract | 451404 |
423 N L St, a commercial property, is owned by an individual who acquired it in December 2021.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 901 N PERSHING AVE, STOCKTON, CA 95203-2141 |
| 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 |
|---|---|
| Jan 10, 2022 | Intrafamily Transfer, Transfer |
| Mar 20, 2019 | Quit Claim Deed, Transfer ATTORNEY ONLY |
| Mar 20, 2019 | Affidavit of Death, Transfer ATTORNEY ONLY |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 14, 2021 |
| Transfer Doc | 0000006429 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jan 10, 2022 |
| Property Address | 423 N L ST, LIVERMORE, CA 94551-8005 |
| Document Number | 0000006429 |
| Map Reference | MB 2 PG 51 |
| Instrument Date | Dec 14, 2021 |
| Instrument | 2022006429 |
| Transaction Type | Transfer |
| Record Updated | Feb 4, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 901 N PERSHING AVE, STOCKTON, CA 95203-2141 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 20, 2019 |
| Property Address | 423 N L ST, LIVERMORE, CA 94551-8005 |
| Document Number | 0000050200 |
| Instrument Date | Dec 28, 2018 |
| Instrument | 50200 |
| Transaction Type | Transfer |
| Record Updated | Apr 3, 2019 |
| Title Company | ATTORNEY ONLY |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 925 SYCAMORE RD PLEASANTON CA 945663833, PLEASANTON, CA 94566-3833 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Mar 20, 2019 |
| Property Address | 423 N L ST, LIVERMORE, CA 94551-8005 |
| Document Number | 0000050199 |
| Instrument Date | Dec 28, 2018 |
| Instrument | 50199 |
| Transaction Type | Transfer |
| Record Updated | Apr 9, 2019 |
| Title Company | ATTORNEY ONLY |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Personal Trust |
The 2025 property tax bill for 423 N L St was $5,466.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Livermore City |
| Unified School District | Livermore Valley Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $449,204 (+2%) Land $216,484 Building $232,720 | |
| 2025 | $5,466.00 | $440,398 Land $212,240 Building $228,158 |
| 2023 | $5,313.00 | $423,300 Land $204,000 Building $219,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 423 N L St 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.
The area around 423 N L 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 | CALIFORNIA WATER SERVICE - LIVERMORE private · serves 60,414 people · EPA ID CA0110003 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Dec 2024 |
| Also Mapped Here | CITY OF LIVERMORE |
| Lead | 8 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.
Source: FCC Broadband Data Collection, based on 659 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
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