Contra Costa County property record for 820 Dayton Ct, Concord, CA 94518
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 2.5 ba · 1,494 sqft · built 1973 |
| Lot Size | 0.145 acres (6,300 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $175,000 (Apr 1995) |
| Tax Bill | $4,232 (2025) |
| Deeds & Mortgages | Oct 2026 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 129-442-005-2 |
| Primary APN | 129-442-005-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,494 sqft Living Area |
| Gross Area | 2,010 sqft |
| 1st Floor Area | 717 sqft |
| 2nd Floor Area | 777 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Tile |
| Lot Area | 6,300 sqft (0.145 acres) |
| Garage Type | Attached |
| Garage Area | 516 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 820 DAYTON CT |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2229 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | R6 |
| Legal Description | TRACT 3785 LOT 45 |
| Legal Subdivision | TREAT PARK |
| Legal Tract | 3785 |
| Legal Lot Number | 45 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 337202 |
820 Dayton Ct, a townhouse, is held in a trust since October 2011.
Source: Contra Costa County records, as of October 22, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 10 SPARROW CT, MORAGA, CA 94556-1826 |
| 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 | Apr 28, 1995 · Amount on File |
| Deed Sale | Apr 28, 1995 · Amount on File |
| Deed Document Number | 199568348 |
| Last Transfer Date | Oct 3, 2011 |
| Transfer Doc | 0000246931 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 14, 2026 |
| Property Address | 820 DAYTON CT, CONCORD, CA 94518-2229 |
| Document Number | 0000110508 |
| Instrument Date | Oct 14, 2026 |
| Instrument | 2026110508 |
| Transaction Type | Transfer |
| Record Updated | Oct 21, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Trust |
| Address | 10 SPARROW CT, MORAGA, CA 94556-1826 |
The 2025 property tax bill for 820 Dayton Ct was $4,232.
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 | $299,795 (+2%) Land $171,314 Building $128,481 | |
| 2025 | $4,232.00 | $293,917 Land $167,955 Building $125,962 |
| 2023 | $4,019.00 (+1.77%) | $282,506 Land $161,434 Building $121,072 |
| 2022 | $3,949.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 820 Dayton Ct in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 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 820 Dayton 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 98% of the US · lower than 98.4% 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 645 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: T-Mobile, Verizon.
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