Contra Costa County property record for 5091 Black Oak Rd, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,625 sqft · built 1960 |
| Lot Size | 0.161 acres (7,000 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $785,000 (Mar 2021) |
| Tax Bill | $10,312 (2025) |
| Deeds & Mortgages | Mar 2021 Sale & Mortgage May 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-142-005-7 |
| Primary APN | 133-142-005-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,625 sqft Living Area |
| 1st Floor Area | 1,625 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Composition Shingle |
| Lot Area | 7,000 sqft (0.161 acres) |
| Lot Dimensions | 100 ft deep x 70 ft wide |
| Garage Type | Attached |
| Garage Area | 360 sqft |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 5091 BLACK OAK RD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4516 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R7 |
| Legal Description | TRACT 2733 LOT 55 EX MR |
| Legal Subdivision | 2733 HILLBROOK MA#R |
| Legal Tract | 2733 |
| Legal Lot Number | 55 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 334008 |
5091 Black Oak Rd is owned and occupied by two individuals who bought it in March 2021.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 5091 BLACK OAK RD, CONCORD, CA 94521-4516 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Mar 26, 2021 | Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA |
| May 13, 2019 | Grant Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 26, 2021 · Amount on File |
| Deed Sale | Mar 26, 2021 · Amount on File |
| Prior Sale | May 13, 2019 · Amount on File |
| Deed Document Number | 202191367 |
| Prior Transfer Date | Mar 13, 1997 |
| Prior Transfer Doc | 0000041538 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Mar 26, 2021 |
| Property Address | 5091 BLACK OAK RD, CONCORD, CA 94521-4516 |
| Document Number | 0000091367 |
| Map Reference | MB 77 PG 10 |
| Instrument Date | Mar 16, 2021 |
| Instrument | 2021-091367 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY |
| Amount | Amount on Record |
|---|---|
| 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 | 5091 BLACK OAK RD, CONCORD, CA 94521-4516 |
| Document Number | 0000091368 |
|---|---|
| Date | Mar 26, 2021 |
| Instrument | 2021-091368 |
| Name | WELLS FARGO BANK NA |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Apr 1, 2051 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 13, 2019 |
| Property Address | 5091 BLACK OAK RD, CONCORD, CA 94521-4516 |
| Document Number | 0000068690 |
| Instrument Date | May 8, 2019 |
| Instrument | 68690 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2019 |
| Title Company | OLD REPUBLIC TITLE |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $716.10 |
| Amount Accuracy | Full Value |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 5091 BLACK OAK RD CONCORD CA 945214516, CONCORD, CA 94521-4516 |
| Document Number | 68691 |
|---|---|
| Date | May 13, 2019 |
| Instrument | 68691 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | May 12, 2049 |
The 2025 property tax bill for 5091 Black Oak Rd was $10,312 with a homeowner's exemption.
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 | $866,700 (+2%) Land $596,203 Building $270,497 | |
| 2025 | $10,312.00 Homeowner's exemption | $849,707 Land $584,513 Building $265,194 |
| 2023 | $9,875.00 (+1.25%) Homeowner's exemption | $816,714 Land $561,816 Building $254,898 |
| 2022 | $9,753.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5091 Black Oak Rd in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 18 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 18 in force |
| Nearby Flood Claims | 1 (2024) |
| Most Recent Claim | Nov 2024 · other causes |
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.
Wildfire risk around 5091 Black Oak Rd is moderate, ranking above 58% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 58% of the US · lower than 65% of California |
|---|---|
| Wildfire Likelihood | 0.2% annual chance |
| Exposure | Direct burnable vegetation |
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 550 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures