Contra Costa County property record for 1741 Argonne Dr, Concord, CA 94518
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,655 sqft · built 1969 |
| Lot Size | 0.209 acres (9,090 sqft) |
| Owner | Company Name on Record |
| Last Sale | $953,000 (Jun 2020) |
| Tax Bill | $13,366 (2025) |
| Deeds & Mortgages | Jun 2020 Sale & Mortgage Nov 2019 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 145-090-022-8 |
| Primary APN | 145-090-022-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,655 sqft Living Area |
| 1st Floor Area | 2,655 sqft |
| Year Built | Built 1969 |
|---|---|
| Effective Year Built | Effective 1985 |
| Lot Area | 9,090 sqft (0.209 acres) |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 1741 ARGONNE DR |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-3504 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | TRACT 3860 LOT 16 |
| Legal Subdivision | SUBDIVISION 3860 |
| Legal Tract | 3860 |
| Legal Lot Number | 16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 338201 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 1741 ARGONNE DR, CONCORD, CA 94518-3504 |
| Owner Type | Company |
| Vesting | Trust |
| Date | Document |
|---|---|
| Jun 8, 2020 | Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE |
| Nov 13, 2019 | Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC |
| Dec 7, 2017 | Grant Deed, Transfer · Conventional Mortgage PRIVATE MORTGAGE ADVISORS LLC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 8, 2020 · Amount on Record |
| Deed Sale | Jun 8, 2020 · Amount on Record |
| Prior Sale | Dec 7, 2017 · Amount on Record |
| Deed Document Number | 2020108998 |
| Last Transfer Date | Jul 13, 2023 |
| Transfer Doc | 0000070741 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jun 8, 2020 |
| Property Address | 1741 ARGONNE DR, CONCORD, CA 94518-3504 |
| Document Number | 0000108998 |
| Instrument Date | Jun 2, 2020 |
| Instrument | 108998 |
| Transaction Type | Transfer |
| Record Updated | Jun 16, 2020 |
| Title Company | FIDELITY NATIONAL TITLE, FIDELITY TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,048.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1741 ARGONNE DR CONCORD CA 945183504, CONCORD, CA 94518-3504 |
| Document Number | 108999 |
|---|---|
| Date | Jun 8, 2020 |
| Instrument | 108999 |
| Name | GUARANTEED RATE |
|---|---|
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jun 7, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 1741 ARGONNE DR, CONCORD, CA 94518-3504 |
| Document Number | 0000221795 |
| Instrument Date | Nov 13, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Dec 23, 2019 |
| Title Company | AMERICAN COAST TITLE COMPANY, AMERICAN COAST TITLE CO. |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 1741 ARGONNE DR CONCORD CA 945183504, CONCORD, CA 94518-3504 |
| Document Number | 0000221795 |
|---|---|
| Date | Dec 11, 2019 |
| Instrument | 221795 |
| Name | LOANDEPOT.COM LLC |
|---|---|
| Type | Funding / Finance Company |
| Address | FOOTHILL RANCH, CA 92610 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 10, 2049 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 7, 2017 |
| Property Address | 1741 ARGONNE DR, CONCORD, CA 94518-3504 |
| Document Number | 0000229858 |
| Map Reference | MB126 PG6 |
| Instrument Date | Nov 30, 2017 |
| Instrument | 2017-229858 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC 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 | Community Property |
| Address | 1741 ARGONNE DR, CONCORD, CA 94518-3504 |
| Document Number | 0000229859 |
|---|---|
| Date | Dec 7, 2017 |
| Instrument | 2017-229859 |
| Name | PRIVATE MORTGAGE ADVISORS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2048 |
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 | $1,063,084 (+2%) Land $613,533 Building $449,551 | |
| 2025 | $13,366.00 (+4.77%) | $1,042,240 (+4.04%) Land $601,503 Building $440,737 |
| 2023 | $12,757.00 (+1.45%) | $1,001,771 Land $578,147 Building $423,624 |
| 2022 | $12,575.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 | 9 in force |
| Nearby Flood Claims | 1 (1982) |
| Most Recent Claim | Jan 1982 · Severe Storms, Flood, Mudslides & High Tide |
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 | Not rated no burnable land within 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 406 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 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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