Contra Costa County property record for 431 Rincon Rd, El Sobrante, CA 94803 · Last verified July 2026
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Details | 4,128 sqft · built 1962 |
| Lot Size | 1.33 acres (58,370 sqft) |
| Owner | Company Name on File |
| Tax Bill | $2,612 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 426-270-001-8 |
| Primary APN | 426-270-001-8 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 4,128 sqft Gross Area |
| 1st Floor Area | 4,128 sqft |
| Year Built | Built 1962 |
|---|---|
| Effective Year Built | Effective 1962 |
| Lot Area | 58,370 sqft |
| Street Address | 431 RINCON RD |
|---|---|
| City | EL SOBRANTE |
| State | CA |
| Zip | 94803-1628 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Legal Description | RO SAN PABLO POR LOT 248 |
| Legal Subdivision | RO SAN PABLO |
| Legal Lot Number | 248 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | WEST CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 363000 |
Source: Contra Costa County records · APN 426-270-001-8
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 | 431 RINCON RD, EL SOBRANTE, CA 94803-1628 |
| Owner Type | Company |
| Vesting | Joint Tenants |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 |
| 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 | $220,687 (+2%) Land $67,485 Building $153,202 | |
| 2025 | $2,612.00 (-39.17%) Additional exemption filed | $216,361 (+4.04%) Land $66,162 Building $150,199 |
| 2023 | $4,294.00 (+29.73%) Additional exemption filed | $207,961 Land $63,594 Building $144,367 |
| 2022 | $3,310.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 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 |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 542 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T, Sonic Telecom, Unwired. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures