Alameda County property record for 512 Westline Dr, Alameda, CA 94501
| Property Type | Medical Building |
|---|---|
| Details | 16,464 sqft · built 1969 |
| Lot Size | 0.275 acres (11,984 sqft) |
| Owner | Company Name on File |
| Last Sale | $2,035,000 (Jan 2016) |
| Tax Bill | $40,962 (2025) |
| Deeds & Mortgages | Aug 2019 Transfer |
| Flood Zone | Zone X (moderate risk) |
| APN | 74-1285-326 |
| Primary APN | 74-1285-326 |
|---|---|
| Alternative APN |
|
| Stories | 3 Stories |
|---|---|
| Building Area | 16,464 sqft Total Area |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1969 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Fire Resistance | Wood or Wood & Steel Frame |
| Lot Area | 11,984 sqft (0.275 acres) |
| Street Address | 512 WESTLINE DR |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-7649 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Medical Building |
| Legal Description | LOT: 00001 BLK: PM: 0097 PAGE: 0004 |
| Legal Lot Number | 2 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 428600 |
512 Westline Dr, a commercial property, is owned by a company that bought it in January 2016.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 7074 COMMERCE CIR, D, PLEASANTON, CA 94588-8026 |
| Owner Type | 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 |
|---|---|
| Last Sale | Jan 29, 2016 · Amount on File |
| Deed Sale | Jan 29, 2016 · Amount on File |
| Prior Sale | Jan 26, 2000 |
| Deed Document Number | 201621306 |
| Prior Transfer Date | Jan 14, 2016 |
| Prior Transfer Doc | 0000020507 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Aug 9, 2019 |
| Property Address | 512 WESTLINE DR, ALAMEDA, CA 94501-7649 |
| Document Number | 0000154572 |
| Instrument Date | May 10, 2019 |
| Instrument | 154572 |
| Transaction Type | Transfer |
| Record Updated | Aug 29, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 512 WESTLINE DR ALAMEDA CA 945017649, ALAMEDA, CA 94501-7649 |
The 2025 property tax bill for 512 Westline Dr was $40,962, up 1.8% from the year before.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Alameda City |
| Unified School District | Alameda City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,457,140 (+2%) Land $482,976 Building $1,974,164 | |
| 2025 | $40,962.00 (+1.85%) | $2,408,971 Land $473,508 Building $1,935,463 |
| 2024 | $40,218.00 (+0.76%) | |
| 2023 | $39,914.00 | $2,315,443 Land $455,124 Building $1,860,319 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 512 Westline Dr in Zone X, an area of moderate 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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 8 (10% premium discount) |
| Nearby Flood Policies | 4 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.
The area around 512 Westline Dr 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 | 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 378 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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