Contra Costa County property record for 431 Hampton Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,801 sqft · built 1976 |
| Lot Size | 0.289 acres (12,600 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $800,000 (Jan 2011) |
| Tax Bill | $10,252 (2025) |
| Deeds & Mortgages | Oct 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 212-332-029-9 |
| Primary APN | 212-332-029-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 3,801 sqft Living Area |
| Gross Area | 4,381 sqft |
| 1st Floor Area | 2,206 sqft |
| 2nd Floor Area | 1,595 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 12,600 sqft (0.289 acres) |
| Garage Type | Attached |
| Garage Area | 580 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 431 HAMPTON CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2526 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04487 L0059 B EX MR |
| Legal Subdivision | SUBDIVISION 4487 |
| Legal Tract | 04487 |
| Legal Lot Number | 59 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 345111 |
Source: Contra Costa County assessment roll, 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 File |
|---|---|
| Mailing Address | 431 HAMPTON CT, SAN RAMON, CA 94583-2526 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jan 10, 2011 · Amount on Record |
| Deed Sale | Jan 10, 2011 · Amount on Record |
| Deed Document Number | 20115763 |
| Prior Transfer Date | Sep 21, 2010 |
| Prior Transfer Doc | 0000005763 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 431 HAMPTON CT, SAN RAMON, CA 94583-2526 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE |
| Name | Verified Name |
|---|---|
| Address | 431 HAMPTON CT, SAN RAMON, CA 94583-2526 |
| Document Number | 0000229377 |
|---|---|
| Date | Oct 7, 2020 |
| Instrument | 2020-229377 |
| Name | KEYPOINT CU |
|---|---|
| Type | Credit Union |
| Address | SANTA CLARA, CA 95051 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 1, 2050 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $840,455 (+2%) Land $285,174 Building $555,281 | |
| 2025 | $10,252.00 (+3.69%) Homeowner's exemption | $823,977 (+4.04%) Land $279,583 Building $544,394 |
| 2023 | $9,887.00 (-2.39%) Homeowner's exemption | $791,982 Land $268,727 Building $523,255 |
| 2022 | $10,129.00 |
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
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 |
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2021 |
| Lead | Under 1 ppb (2022–2024) 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 633 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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