Contra Costa County property record for 4045 Nelson Ave, Concord, CA 94520 · Last verified July 2026
| Property Type | Industrial > Industrial Park |
|---|---|
| Year Built | Built 1996 |
| Square Footage | 26,112 sqft Gross Area |
| Lot Size | 3.21 acres |
| Last Sale | $3,749,000 (2020) |
| Tax Bill | $50,803.00 (2025) |
| Primary APN | 159-430-034-3 |
|---|---|
| Alternative APN |
|
| Total Rooms | 2 Rooms |
|---|---|
| Building Area | 26,112 sqft Gross Area |
| 1st Floor | 26,112 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1996 |
| Lot Area | 140,001 sqft |
| Street Address | 4045 NELSON AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94520-1215 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Industrial Park |
| Legal Description | TR 6559 POR LTS 8,9 & 10 |
| Legal Subdivision | SUBDIVISION MAP 6559 |
| Legal Tract | 6559 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 1 |
| Census Block | 1031 |
| Census Tract | 315000 |
Source: Contra Costa County records · APN 159-430-034-3
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 | Company Name on File |
|---|---|
| Mailing Address | 3470 MT DIABLO BLVD, A205, LAFAYETTE, CA 94549-3985 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Dec 10, 2020 | Grant Deed, Transfer · Stand Alone First Mortgage FARMERS & MERCHANTS BANK OF CENTRAL |
| May 02, 2019 | Grant Deed, Transfer CHICAGO TITLE COMPANY, CHICAGO TITLE INS CO |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Dec 10, 2020 · Amount on Record |
| Deed Sale | Dec 10, 2020 · Amount on Record |
| Prior Sale | May 02, 2019 · Amount on Record |
| Deed Doc Number | 2020310163 |
| Prior Transfer Date | Sep 15, 2006 |
| Prior Transfer Doc | 0000307559 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 10, 2020 |
| Property Address | 4045 NELSON AVE, CONCORD, CA 94520-1215 |
| Document Number | 0000310163 |
| Map Reference | MB 305 PG 8 |
| Instrument Date | Dec 07, 2020 |
| Instrument | 2020-310163 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | NORTH AMERICAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3470 MT DIABLO BLVD, LAFAYETTE, CA 94549-7195 |
| Document Number | 0000310164 |
|---|---|
| Date | Dec 10, 2020 |
| Instrument | 2020-310164 |
| Name | FARMERS & MERCHANTS BANK OF CENTRAL |
|---|---|
| Type | Bank |
| Type | Stand Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 02, 2019 |
| Property Address | 4045 NELSON AVE, CONCORD, CA 94520-1215 |
| Document Number | 0000062862 |
| Instrument Date | Feb 01, 2019 |
| Instrument | 62862 |
| Transaction Type | Transfer |
| Record Updated | May 13, 2019 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE INS CO |
| Amount | Amount Recorded |
|---|---|
| Tax | $5,269.00 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 2170 PIEDMONT RD NE ATLANTA GA 303244135, ATLANTA, GA 30324-4135 |
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 | $4,261,749 (+2%) Land $2,318,568 Building $1,943,181 | |
| 2025 | $50,803.00 (+4.77%) | $4,178,186 (+4.04%) Land $2,273,106 Building $1,905,080 |
| 2023 | $48,490.00 (-0.15%) | $4,015,944 Land $2,184,840 Building $1,831,104 |
| 2022 | $48,561.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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