Contra Costa County property record for 101 Marsh Pl, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,031 sqft · built 1971 |
| Lot Size | 0.229 acres (9,975 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $5,348 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-170-005 |
| Primary APN | 209-170-005 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 1 Story |
| Building Area | 2,031 sqft Living Area |
| 1st Floor Area | 2,031 sqft |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1972 |
| Lot Area | 9,975 sqft (0.229 acres) |
| Garage Type | Attached |
| Garage Area | 495 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 101 MARSH PL |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 3869 LOT 63 EX MR |
| Legal Subdivision | SUBDIVISION 3869 |
| Legal Tract | 3869 |
| Legal Lot Number | 63 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 345206 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 101 MARSH PL, SAN RAMON, CA 94583-2009 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Unmarried Man |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Sep 9, 2024 |
| Transfer Doc | 0000094976 |
| 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 | $409,967 (+2%) Land $185,458 Building $224,509 | |
| 2025 | $5,348.00 (+4.17%) | $401,929 (+4.04%) Land $181,822 Building $220,107 |
| 2023 | $5,134.00 (+0.79%) Homeowner's exemption | $386,323 Land $174,762 Building $211,561 |
| 2022 | $5,094.00 |
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| 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 | Moderate above 45% of the US · lower than 73% of California |
|---|---|
| Wildfire Likelihood | 0.09% annual chance |
| Exposure | Indirect within 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 547 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 |
| AT&T DSL | 100 / 20 |
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