Contra Costa County property record for 406 Constantine Ct, San Ramon, CA 94583 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,011 sqft · built 2006 |
| Lot Size | 0.057 acres (2,485 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $650,000 (Nov 2006) |
| Tax Bill | $10,414 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 208-740-045-9 |
| Primary APN | 208-740-045-9 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,011 sqft Living Area |
| 1st Floor Area | 681 sqft |
| 2nd Floor Area | 1,330 sqft |
| Year Built | Built 2006 |
|---|---|
| Effective Year Built | Effective 2006 |
| Lot Area | 2,485 sqft (0.057 acres) |
| Garage Type | Attached |
| Garage Area | 479 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 406 CONSTANTINE CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-3520 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T8797 L45 |
| Legal Subdivision | LAUDERHILL |
| Legal Tract | 8797 |
| Legal Lot Number | 45 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 345205 |
Source: Contra Costa County records · APN 208-740-045-9
Assessment roll updated July 14, 2026 · Last verified July 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 | 406 CONSTANTINE CT, SAN RAMON, CA 94583-3520 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Nov 20, 2006 · Amount on Record |
| Deed Sale | Nov 20, 2006 · Amount on Record |
| Deed Document Number | 2006371020 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $888,266 (+2%) Land $554,824 Building $333,442 | |
| 2025 | $10,414.00 (+3.85%) Homeowner's exemption | $870,850 (+4.04%) Land $543,946 Building $326,904 |
| 2023 | $10,028.00 (+0.77%) Homeowner's exemption | $837,036 Land $522,825 Building $314,211 |
| 2022 | $9,951.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Wildfire Risk | Moderate above 65% of the US · above 40% of California |
|---|---|
| Wildfire Likelihood | About 1 in 463 per year |
| Exposure | Indirect within ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 539 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Xfinity | Cable | 2,000 / 2,000 |
| Verizon | Fixed Wireless | 1,000 / 75 |
| Unwired | Fixed Wireless | 300 / 25 |
| Etheric Communications, LLC. | Fixed Wireless (licensed-by-rule) | 250 / 100 |
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: T-Mobile USA, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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