Alameda County property record for 1901 Flagstone Dr, Union City, CA 94587
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,492 sqft · built 1996 |
| Lot Size | 0.05 acres (2,185 sqft) |
| Owner | Company Name on File |
| Last Sale | $635,000 (Oct 2016) |
| Tax Bill | $10,433 (2025) |
| Deeds & Mortgages | Jun 2026 Mortgage Oct 2023 Transfer + 5 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 87-16-2 |
| Primary APN | 87-16-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,492 sqft Living Area |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Townhouse |
| Construction Type | Wood |
| Lot Area | 2,185 sqft (0.05 acres) |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 1901 FLAGSTONE DR |
|---|---|
| City | UNION CITY |
| State | CA |
| Zip | 94587-7903 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT: 0002G BLK: TR: 6796 ;LOT: 0002L BLK: TR: 6796 |
| Legal Subdivision | WESTALL |
| Legal Tract | 6796 |
| Legal Block | A |
| Legal Lot Number | 2G&2L |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | FREMONT |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 440338 |
Source: Alameda County records · APN 87-16-2
Assessment roll updated August 5, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jun 29, 2026 | Deed of Trust, Mortgage · Conventional Mortgage SPRING EQ LLC |
| Oct 06, 2023 | Intrafamily Transfer, Transfer |
| May 02, 2023 | Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC |
| Sep 08, 2022 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Aug 16, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Sep 03, 2019 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Jan 22, 2018 | Deed of Trust, Mortgage · Conventional with PMI QUICKEN LNS |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Oct 17, 2016 · Amount on Record |
| Deed Sale | Oct 17, 2016 · Amount on Record |
| Prior Sale | Jun 19, 2009 · Amount on Record |
| Deed Document Number | 2016268114 |
| Last Transfer Date | Sep 22, 2023 |
| Transfer Doc | 0000116853 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Jun 29, 2026 |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000084431 |
| Instrument Date | Jun 22, 2026 |
| Instrument | 202684431 |
| Transaction Type | Mortgage |
| Record Updated | Aug 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Name | Verified Name |
|---|---|
| Relationship | Family Trust, 221 |
| Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000084431, |
|---|---|
| Date | Jun 29, 2026 |
| Instrument | 202684431 |
| Name | SPRING EQ LLC |
|---|
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 01, 2056 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 6.51% |
| Initial Type | Fixed Rate |
| Max Rate | -1% |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Oct 06, 2023 |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000116853 |
| Map Reference | MB 226 PG 1-7 |
| Instrument Date | Sep 22, 2023 |
| Instrument | 2023116853 |
| Transaction Type | Transfer |
| Record Updated | Nov 09, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Family Trust |
| Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Transaction Type | Mortgage |
| Record Updated | May 29, 2023 |
| Name | Verified Name |
|---|---|
| Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000049304 |
|---|---|
| Date | May 02, 2023 |
| Instrument | 2023049304 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Stand-Alone Second Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2053 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Transaction Type | Mortgage |
| Record Updated | Oct 04, 2022 |
| Title Company | RADIAN SETTLEMENT SVCS INC |
| Name | Verified Name |
|---|---|
| Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000155153 |
|---|---|
| Date | Sep 08, 2022 |
| Instrument | 2022155153 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Aug 14, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Transaction Type | Mortgage |
| Record Updated | Sep 08, 2021 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000277866 |
|---|---|
| Date | Aug 16, 2021 |
| Instrument | 2021277866 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 353 Months |
| Due | Jan 01, 2051 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SOLIDIFI US INC |
| Name | Verified Name |
|---|
| Document Number | 0000172429 |
|---|---|
| Date | Sep 03, 2019 |
| Instrument | 2019172429 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Aug 04, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 1901 FLAGSTONE DR, UNION CITY, CA 94587-7903 |
| Document Number | 0000019530 |
| Instrument Date | Jan 22, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Feb 20, 2018 |
| Title Company | TITLE SOURCE |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 1901 FLAGSTONE DR UNION CITY CA 945877903, UNION CITY, CA 94587-7903 |
| Document Number | 0000019530 |
|---|---|
| Date | Feb 01, 2018 |
| Instrument | 19530 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 31, 2048 |
Source: Alameda County records · Assessment roll updated August 5, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Union City |
| Unified School District | New Haven Unified School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $744,693 (+1.05%) Land $225,508 Building $526,185 | ||
| 2025 | $10,433.00 (+1.87%) Homeowner's exemption | $736,954 (+4.04%) Land $221,086 Building $515,868 | |
| 2023 | $10,241.00 Homeowner's exemption | $708,341 Land $212,502 Building $495,839 | $959,130 |
Source: FEMA National Flood Hazard Layer as of May 25, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 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 | 5 in force |
| 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 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: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Tekify Fixed Wireless | 1,000 / 1,000 |
| Robinson Hardware and Software Solutions Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Sail Internet Holdings Fixed Wireless · DSL in parts of the area | 200 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
May also be available: California Internet.
Based on FCC filings for 477 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | ALAMEDA COUNTY WATER DISTRICT serves 344,000 people |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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