Contra Costa County property record for 5122 Chiltern Ln, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 2,877 sqft · built 2007 |
| Lot Size | 0.141 acres (6,157 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $17,291 (2025) |
| Deeds & Mortgages | Jul 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 223-650-025-8 |
| Primary APN | 223-650-025-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,877 sqft Living Area |
| 1st Floor Area | 1,504 sqft |
| 2nd Floor Area | 1,373 sqft |
| Year Built | Built 2007 |
|---|---|
| Effective Year Built | Effective 2008 |
| Lot Area | 6,157 sqft (0.141 acres) |
| Garage Type | Attached |
| Garage Area | 588 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 5122 CHILTERN LN |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-3097 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9021 L107 |
| Legal Subdivision | WINDEMERE SUB 9021 |
| Legal Tract | 9021 |
| Legal Lot Number | 107 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 355126 |
5122 Chiltern Ln is owner-occupied and held in a trust since May 2012.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 5122 CHILTERN LN, SAN RAMON, CA 94582-3097 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 17, 2012 |
| Deed Sale | May 17, 2012 |
| Prior Sale | Dec 30, 2008 · Amount on File |
| Deed Document Number | 2012114664 |
| Prior Transfer Date | Sep 28, 2011 |
| Prior Transfer Doc | 0000229561 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 5122 CHILTERN LN, SAN RAMON, CA 94582-3097 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | ATLAS TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 5122 CHILTERN LN, SAN RAMON, CA 94582-3097 |
| Document Number | 0000202842 |
|---|---|
| Date | Jul 19, 2021 |
| Instrument | 2021-202842 |
| Name | GOOGAIN INC |
|---|---|
| Type | Mortgage Company |
| Address | SUNNYVALE, CA 94086 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Aug 1, 2051 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.62% |
| Type Change Date | Aug 1, 2031 |
| Change Frequency | 6 Months |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 7.62% |
| Index | Other |
| Max Rate | 7.62% |
The 2025 property tax bill for 5122 Chiltern Ln was $17,291 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 | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,091,519 (+2%) Land $426,885 Building $664,634 | |
| 2025 | $17,291.00 Homeowner's exemption | $1,070,117 Land $418,515 Building $651,602 |
| 2023 | $17,300.00 (+2.18%) Homeowner's exemption | $1,028,564 Land $402,264 Building $626,300 |
| 2022 | $16,931.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5122 Chiltern Ln in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 5122 Chiltern Ln is moderate, ranking above 62% 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 62% of the US · lower than 62% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) 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 290 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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