Alameda County property record for 12 Cornelius Sq, Alameda, CA 94501
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,743 sqft · built 2007 |
| Lot Size | 0.117 acres (5,104 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,065,500 (Oct 2007) |
| Tax Bill | $21,467 (2025) |
| Deeds & Mortgages | May 2021 Mortgage Apr 2020 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 74-1360-64 |
| Primary APN | 74-1360-64 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,743 sqft Living Area |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2007 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,104 sqft (0.117 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 12 CORNELIUS SQ |
|---|---|
| City | ALAMEDA |
| State | CA |
| Zip | 94501-3985 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00035 BLK: TR: 7512 |
| Legal Tract | 7512 |
| Legal Lot Number | 35 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | ALAMEDA |
| Census Block Group | 1 |
| Census Block | 1028 |
| Census Tract | 428700 |
12 Cornelius Sq is owner-occupied and held in a trust since July 2019.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| May 4, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Apr 16, 2020 | Deed of Trust, Mortgage QUICKEN LNS |
| Jul 22, 2019 | Quit Claim Deed, Transfer NOT AVAILABLE |
| Sep 6, 2018 | Quit Claim Deed, Transfer FIRST AMERICAN TITLE |
| Sep 6, 2018 | Intrafamily Transfer, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 18, 2007 · Amount on File |
| Deed Sale | Oct 18, 2007 · Amount on File |
| Deed Document Number | 2007368943 |
| Last Transfer Date | Jul 19, 2019 |
| Transfer Doc | 0000139282 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2026 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000172414 |
|---|---|
| Date | May 4, 2021 |
| Instrument | 2021172414 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Apr 1, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000115332 |
| Instrument Date | Apr 16, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Jul 8, 2020 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Address | 12 CORNELIUS SQ ALAMEDA CA 945013985, ALAMEDA, CA 94501-3985 |
| Document Number | 0000115332 |
|---|---|
| Date | May 19, 2020 |
| Instrument | 115332 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | May 18, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jul 22, 2019 |
| Property Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000139282 |
| Instrument Date | Jul 19, 2019 |
| Instrument | 139282 |
| Transaction Type | Transfer |
| Record Updated | Aug 5, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 12 CORNELIUS SQ ALAMEDA CA 945013985, ALAMEDA, CA 94501-3985 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 6, 2018 |
| Property Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000174178 |
| Instrument Date | Aug 30, 2018 |
| Instrument | 174178 |
| Transaction Type | Transfer |
| Record Updated | Sep 25, 2018 |
| Title Company | FIRST AMERICAN TITLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 12 CORNELIUS SQ ALAMEDA CA 945013985, ALAMEDA, CA 94501-3985 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 6, 2018 |
| Property Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000174179 |
| Map Reference | MB 285 PG 86-98 |
| Instrument Date | Aug 30, 2018 |
| Instrument | 2018174179 |
| Transaction Type | Transfer |
| Record Updated | Aug 19, 2021 |
| Title Company | FIRST AMERICAN TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 12 CORNELIUS SQ, ALAMEDA, CA 94501-3985 |
| Document Number | 0000174180 |
|---|---|
| Date | Sep 6, 2018 |
| Instrument | 2018174180 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2048 |
The 2025 property tax bill for 12 Cornelius Sq was $21,467 with a homeowner's exemption.
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,420,304 (+1.5%) Land $428,164 Building $999,140 | ||
| 2025 | $21,467.00 Homeowner's exemption | $1,399,328 Land $419,772 Building $979,556 | |
| 2023 | $20,272.00 Homeowner's exemption | $1,345,002 Land $403,475 Building $941,527 | $1,770,750 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12 Cornelius Sq in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| 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.
The area around 12 Cornelius Sq 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 296 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Google Fiber, Sonic Telecom.
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