Contra Costa County property record for 3628 Walnut Ave, Concord, CA 94519
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,904 sqft · built 1963 |
| Lot Size | 0.193 acres (8,400 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $710,000 (Jul 2019) |
| Tax Bill | $9,501 (2025) |
| Deeds & Mortgages | Jan 2021 Mortgage Jul 2019 Sale & Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 114-321-010 |
| Primary APN | 114-321-010 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,904 sqft Living Area |
| 1st Floor Area | 1,904 sqft |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1970 |
| Lot Area | 8,400 sqft (0.193 acres) |
| Garage Type | Attached |
| Garage Area | 420 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 3628 WALNUT AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-1931 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R8 |
| Legal Description | LA BONITA TRACT 3 |
| Legal Subdivision | LA BONITA |
| Legal Tract | 3 |
| Legal Lot Number | 3 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4000 |
| Census Tract | 331000 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Jan 19, 2021 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC |
| Jul 25, 2019 | Grant Deed, Transfer · Conventional Mortgage ALLIANT CU |
| Dec 14, 2017 | Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LNS |
| Oct 13, 2017 | Affidavit of Death, Transfer |
| Oct 13, 2017 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 25, 2019 · Amount on Record |
| Deed Sale | Jul 25, 2019 · Amount on Record |
| Deed Document Number | 2019116178 |
| Last Transfer Date | Aug 22, 2025 |
| Transfer Doc | 0000086586 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Document Number | 0000015768 |
|---|---|
| Date | Jan 19, 2021 |
| Instrument | 2021-015768 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 25, 2019 |
| Property Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Document Number | 0000116178 |
| Instrument Date | Jul 18, 2019 |
| Instrument | 116178 |
| Transaction Type | Transfer |
| Record Updated | Jul 31, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $781.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3628 WALNUT AVE CONCORD CA 945191931, CONCORD, CA 94519-1931 |
| Document Number | 116179 |
|---|---|
| Date | Jul 25, 2019 |
| Instrument | 116179 |
| Name | ALLIANT CU |
|---|---|
| Type | Credit Union |
| Address | CHICAGO, IL 60666 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 24, 2049 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Document Number | 0000240631 |
| Instrument Date | Dec 14, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Jan 3, 2018 |
| Title Company | TSI TITLE COMPANY/CA INC |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 3628 WALNUT AVE CONCORD CA 945191931, CONCORD, CA 94519-1931 |
| Document Number | 0000240631 |
|---|---|
| Date | Dec 22, 2017 |
| Instrument | 240631 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Dec 21, 2047 |
| Document Type | Affidavit of Death |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 13, 2017 |
| Property Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Document Number | 0000188573 |
| Instrument Date | Oct 13, 2017 |
| Instrument | 188573 |
| Transaction Type | Transfer |
| Record Updated | Oct 17, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3628 WALNUT AVE CONCORD CA 945191931, CONCORD, CA 94519-1931 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Oct 13, 2017 |
| Property Address | 3628 WALNUT AVE, CONCORD, CA 94519-1931 |
| Document Number | 0000188574 |
| Instrument Date | Oct 13, 2017 |
| Instrument | 188574 |
| Transaction Type | Transfer |
| Record Updated | Oct 17, 2017 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 3628 WALNUT AVE CONCORD CA 945191931, CONCORD, CA 94519-1931 |
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 | $792,012 (+2%) Land $342,461 Building $449,551 | |
| 2025 | $9,501.00 (+4.49%) Homeowner's exemption | $776,484 (+4.04%) Land $335,747 Building $440,737 |
| 2023 | $9,093.00 (+1.29%) Homeowner's exemption | $746,334 Land $322,710 Building $423,624 |
| 2022 | $8,977.00 |
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 | 2 in force |
| Nearby Flood Claims | 1 (1999) |
| Most Recent Claim | Apr 1999 · 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 | Not rated no burnable land within ember reach |
|---|
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 505 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Radiate Holdings Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
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