Contra Costa County property record for 10000 Armstrong Rd, Byron, CA 94514 · Last verified July 2026
| Property Type | Pasture |
|---|---|
| Details | 1,532 sqft · built 1984 |
| Lot Size | 158 acres (6,882,480 sqft) |
| Owner | Company Name on File |
| Tax Bill | $3,971 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 001-011-005-4 |
| Primary APN | 001-011-005-4 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 1,532 sqft Gross Area |
| 1st Floor Area | 1,532 sqft |
| Year Built | Built 1984 |
|---|---|
| Effective Year Built | Effective 1984 |
| Lot Area | 6,882,480 sqft |
| Parking Spaces | 4 Parking Spaces |
| Street Address | 10000 ARMSTRONG RD |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514-1612 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Pasture |
| Legal Description | POR SEC 28 T1S R3E EX 1/2 MR |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 28 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | EAST CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1023 |
| Census Tract | 304002 |
Source: Contra Costa County records · APN 001-011-005-4
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 | Company Name on File |
|---|---|
| Mailing Address | 10000 ARMSTRONG RD, BYRON, CA 94514-1612 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Transfer Date | May 05, 2003 |
| Transfer Doc | 0000264347 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Elementary School District | Byron Union Elementary School District (KG - 08) |
| Secondary School District | Liberty Union High School District (09 - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $354,838 (+2%) Land $95,784 Building $259,054 | |
| 2025 | $3,971.00 (+4.75%) | $347,881 (+4.04%) Land $93,906 Building $253,975 |
| 2023 | $3,791.00 (+1.55%) | $334,374 Land $90,260 Building $244,114 |
| 2022 | $3,733.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133040021, 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 AE, within 100 ft |
| Flood Insurance Cost | Premium on Record median of 22 individual NFIP policies nearby |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 22 in force |
| Nearby Flood Claims | 7 (1980–2023) |
| Claims Outside the SFHA | 2 of 7 |
| Most Recent Claim | Mar 2023, rainfall accumulation |
| Claims By Storm |
|
| Wildfire Risk | Very High above 93% of the US · above 77% of California |
|---|---|
| Wildfire Likelihood | About 1 in 69 per year |
| Exposure | Direct burnable vegetation at the parcel |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 1 locations within about half a mile of this property, a small sample
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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