Contra Costa County property record for 3511 Halfmoon Ln, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,123 sqft · built 1974 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,150,000 (Mar 2024) |
| Tax Bill | $13,954 (2025) |
| Deeds & Mortgages | Mar 2024 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 134-443-006-9 |
| Primary APN | 134-443-006-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,123 sqft Living Area |
| 1st Floor Area | 1,727 sqft |
| Basement Area | 396 sqft |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1975 |
| Lot Area | 7,000 sqft (0.161 acres) |
| Garage Type | Attached |
| Garage Area | 505 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3511 HALFMOON LN |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2255 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R6 |
| Legal Description | TRACT 3967 LOT 41 |
| Legal Subdivision | YGNACIO HILLS UNIT #1 |
| Legal Tract | 3967 |
| Legal Lot Number | 41 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 337300 |
Source: Contra Costa County records, as of July 14, 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 Record |
|---|---|
| Mailing Address | 3511 HALFMOON LN, CONCORD, CA 94518-2255 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 6, 2024 · Amount on Record |
| Deed Sale | Mar 6, 2024 · Amount on Record |
| Deed Document Number | 202421026 |
| Prior Transfer Date | Feb 29, 2024 |
| Prior Transfer Doc | 0000021024 |
| Record Updated | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 6, 2024 |
| Property Address | 3511 HALFMOON LN, CONCORD, CA 94518-2255 |
| Document Number | 0000021026 |
| Map Reference | MB 144 PG 31-37 |
| Instrument Date | Feb 22, 2024 |
| Instrument | 2024-021026 |
| Transaction Type | Transfer |
| Record Updated | Mar 14, 2024 |
| Title Company | CHICAGO TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3511 HALFMOON LN, CONCORD, CA 94518-2255 |
| Document Number | 0000021027 |
|---|---|
| Date | Mar 6, 2024 |
| Instrument | 2024-021027 |
| Name | CROSSCOUNTRY MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 1, 2054 |
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 | $1,196,460 (+2%) Land $624,240 Building $572,220 | |
| 2025 | $13,954.00 (+499.91%) | $1,173,000 (+735.54%) Land $612,000 Building $561,000 |
| 2023 | $2,326.00 (+2.51%) Homeowner's exemption | $140,388 Land $40,124 Building $100,264 |
| 2022 | $2,269.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 |
| Nearby Flood Claims | 1 (1998) |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 565 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: Verizon.
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