Contra Costa County property record for 100 Walnut Blvd, Byron, CA 94514 · Last verified July 2026
| Property Type | Federal Property (Exempt) |
|---|---|
| Details | 1,221 sqft |
| Lot Size | 159 acres (6,962,194 sqft) |
| Owner | Company Name on File |
| Last Sale | $80,000 (Jun 1995) |
| Flood Zone | Zone X (minimal risk) |
| APN | 005-120-001-2 |
| Primary APN | 005-120-001-2 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,221 sqft Gross Area |
| 1st Floor Area | 1,221 sqft |
| Lot Area | 6,962,194 sqft |
|---|
| Street Address | 100 WALNUT BLVD |
|---|---|
| City | BYRON |
| State | CA |
| Zip | 94514 |
| Property Category | Public Works |
| Property Type | Public Works > Federal Property (Exempt) |
| Legal Description | POR SEC 18 T1S R3E EX 7/10 MR |
| Legal Range | 03E |
| Legal Township | 01S |
| Legal Section | 18 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 1 |
| Census Block | 1095 |
| Census Tract | 355112 |
Source: Contra Costa County records · APN 005-120-001-2
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 | Company Name on File |
|---|---|
| Mailing Address | 1331 CONCORD AVE, CONCORD, CA 94520-4907 |
| Owner Type | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 09, 1995 · Amount on Record |
| Deed Sale | Jun 09, 1995 · Amount on Record |
| Deed Document Number | 199591459 |
| 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 | Assessed Value |
|---|---|
| 2026 | $497,558 (+6.12%) Land $497,558 |
| 2023 | $468,861 Land $468,861 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133551121, 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 |
| Flood Insurance Cost | Premium on Record median of 14 individual NFIP policies nearby |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 14 in force |
| Nearby Flood Claims | 2 (1982–2017) |
| Most Recent Claim | Jan 2017, river or lake flooding, Severe Winter Storms, Flooding, And Mudslides |
| Wildfire Risk | Very High above 90% of the US · above 73% of California |
|---|---|
| Wildfire Likelihood | About 1 in 79 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
4G LTE (outdoors only), no 5G reported
Search by:
By searching, you agree to: Terms • Privacy • Disclosures