Contra Costa County property record for 3210 Stonegate Ln, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 4,116 sqft · built 1990 |
| Lot Size | 0.406 acres (17,670 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $859,000 (Mar 1997) |
| Tax Bill | $16,245 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 187-490-028-3 |
| Primary APN | 187-490-028-3 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Stories | 2 Stories |
| Building Area | 4,116 sqft Living Area |
| 1st Floor Area | 3,357 sqft |
| 2nd Floor Area | 759 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1990 |
|---|---|
| Effective Year Built | Effective 1990 |
| Exterior Material | Stucco |
| Roof Material | Tile |
| Lot Area | 17,670 sqft (0.406 acres) |
| Garage Type | Attached |
| Garage Area | 727 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3210 STONEGATE LN |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-1721 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | P1 |
| Legal Description | T6743 L79 |
| Legal Tract | 6743 |
| Legal Lot Number | 79 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 346101 |
Source: Contra Costa County records, as of July 14, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3210 STONEGATE LN, ALAMO, CA 94507-1721 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 28, 1997 · Amount on Record |
| Deed Sale | Mar 28, 1997 · Amount on Record |
| Deed Document Number | 199750624 |
| Last Transfer Date | May 1, 2003 |
| Transfer Doc | 0000229412 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,427,017 (+2%) Land $583,097 Building $843,920 | |
| 2025 | $16,245.00 (+4.42%) Homeowner's exemption | $1,399,037 (+4.04%) Land $571,664 Building $827,373 |
| 2023 | $15,557.00 (+0.78%) Homeowner's exemption | $1,344,712 Land $549,466 Building $795,246 |
| 2022 | $15,437.00 |
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 | High above 74% of the US · above 49% 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 | 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 160 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 |
| AT&T DSL | 100 / 20 |
May also be available: Astound Broadband, Verizon.
5G (outdoors only) and 4G LTE
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