Contra Costa County property record for 4509 Birch Bark Rd, Concord, CA 94521
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,307 sqft · built 1974 |
| Lot Size | 0.131 acres (5,700 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $831,000 (Aug 2020) |
| Tax Bill | $10,859 (2025) |
| Deeds & Mortgages | Aug 2020 Sale & Mortgage May 2018 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 133-391-002-2 |
| Primary APN | 133-391-002-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,307 sqft Living Area |
| Gross Area | 2,758 sqft |
| 1st Floor Area | 1,273 sqft |
| 2nd Floor Area | 1,034 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 5,700 sqft (0.131 acres) |
| Lot Dimensions | 104 ft deep x 57 ft wide |
| Garage Type | Attached |
| Garage Area | 451 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 4509 BIRCH BARK RD |
|---|---|
| City | CONCORD |
| State | CA |
| Zip | 94521-4246 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | PD |
| Legal Description | T04552 L0066 B EX MR |
| Legal Subdivision | TURTLE CRK |
| Legal Tract | 04552 |
| Legal Lot Number | 66 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3011 |
| Census Tract | 334007 |
4509 Birch Bark Rd is owned and occupied by two individuals who bought it in August 2020.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| 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 |
|---|---|
| Aug 11, 2020 | Grant Deed, Transfer · Conventional Mortgage LENDING ARENA LLC |
| May 24, 2018 | Grant Deed, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Feb 13, 2017 | Deed of Trust, Mortgage · Conventional Mortgage NAVY FCU |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 11, 2020 · Amount on File |
| Deed Sale | Aug 11, 2020 · Amount on File |
| Prior Sale | May 24, 2018 · Amount on File |
| Deed Document Number | 2020167468 |
| Prior Transfer Date | Jun 6, 1996 |
| Prior Transfer Doc | 0000112008 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Aug 11, 2020 |
| Property Address | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| Document Number | 0000167468 |
| Map Reference | MB 173 PG 1-7 |
| Instrument Date | Aug 5, 2020 |
| Instrument | 2020-167468 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | PLACER 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 | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| Document Number | 0000167469 |
|---|---|
| Date | Aug 11, 2020 |
| Instrument | 2020-167469 |
| Name | LENDING ARENA LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Sep 1, 2050 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 24, 2018 |
| Property Address | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| Document Number | 0000082050 |
| Map Reference | MB 173 PG 1-7 |
| Instrument Date | May 16, 2018 |
| Instrument | 2018-082050 |
| Transaction Type | Transfer |
| Record Updated | Jul 27, 2021 |
| Title Company | CHICAGO 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 | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| Document Number | 0000082051 |
|---|---|
| Date | May 24, 2018 |
| Instrument | 2018-082051 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2048 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 4509 BIRCH BARK RD, CONCORD, CA 94521-4246 |
| Document Number | 0000030331 |
| Instrument Date | Feb 13, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Feb 23, 2017 |
| Title Company | CHICAGO TITLE COMPANY, CHICAGO TITLE CO |
| Name | Verified Name |
|---|---|
| Relationship | Community Property |
| Address | 4509 BIRCH BARK RD CONCORD CA 945214246, CONCORD, CA 94521-4246 |
| Document Number | 0000030331 |
|---|---|
| Date | Feb 17, 2017 |
| Instrument | 30331 |
| Name | NAVY FCU |
|---|---|
| Type | Credit Union |
| Address | VIENNA, VA 22180 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Feb 16, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.37% |
The 2025 property tax bill for 4509 Birch Bark Rd was $10,859 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 | $917,488 (+2%) Land $475,857 Building $441,631 | |
| 2025 | $10,859.00 Homeowner's exemption | $899,499 Land $466,527 Building $432,972 |
| 2023 | $10,401.00 (+1.23%) Homeowner's exemption | $864,572 Land $448,412 Building $416,160 |
| 2022 | $10,275.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 4509 Birch Bark Rd in Zone X, an area of minimal flood risk.
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 |
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 4509 Birch Bark Rd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 669 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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