Contra Costa County property record for 2604 Crystal Ave, Concord, CA 94520
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 842 sqft · built 1942 |
| Lot Size | 0.117 acres (5,115 sqft) |
| Owner | Individual Name on File |
| Last Sale | $190,000 (Jan 2001) |
| Tax Bill | $4,094 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 112-193-024 |
| Primary APN | 112-193-024 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 842 sqft Living Area |
| 1st Floor Area | 842 sqft |
| Year Built | Built 1942 |
|---|---|
| Effective Year Built | Effective 1942 |
| Lot Area | 5,115 sqft (0.117 acres) |
| Garage Type | Attached |
| Garage Area | 240 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 2604 CRYSTAL AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1927 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | GREEN DELL ACRES POR 50 |
| Legal Subdivision | GREEN DELL ACRES |
| Legal Lot Number | 50 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4007 |
| Census Tract | 329000 |
Source: Contra Costa County records · APN 112-193-024
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 | Individual Name on File |
|---|---|
| Mailing Address | 2604 CRYSTAL AVE, CONCORD, CA 94520-1927 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Single Person |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 12, 2001 · Amount on Record |
| Deed Sale | Jan 12, 2001 · Amount on Record |
| Deed Document Number | 20018794 |
| Prior Transfer Date | Jan 08, 2001 |
| Prior Transfer Doc | 0000008793 |
| 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 |
| Municipality | Concord City |
| Unified School District | Mount Diablo 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 | $292,001 (+2%) Land $178,586 Building $113,415 | |
| 2025 | $4,094.00 (+5.41%) Homeowner's exemption | $286,277 (+4.04%) Land $175,085 Building $111,192 |
| 2023 | $3,884.00 (+1.84%) Homeowner's exemption | $275,162 Land $168,287 Building $106,875 |
| 2022 | $3,814.00 |
Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1980–1983) |
| Most Recent Claim | Jan 1983 · Coastal Storms, Floods, Slides & Tornadoes |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 250 |
| Radiate Holdings Cable · Fiber in parts of the area | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
Based on FCC filings for 611 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CONTRA COSTA WATER DISTRICT serves 210,500 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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