Contra Costa County property record for 3420 Concord Blvd, Concord, CA 94519
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,139 sqft · built 1950 |
| Lot Size | 0.31 acres (13,503 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $700,000 (Nov 2021) |
| Tax Bill | $8,185 (2025) |
| Deeds & Mortgages | Dec 2025 Line of Credit Feb 2020 Mortgage + 3 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 113-123-011 |
| Primary APN | 113-123-011 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,139 sqft Living Area |
| 1st Floor Area | 1,139 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Lot Area | 13,503 sqft (0.31 acres) |
| Garage Type | Attached |
| Garage Area | 358 sqft |
| Parking Spaces | 1 Parking Space |
| Street Address | 3420 CONCORD BLVD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94519-2305 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R10 |
| Legal Description | WALNUT LANDS POR LOT 123 .310 AC |
| Legal Subdivision | WALNUT LANDS |
| Legal Lot Number | 123 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 5 |
| Census Block | 5001 |
| Census Tract | 331000 |
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 | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Date | Document |
|---|---|
| Dec 15, 2025 | Deed of Trust, Mortgage · Line of Credit UPSTART MORTGAGE LLC |
| Feb 25, 2020 | Deed of Trust, Mortgage · Conventional Mortgage PATELCO CU |
| Nov 17, 2021 | Grant Deed, Transfer · Conventional Mortgage BROKER SOLUTIONS INC |
| Feb 15, 2019 | Quit Claim Deed, Transfer Quitclaim |
| Feb 15, 2019 | Quit Claim Deed, Transfer Quitclaim |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 17, 2021 · Amount on Record |
| Deed Sale | Nov 17, 2021 · Amount on Record |
| Prior Sale | Apr 22, 2010 · Amount on Record |
| Deed Document Number | 2021318572 |
| Prior Transfer Date | Jan 28, 2019 |
| Prior Transfer Doc | 0000021387 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Transaction Type | Mortgage |
| Record Updated | Dec 25, 2025 |
| Name | Verified Name |
|---|---|
| Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Document Number | 0000139542 |
|---|---|
| Date | Dec 15, 2025 |
| Instrument | 2025- 139542 |
| Name | UPSTART MORTGAGE LLC |
|---|---|
| Type | Mortgage Company |
| Address | 2950 S DELAWARE ST STE 400, SAN MATEO, CA 94403 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Dec 10, 2040 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | PLACER TITLE CO ROSEVILLE CA |
| Name | Verified Name |
|---|
| Document Number | 0000035214 |
|---|---|
| Date | Feb 25, 2020 |
| Instrument | 2020-035214 |
| Name | PATELCO CU |
|---|---|
| Type | Credit Union |
| Address | DUBLIN, CA 94568 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Mar 1, 2035 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 17, 2021 |
| Property Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Document Number | 0000318572 |
| Map Reference | MB 4 PG 92 |
| Instrument Date | Nov 15, 2021 |
| Instrument | 2021-318572 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN 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 with Right of Survivorship |
| Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Document Number | 0000318573 |
|---|---|
| Date | Nov 17, 2021 |
| Instrument | 2021-318573 |
| Name | BROKER SOLUTIONS INC |
|---|---|
| Type | Funding / Finance Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 1, 2051 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 15, 2019 |
| Property Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Document Number | 0000021387 |
| Instrument Date | Jan 28, 2019 |
| Instrument | 21387 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 40 RIVERSIDE CT BAY POINT CA 945652915, BAY POINT, CA 94565-2915 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Feb 15, 2019 |
| Property Address | 3420 CONCORD BLVD, CONCORD, CA 94519-2305 |
| Document Number | 0000021386 |
| Instrument Date | Jan 28, 2019 |
| Instrument | 21386 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2019 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 40 RIVERSIDE CT BAY POINT CA 945652915, BAY POINT, CA 94565-2915 |
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 | $640,000 (-1.54%) Land $402,286 Building $237,714 | |
| 2025 | $8,185.00 (+7.25%) | $650,000 (+7.08%) Land $408,572 Building $241,428 |
| 2023 | $7,632.00 (-12.32%) | $607,000 Land $382,000 Building $225,000 |
| 2022 | $8,704.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AO, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 3 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.
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 632 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 |
| Astound Broadband Cable | 1,500 / 50 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
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