Contra Costa County property record for 2425 Roundhill Dr, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,387 sqft · built 1963 |
| Lot Size | 0.388 acres (16,900 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,000,500 (Mar 2004) |
| Tax Bill | $5,907 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193-261-006-4 |
| Primary APN | 193-261-006-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,387 sqft Living Area |
| 1st Floor Area | 2,387 sqft |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Lot Area | 16,900 sqft (0.388 acres) |
| Lot Dimensions | 130 ft deep x 130 ft wide |
| Garage Type | Attached |
| Garage Area | 539 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Central |
|---|
| Street Address | 2425 ROUNDHILL DR |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2218 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15 |
| Legal Description | TRACT 2630 LOT 80 EX MR |
| Legal Subdivision | ROUNDHILL |
| Legal Tract | 2630 |
| Legal Lot Number | 80 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 4 |
| Census Block | 4002 |
| Census Tract | 346102 |
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 | 2425 ROUNDHILL DR, ALAMO, CA 94507-2218 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 17, 2004 · Amount on Record |
| Deed Sale | Mar 17, 2004 · Amount on Record |
| Deed Document Number | 200489105 |
| Last Transfer Date | Jun 24, 2013 |
| Transfer Doc | 0000176561 |
| Record Updated | Sep 20, 2026 |
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 | $428,664 (+2%) Land $175,521 Building $253,143 | |
| 2025 | $5,907.00 (+3.72%) Homeowner's exemption | $420,260 (+4.04%) Land $172,080 Building $248,180 |
| 2023 | $5,695.00 (+0.71%) Homeowner's exemption | $403,943 Land $165,399 Building $238,544 |
| 2022 | $5,655.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
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 | 8 in force |
| Nearby Flood Claims | 3 (1995–2002) |
| Most Recent Claim | Dec 2002 · river or lake flooding |
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 48% of the US · lower than 71% of California |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
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 181 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 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: T-Mobile.
5G (outdoors only) and 4G LTE
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