Contra Costa County property record for 18 Westside Ct, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,586 sqft · built 1996 |
| Lot Size | 0.384 acres (16,727 sqft) |
| Owner | Company Name on Record |
| Last Sale | $550,000 (Jul 1999) |
| Tax Bill | $10,267 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 211-080-037-8 |
| Primary APN | 211-080-037-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,586 sqft Living Area |
| 1st Floor Area | 1,519 sqft |
| 2nd Floor Area | 1,067 sqft |
| Year Built | Built 1996 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | Cluster |
| Lot Area | 16,727 sqft (0.384 acres) |
| Garage Type | Attached |
| Garage Area | 624 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 18 WESTSIDE CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2639 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T7961 L37 |
| Legal Tract | 7961 |
| Legal Lot Number | 37 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 345115 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 18 WESTSIDE CT, SAN RAMON, CA 94583-2639 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 15, 1999 · Amount on Record |
| Deed Sale | Jul 15, 1999 · Amount on Record |
| Prior Sale | Dec 27, 1996 · Amount on Record |
| Deed Document Number | 1999185536 |
| Last Transfer Date | Jul 30, 2010 |
| Transfer Doc | 0000159837 |
| Record Updated | Oct 29, 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 | $882,728 (+2%) Land $313,535 Building $569,193 | |
| 2025 | $10,267.00 (+3.97%) Homeowner's exemption | $865,421 (+4.04%) Land $307,388 Building $558,033 |
| 2023 | $9,875.00 (+0.73%) Homeowner's exemption | $831,817 Land $295,452 Building $536,365 |
| 2022 | $9,803.00 |
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 | 2 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 | Moderate above 69% of the US · above 44% of California |
|---|---|
| Wildfire Likelihood | 0.3% 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 137 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Unwired Fixed Wireless | 300 / 25 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Etheric Networks.
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