Contra Costa County property record for 4492 Adelia Ct, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,842 sqft · built 1976 |
| Lot Size | 0.13 acres (5,640 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $230,500 (Sep 1994) |
| Tax Bill | $5,207 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage Jul 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-331-066 |
| Primary APN | 133-331-066 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,842 sqft Living Area |
| Gross Area | 2,296 sqft |
| 1st Floor Area | 950 sqft |
| 2nd Floor Area | 892 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1992 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 5,640 sqft (0.13 acres) |
| Garage Type | Attached |
| Garage Area | 454 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4492 ADELIA CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4506 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | TRACT 3936 LOT 173 EX MR |
| Legal Subdivision | SUBDIVISION 3936 |
| Legal Tract | 3936 |
| Legal Lot Number | 173 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3005 |
| Census Tract | 334006 |
4492 Adelia Ct is owned and occupied by two individuals who acquired it in October 2010.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4492 ADELIA CT, CONCORD, CA 94521-4506 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Feb 23, 2022 | Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC |
| Jul 20, 2017 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 28, 1994 · Amount on File |
| Deed Sale | Sep 28, 1994 · Amount on File |
| Deed Document Number | 1994242843 |
| Last Transfer Date | Oct 15, 2010 |
| Transfer Doc | 0000237584 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4492 ADELIA CT, CONCORD, CA 94521-4506 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 4492 ADELIA CT, CONCORD, CA 94521-4506 |
| Document Number | 0000033454 |
|---|---|
| Date | Feb 23, 2022 |
| Instrument | 2022-033454 |
| Name | ROCKET MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4492 ADELIA CT, CONCORD, CA 94521-4506 |
| Document Number | 0000137562 |
| Instrument Date | Jul 20, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 7, 2017 |
| Title Company | TSI TITLE COMPANY/CA INC, TSI TITLE CO/CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 4492 ADELIA CT CONCORD CA 945214506, CONCORD, CA 94521-4506 |
| Document Number | 0000137562 |
|---|---|
| Date | Aug 1, 2017 |
| Instrument | 137562 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jul 31, 2047 |
The 2025 property tax bill for 4492 Adelia Ct was $5,207 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 | $394,886 (+2%) Land $137,048 Building $257,838 | |
| 2025 | $5,207.00 Homeowner's exemption | $387,144 Land $134,361 Building $252,783 |
| 2023 | $4,957.00 (+1.64%) Homeowner's exemption | $372,113 Land $129,145 Building $242,968 |
| 2022 | $4,877.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4492 Adelia Ct in Zone X, an area of minimal flood risk.
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 | 3 in force |
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.
Wildfire risk around 4492 Adelia Ct is moderate, ranking above 59% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 59% of the US · lower than 64% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 552 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 DSL · Fiber in parts of the area | 100 / 20 |
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