Contra Costa County property record for 10153 Nantucket Dr, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 3,106 sqft · built 1981 |
| Lot Size | 0.455 acres (19,800 sqft) |
| Owner | Company Name on File |
| Last Sale | $869,500 (Aug 2002) |
| Tax Bill | $14,406 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 212-482-014-9 |
| Primary APN | 212-482-014-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,106 sqft Living Area |
| 1st Floor Area | 2,546 sqft |
| 2nd Floor Area | 560 sqft |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Cluster |
| Lot Area | 19,800 sqft (0.455 acres) |
| Garage Type | Attached |
| Garage Area | 528 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 10153 NANTUCKET DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-2870 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | PCL MAP 116 PG 26 PCL B |
| Legal Tract | 116PM26 |
| Legal Lot Number | 29 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4022 |
| Census Tract | 345112 |
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 | Company Name on File |
|---|---|
| Mailing Address | 10153 NANTUCKET DR, SAN RAMON, CA 94582-2870 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 30, 2002 · Amount on Record |
| Deed Sale | Aug 30, 2002 · Amount on Record |
| Deed Document Number | 2002306036 |
| Last Transfer Date | Nov 15, 2013 |
| Transfer Doc | 0000055458 |
| Record Updated | Sep 20, 2026 |
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 | $1,284,494 (+2%) Land $635,229 Building $649,265 | |
| 2025 | $14,406.00 (+3.65%) Homeowner's exemption | $1,259,309 (+4.04%) Land $622,774 Building $636,535 |
| 2023 | $13,899.00 (+0.74%) Homeowner's exemption | $1,210,410 Land $598,592 Building $611,818 |
| 2022 | $13,797.00 |
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 |
| Community Rating System | Class 6 (20% premium discount) |
| Nearby Flood Policies | 1 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 | Low lower than 62% of the US · lower than 77% of California |
|---|---|
| Wildfire Likelihood | 0.06% 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 509 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 |
| Etheric Communications, LLC. Fixed Wireless | 250 / 100 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T DSL | 100 / 20 |
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