Contra Costa County property record for 4867 Thiessen Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,788 sqft · built 1985 |
| Lot Size | 0.21 acres (9,152 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $72,500 (Jul 2003) |
| Tax Bill | $9,624 (2025) |
| Deeds & Mortgages | Apr 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 116-222-023-8 |
| Primary APN | 116-222-023-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 1,788 sqft Living Area |
| 1st Floor Area | 1,788 sqft |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1987 |
| Lot Area | 9,152 sqft (0.21 acres) |
| Garage Type | Attached |
| Garage Area | 479 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 4867 THIESSEN CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2200 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | T06132 L0008 B |
| Legal Subdivision | SUBDIVISION 6132 |
| Legal Tract | 06132 |
| Legal Lot Number | 8 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 333101 |
4867 Thiessen Ct is held in a trust since July 2003.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4867 THIESSEN CT, CONCORD, CA 94521-2200 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 22, 2003 · Amount on File |
| Deed Sale | Jul 22, 2003 · Amount on File |
| Prior Sale | Dec 21, 1993 · Amount on File |
| Deed Document Number | 2003349781 |
| Prior Transfer Date | Dec 16, 1993 |
| Prior Transfer Doc | 0000364525 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Apr 19, 2024 |
| Property Address | 4867 THIESSEN CT, CONCORD, CA 94521-2200 |
| Document Number | 0000036369 |
| Map Reference | LB 283 PG 22 |
| Instrument Date | Apr 13, 2024 |
| Instrument | 2024-036369 |
| Transaction Type | Transfer |
| Record Updated | May 2, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 4867 THIESSEN CT, CONCORD, CA 94521-2200 |
The 2025 property tax bill for 4867 Thiessen Ct was $9,624.
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 | $796,188 (+2%) Land $369,659 Building $426,529 | |
| 2025 | $9,624.00 | $780,577 Land $362,411 Building $418,166 |
| 2023 | $9,214.00 (+1.26%) | $750,268 Land $348,339 Building $401,929 |
| 2022 | $9,099.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4867 Thiessen Ct in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 4867 Thiessen Ct is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 633 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: Verizon.
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