Contra Costa County property record for 325 Marks Rd, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,971 sqft · built 1977 |
| Lot Size | 1.15 acres (50,529 sqft) |
| Owner | Trust Name on File |
| Last Sale | $1,310,000 (Jul 2011) |
| Tax Bill | $18,789 (2025) |
| Deeds & Mortgages | Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 196-092-005-4 |
| Primary APN | 196-092-005-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,971 sqft Living Area |
| 1st Floor Area | 2,971 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Roof Material | Wood Shingle |
| Lot Area | 50,529 sqft |
| Garage Type | Attached |
| Garage Area | 741 sqft |
| Parking Spaces | 3 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 325 MARKS RD |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2746 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R40 |
| Legal Description | ALAMO OAKS POR LOT 48 |
| Legal Subdivision | ALAMO OAKS |
| Legal Lot Number | 48 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 346206 |
325 Marks Rd is owner-occupied and held in a trust since July 2011.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 325 MARKS RD, ALAMO, CA 94507-2746 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
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 | Name on Deed |
|---|---|
| Last Sale | Jul 7, 2011 · Amount on File |
| Deed Sale | Jul 7, 2011 · Amount on File |
| Deed Document Number | 2011133401 |
| Prior Transfer Date | Aug 2, 1994 |
| Prior Transfer Doc | 0000197455 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 325 MARKS RD, ALAMO, CA 94507-2746 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | CHICAGO TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 325 MARKS RD, ALAMO, CA 94507-2746 |
| Document Number | 0000220282 |
|---|---|
| Date | Sep 29, 2020 |
| Instrument | 2020-220282 |
| Name | LENDUS LLC |
|---|---|
| Type | Mortgage Company |
| Address | ALAMO, CA 94507 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Oct 1, 2050 |
The 2025 property tax bill for 325 Marks Rd was $18,789 with a homeowner's exemption.
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 | $1,678,330 (+2%) Land $1,217,112 Building $461,218 | |
| 2025 | $18,789.00 Homeowner's exemption | $1,645,423 Land $1,193,248 Building $452,175 |
| 2023 | $18,126.00 (+0.74%) Homeowner's exemption | $1,581,530 Land $1,146,913 Building $434,617 |
| 2022 | $17,992.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 325 Marks Rd in Zone X, an area of minimal flood risk.
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 | 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.
Wildfire risk around 325 Marks Rd is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond 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 164 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 |
May also be available: AT&T, Etheric Networks, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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