Contra Costa County property record for 121 Armstrong St, Hercules, CA 94547 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,675 sqft · built 1989 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $8,319 (2025) |
| Deeds & Mortgages | Jan 2022 Line of Credit Sep 2019 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 362-361-012-2 |
| Primary APN | 362-361-012-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,675 sqft Living Area |
| 1st Floor Area | 1,435 sqft |
| 2nd Floor Area | 1,240 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 630 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 121 ARMSTRONG ST |
|---|---|
| City | HERCULES |
| State | CA |
| Zip | 94547-2025 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T6722 L12 |
| Legal Subdivision | SUBDIVISION 6722 |
| Legal Tract | 6722 |
| Legal Lot Number | 12 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | BRIONES |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 356002 |
Source: Contra Costa County records · APN 362-361-012-2
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 121 ARMSTRONG ST, HERCULES, CA 94547-2025 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jan 05, 2022 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Sep 03, 2019 | Deed of Trust, Mortgage · Line of Credit BANK OF THE WEST |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Nov 15, 2004 |
| Transfer Doc | 0000458690 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 121 ARMSTRONG ST, HERCULES, CA 94547-2025 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Name | Verified Name |
|---|---|
| Address | 121 ARMSTRONG ST, HERCULES, CA 94547-2025 |
| Document Number | 0000002487 |
|---|---|
| Date | Jan 05, 2022 |
| Instrument | 2022-002487 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 01, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 121 ARMSTRONG ST, HERCULES, CA 94547-2025 |
| Document Number | 0000195500 |
| Instrument Date | Sep 03, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Nov 13, 2019 |
| Title Company | FIRST AMERICAN TITLE |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 121 ARMSTRONG ST HERCULES CA 945472025, HERCULES, CA 94547-2025 |
| Document Number | 0000195500 |
|---|---|
| Date | Nov 04, 2019 |
| Instrument | 195500 |
| Name | BANK OF THE WEST |
|---|---|
| Type | Bank |
| Address | OMAHA, NE 68154 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Nov 03, 2049 |
| Rate Type | Adjustable Rate |
|---|
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Hercules City |
| Unified School District | West Contra Costa Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $548,359 (+2%) Land $137,797 Building $410,562 | |
| 2025 | $8,319.00 (+6.14%) | $537,608 (+4.04%) Land $135,096 Building $402,512 |
| 2023 | $7,838.00 (+1.14%) | $516,734 Land $129,851 Building $386,883 |
| 2022 | $7,750.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133560022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 7 (1993–2017) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Feb 2017, rainfall accumulation, Severe Winter Storms, Flooding, And Mudslides |
| Wildfire Risk | High above 75% of the US · above 50% of California |
|---|---|
| Wildfire Likelihood | About 1 in 209 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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, availability as of December 31, 2025 · Published October 2026 · based on 216 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Unwired. Availability varies by address; speeds are provider-advertised maximums, not measured.
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