Contra Costa County property record for 2503 Marsh Dr, San Ramon, CA 94583
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,718 sqft · built 1978 |
| Lot Size | 0.303 acres (13,200 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $710,000 (Apr 2011) |
| Tax Bill | $10,844 (2025) |
| Deeds & Mortgages | Dec 2021 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 209-431-018-8 |
| Primary APN | 209-431-018-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,718 sqft Living Area |
| Gross Area | 3,341 sqft |
| 1st Floor Area | 1,428 sqft |
| 2nd Floor Area | 1,290 sqft |
| Year Built | Built 1978 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Colonial |
| Exterior Material | Stucco |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 13,200 sqft (0.303 acres) |
| Garage Type | Attached |
| Garage Area | 623 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 2503 MARSH DR |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94583-2118 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T04952 L0082 B |
| Legal Subdivision | SUBDIVISION 4952 |
| Legal Tract | 04952 |
| Legal Lot Number | 82 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 345116 |
2503 Marsh Dr is owned and occupied by two individuals who bought it in April 2011.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 2503 MARSH DR, SAN RAMON, CA 94583-2118 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 15, 2011 · Amount on File |
| Deed Sale | Apr 15, 2011 · Amount on File |
| Prior Sale | Nov 5, 1997 · Amount on File |
| Deed Document Number | 201177296 |
| Prior Transfer Date | Sep 7, 2007 |
| Prior Transfer Doc | 0000282709 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2503 MARSH DR, SAN RAMON, CA 94583-2118 |
| Transaction Type | Mortgage |
| Record Updated | Jun 8, 2026 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN |
| Name | Verified Name |
|---|---|
| Address | 2503 MARSH DR, SAN RAMON, CA 94583-2118 |
| Document Number | 0000342978 |
|---|---|
| Date | Dec 21, 2021 |
| Instrument | 2021-342978 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | CHARLOTTE, NC 28255 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 179 Months |
| Due | Nov 1, 2036 |
The 2025 property tax bill for 2503 Marsh Dr was $10,844 with a homeowner's exemption.
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 | $927,817 (+2%) Land $588,054 Building $339,763 | |
| 2025 | $10,844.00 Homeowner's exemption | $909,625 Land $576,524 Building $333,101 |
| 2023 | $10,444.00 (+0.77%) Homeowner's exemption | $874,305 Land $554,138 Building $320,167 |
| 2022 | $10,364.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2503 Marsh Dr in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jan 1998 · rainfall accumulation |
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.
Wildfire risk around 2503 Marsh Dr is moderate, ranking above 69% of the US, with a 0.3% annual chance of wildfire.
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 549 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 |
May also be available: T-Mobile.
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