Contra Costa County property record for 231 Chestnut Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,997 sqft · built 1971 |
| Lot Size | 0.165 acres (7,200 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $210,500 (Jan 2018) |
| Tax Bill | $5,571 (2025) |
| Deeds & Mortgages | Apr 2018 Line of Credit Jan 2018 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 210-602-009-8 |
| Primary APN | 210-602-009-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 1,997 sqft Living Area |
| 1st Floor Area | 1,115 sqft |
| 2nd Floor Area | 882 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 7,200 sqft (0.165 acres) |
| Garage Type | Attached |
| Garage Area | 437 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 231 CHESTNUT CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3538 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3900 LOT 78 EX MR |
| Legal Subdivision | CASTRO STREET EXTENSION TRACT |
| Legal Tract | 3900 |
| Legal Lot Number | 78 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 345101 |
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 | 231 CHESTNUT CT, SAN RAMON, CA 94583-3538 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Apr 4, 2018 | Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA NA |
| Jan 12, 2018 | Grant Deed, Transfer · Conventional Mortgage FREMONT BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 12, 2018 · Amount on Record |
| Deed Sale | Jan 12, 2018 · Amount on Record |
| Deed Document Number | 20184805 |
| Prior Transfer Date | Jan 9, 2018 |
| Prior Transfer Doc | 0000004805 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 231 CHESTNUT CT, SAN RAMON, CA 94583-3538 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMERICAN TITLE INC |
| Name | Verified Name |
|---|
| Document Number | 0000051696 |
|---|---|
| Date | Apr 4, 2018 |
| Instrument | 2018-051696 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jan 12, 2018 |
| Property Address | 231 CHESTNUT CT, SAN RAMON, CA 94583-3538 |
| Document Number | 0000004805 |
| Map Reference | MB 128 PG 41-46 |
| Instrument Date | Jan 9, 2018 |
| Instrument | 2018-004805 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Title Company | FIDELITY NATIONAL TITLE CONC |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Rounded by County |
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 231 CHESTNUT CT, SAN RAMON, CA 94583-3538 |
| Document Number | 0000004806 |
|---|---|
| Date | Jan 12, 2018 |
| Instrument | 2018-004806 |
| Name | FREMONT BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2048 |
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 | $452,059 (+2%) Land $163,934 Building $288,125 | |
| 2025 | $5,571.00 (+3.86%) Homeowner's exemption | $443,196 (+4.04%) Land $160,720 Building $282,476 |
| 2023 | $5,364.00 (+0.73%) Homeowner's exemption | $425,988 Land $154,480 Building $271,508 |
| 2022 | $5,325.00 |
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 |
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 | 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 575 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 Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
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