Contra Costa County property record for 4508 Blackburn Ct, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,125 sqft · built 1981 |
| Lot Size | 0.149 acres (6,510 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $325,000 (Feb 1999) |
| Tax Bill | $6,607 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 134-471-009-8 |
| Primary APN | 134-471-009-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,125 sqft Living Area |
| 1st Floor Area | 1,222 sqft |
| 2nd Floor Area | 903 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1984 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 6,510 sqft (0.149 acres) |
| Garage Type | Attached |
| Garage Area | 480 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 | 4508 BLACKBURN CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-1932 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RPD |
| Legal Description | T04554 L0009 B EX MR |
| Legal Subdivision | SUBDIVISION 4554 |
| Legal Tract | 04554 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 337300 |
4508 Blackburn Ct is owner-occupied and held in a trust since March 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4508 BLACKBURN CT, CONCORD, CA 94518-1932 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Feb 18, 1999 · Amount on File |
| Deed Sale | Feb 18, 1999 · Amount on File |
| Deed Document Number | 199945145 |
| Last Transfer Date | Mar 24, 2016 |
| Transfer Doc | 0000054826 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4508 BLACKBURN CT, CONCORD, CA 94518-1932 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 4508 BLACKBURN CT, CONCORD, CA 94518-1932 |
| Document Number | 0000027261 |
|---|---|
| Date | Jan 28, 2021 |
| Instrument | 2021-027261 |
| Name | 1ST UNITED SERVICES CU |
|---|---|
| Type | Credit Union |
| Address | PLEASANTON, CA 94588 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Feb 1, 2036 |
The 2025 property tax bill for 4508 Blackburn Ct was $6,607 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 | $524,550 (+2%) Land $167,889 Building $356,661 | |
| 2025 | $6,607.00 Homeowner's exemption | $514,266 Land $164,598 Building $349,668 |
| 2023 | $6,305.00 (+1.46%) Homeowner's exemption | $494,298 Land $158,207 Building $336,091 |
| 2022 | $6,214.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4508 Blackburn 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 4508 Blackburn Ct is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 376 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 |
May also be available: AT&T.
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