Alameda County property record for 6601 Shellmound St, Emeryville, CA 94608
| Property Type | R&D Facility, Laboratory |
|---|---|
| Details | 29,700 sqft · built 1960 |
| Lot Size | 0.932 acres (40,587 sqft) |
| Owner | Company Name on File |
| Last Sale | $36,000,000 (Dec 2021) |
| Tax Bill | $222,716 (2025) |
| Deeds & Mortgages | Dec 2021 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 49-1490-3 |
| Primary APN | 49-1490-3 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 29,700 sqft Total Area |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Custom Design |
| Construction Type | Masonry / Concrete Block |
| Fire Resistance | Masonry Walls, Wood Interior |
| Lot Area | 40,587 sqft (0.932 acres) |
| Street Address | 6601 SHELLMOUND ST |
|---|---|
| City | EMERYVILLE |
| State | CA |
| Zip | 94608-1021 |
| Property Category | Industrial |
| Property Type | Industrial > R&D Facility, Laboratory |
| Legal Description | LOT: 00001 BLK: AR: 0049 PAGE: 1490 ;LOT: 00003 BLK: AR: 0049 PAGE: 1490 |
| Legal Subdivision | RANCHO SAN ANTONIO |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 425102 |
6601 Shellmound St, an industrial property, is owned by a company that bought it in December 2021.
Source: Alameda County records, as of August 27, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 260 FRANKLIN ST, 1920, BOSTON, MA 02110-3115 |
| Owner Type | Company |
| Vesting | Limited Liability 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 | Dec 22, 2021 · Amount on File |
| Deed Sale | Dec 22, 2021 · Amount on File |
| Prior Sale | Jun 9, 2006 |
| Deed Document Number | 2021402850 |
| Prior Transfer Date | Jun 7, 2006 |
| Prior Transfer Doc | 0000224009 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Dec 22, 2021 |
| Property Address | 6601 SHELLMOUND ST, EMERYVILLE, CA 94608-1021 |
| Document Number | 0000402850 |
| Map Reference | MB 17 PG 12 |
| Instrument Date | Dec 21, 2021 |
| Instrument | 2021402850 |
| Transaction Type | Transfer |
| Record Updated | Jul 19, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 260 FRANKLIN ST STE 1920, 1920, BOSTON, MA 02110-3115 |
The 2025 property tax bill for 6601 Shellmound St was $222,716, up 3.3% from the year before.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Emeryville City |
| Unified School District | Emery Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $17,708,390 (+2%) Land $5,395,863 Building $12,312,527 | |
| 2025 | $222,716.00 (+3.3%) | $17,361,232 Land $5,290,082 Building $12,071,150 |
| 2024 | $215,600.00 (-0.29%) | |
| 2023 | $216,218.00 | $16,687,200 Land $5,084,700 Building $11,602,500 |
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.
FEMA maps place 6601 Shellmound 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 6601 Shellmound 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 | 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 90 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks, GeoLinks, Google Fiber, Sail Internet, Verizon.
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