Contra Costa County property record for 501 Hamburg Cir, Clayton, CA 94517
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,030 sqft · built 1979 |
| Lot Size | 0.343 acres (14,950 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $750,000 (Dec 2016) |
| Tax Bill | $10,956 (2025) |
| Deeds & Mortgages | Mar 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 119-542-011 |
| Primary APN | 119-542-011 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,030 sqft Living Area |
| 1st Floor Area | 2,030 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Roof Material | Wood Shingle |
| Lot Area | 14,950 sqft (0.343 acres) |
| Garage Type | Attached |
| Garage Area | 729 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 501 HAMBURG CIR |
|---|---|
| City | CLAYTON |
| State | CA |
| Zip | 94517-1414 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R12 |
| Legal Description | T05048 L0086 B |
| Legal Subdivision | SUBDIVISION 5048 |
| Legal Tract | 05048 |
| Legal Lot Number | 86 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 355308 |
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 | 501 HAMBURG CIR, CLAYTON, CA 94517-1414 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 12, 2016 · Amount on Record |
| Deed Sale | Dec 12, 2016 · Amount on Record |
| Prior Sale | Mar 27, 2003 · Amount on Record |
| Deed Document Number | 2016269186 |
| Prior Transfer Date | Oct 8, 2015 |
| Prior Transfer Doc | 0000230144 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 501 HAMBURG CIR, CLAYTON, CA 94517-1414 |
| Transaction Type | Mortgage |
| Record Updated | Aug 1, 2023 |
| Title Company | AMROCK TITLE CA INC, AMROCK TITLE CALIFORNIA |
| Name | Verified Name |
|---|---|
| Address | 501 HAMBURG CIR, CLAYTON, CA 94517-1414 |
| Investor | Possibly a Property Investor |
| Document Number | 0000076983 |
|---|---|
| Date | Mar 15, 2021 |
| Instrument | 2021-076983 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Feb 1, 2051 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Clayton City |
| Unified School District | Mount Diablo Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $887,721 (+2%) Land $497,191 Building $390,530 | |
| 2025 | $10,956.00 (+4.37%) | $870,316 (+4.04%) Land $487,443 Building $382,873 |
| 2023 | $10,497.00 (+1.27%) | $836,522 Land $468,516 Building $368,006 |
| 2022 | $10,365.00 |
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 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 | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 253 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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