Contra Costa County property record for 3668 Joan Ave, Concord, CA 94521
| Property Type | Townhouse |
|---|---|
| Details | 2 bd · 2 ba · 949 sqft · built 1985 |
| Lot Size | 0.076 acres (3,300 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $4,240 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 132-260-009-7 |
| Primary APN | 132-260-009-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 949 sqft Living Area |
| Gross Area | 1,369 sqft |
| 1st Floor Area | 949 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Townhouse |
| Exterior Material | Wood Siding |
| Roof Material | Composition Shingle |
| Lot Area | 3,300 sqft (0.076 acres) |
| Lot Dimensions | 106 ft deep x 33 ft wide |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3668 JOAN AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-2536 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | R8 |
| Legal Description | T06444 L0009 B |
| Legal Tract | 06444 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 334001 |
3668 Joan Ave, a townhouse, is owner-occupied and held in a trust since March 2008.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 3668 JOAN AVE, CONCORD, CA 94521-2536 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Transfer Date | Mar 25, 2008 |
| Transfer Doc | 0000067446 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3668 Joan Ave was $4,240 with a homeowner's exemption.
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 | $307,743 (+2%) Land $174,519 Building $133,224 | |
| 2025 | $4,240.00 Homeowner's exemption | $301,710 Land $171,098 Building $130,612 |
| 2023 | $4,024.00 (+1.8%) Homeowner's exemption | $289,996 Land $164,455 Building $125,541 |
| 2022 | $3,953.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3668 Joan Ave in Zone X, an area of minimal flood risk, though there have been 3 flood claims nearby since 1980.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 9 in force |
| Nearby Flood Claims | 3 (1980–2005) |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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.
The area around 3668 Joan Ave has no burnable land within ember reach, so its wildfire risk is not rated.
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 579 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Sonic Telecom.
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