Contra Costa County property record for 3518 Halfmoon Ln, Concord, CA 94518 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1975 |
| Square Footage | 2,123 sqft Living Area |
| Lot Size | 6,279 sqft (0.144 acres) |
| Garage | Attached, 505 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $6,700.00 (2025) |
| Primary APN | 134-442-005-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 10 Rooms |
| Building Area | 2,123 sqft Living Area |
| 1st Floor | 1,727 sqft 1st Floor |
| Basement Area | 396 sqft Basement |
| Stories | 1 Stories |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 6,279 sqft (0.144 acres) |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 505 sqft Garage |
| Street Address | 3518 HALFMOON LN |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2254 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 3967 LOT 34 |
| Legal Subdivision | YGNACIO HILLS UNIT #1 |
| Legal Tract | 3967 |
| Legal Lot Number | 34 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 4 |
| Census Block | 4005 |
| Census Tract | 337300 |
Source: Contra Costa County records · APN 134-442-005-2
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 31527, WALNUT CREEK, CA 94598-8527 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Refreshed | 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 | $532,999 (+2%) Land $242,666 Building $290,333 | |
| 2025 | $6,700.00 (+4.79%) Homeowner's exemption | $522,549 (+4.04%) Land $237,908 Building $284,641 |
| 2023 | $6,394.00 (+1.46%) Homeowner's exemption | $502,260 Land $228,671 Building $273,589 |
| 2022 | $6,302.00 |
3518 Halfmoon Ln is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (Low risk).
Source: FEMA National Flood Hazard Layer · Contra Costa County (06013C), updated October 12, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Low 38th percentile of exposed land nationally · 23rd in California |
|---|---|
| Wildfire Likelihood | Moderate — about 1 in 1,250 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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