Contra Costa County property record for 839 Blarney Ave, Concord, CA 94518 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1961 |
| Square Footage | 1,329 sqft Living Area |
| Lot Size | 8,000 sqft (0.184 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $700,000 (2018) |
| Tax Bill | $9,725.00 (2025) |
Source: Contra Costa County records · APN 129-293-012-8
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 | Individual Name on File |
|---|---|
| Mailing Address | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Sep 18, 2019 | Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE AFFINITY LLC |
| Nov 24, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| May 25, 2018 | Grant Deed, Transfer · Conventional Mortgage UMPQUA BANK |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 25, 2018 · Amount on Record |
| Deed Sale | May 25, 2018 · Amount on Record |
| Prior Sale | Oct 08, 2008 · Amount on Record |
| Deed Doc Number | 201882785 |
| Last Transfer Date | Nov 09, 2020 |
| Transfer Doc | 0000285992 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Name | Verified Name |
|---|
| Document Number | 0000154954 |
|---|---|
| Date | Sep 18, 2019 |
| Instrument | 2019-154954 |
| Name | GUARANTEED RATE AFFINITY LLC |
|---|---|
| Type | Non-Lending Institution |
| Address | CHICAGO, IL 60613 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2049 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 24, 2020 |
| Property Address | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Document Number | 0000285992 |
| Map Reference | MB 79 PG 8 |
| Instrument Date | Nov 09, 2020 |
| Instrument | 2020-285992 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC TITLE |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Document Number | 0000285993 |
|---|---|
| Date | Nov 24, 2020 |
| Instrument | 2020-285993 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Dec 01, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 25, 2018 |
| Property Address | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Document Number | 0000082785 |
| Map Reference | MB 79 PG 8 |
| Instrument Date | May 17, 2018 |
| Instrument | 2018-082785 |
| Transaction Type | Transfer |
| Record Updated | Nov 03, 2022 |
| Title Company | OLD REPUBLIC 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 | 839 BLARNEY AVE, CONCORD, CA 94518-2735 |
| Document Number | 0000082786 |
|---|---|
| Date | May 25, 2018 |
| Instrument | 2018-082786 |
| Name | UMPQUA BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jun 01, 2048 |
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 | $812,403 (+2%) Land $550,288 Building $262,115 | |
| 2025 | $9,725.00 (+4.47%) Homeowner's exemption | $796,475 (+4.04%) Land $539,499 Building $256,976 |
| 2023 | $9,309.00 (+1.27%) Homeowner's exemption | $765,549 Land $518,550 Building $246,999 |
| 2022 | $9,192.00 |
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.
| Primary APN | 129-293-012-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,329 sqft Living Area |
| Gross Area | 1,785 sqft Gross Area |
| 1st Floor | 1,329 sqft 1st Floor |
| Stories | 1 Stories |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1961 |
| Architectural Style | Ranch Style |
| Exterior Material | Stucco Exterior |
| Roof Material | Wood Shingle Roof |
| Lot Area | 8,000 sqft (0.184 acres) |
| Depth X Width | 100 ft x 80 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 456 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Heating Fuel | Gas Heating Fuel |
| Sewage | Municipal Sewage |
| Water Source | Commercial Water Source |
| Street Address | 839 BLARNEY AVE |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94518-2735 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TRACT 2806 LOT 77 EX MR |
| Legal Subdivision | VISTA DIABLO UNIT #4 |
| Legal Tract | 2806 |
| Legal Lot Number | 77 |
| Jurisdiction | CONTRA COSTA CA |
| Minor Civil Division | CENTRAL CONTRA COSTA |
| Census Blockgroup | 4 |
| Census Block | 4007 |
| Census Tract | 337202 |
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