Contra Costa County property record for 831 San Simeon Dr, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,266 sqft · built 1963 |
| Lot Size | 0.14 acres (6,100 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,968 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 129-322-006-5 |
| Primary APN | 129-322-006-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,266 sqft Living Area |
| 1st Floor Area | 1,266 sqft |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Lot Area | 6,100 sqft (0.14 acres) |
| Garage Type | Attached |
| Garage Area | 456 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 831 SAN SIMEON DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2221 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2949 LOT 155 EX MR |
| Legal Subdivision | MONTE GARDENS |
| Legal Tract | 2949 |
| Legal Lot Number | 155 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4005 |
| Census Tract | 337202 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 831 SAN SIMEON DR, CONCORD, CA 94518-2221 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jun 7, 2014 |
| Transfer Doc | 0000093408 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Concord City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $87,951 (+2%) Land $32,972 Building $54,979 | |
| 2025 | $1,968.00 (+7.01%) | $86,227 (+4.04%) Land $32,326 Building $53,901 |
| 2023 | $1,839.00 (+2.97%) | $82,881 Land $31,072 Building $51,809 |
| 2022 | $1,786.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jan 2022 |
| Lead | Under 1 ppb (2026–2028) 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, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 645 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| AT&T DSL | 100 / 20 |
May also be available: T-Mobile, Verizon.
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