Contra Costa County property record for 421 Rolling Ln, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,881 sqft · built 1976 |
| Lot Size | 1.05 acres (45,955 sqft) |
| Owner | Company Name on Record |
| Last Sale | $575,000 (Oct 1995) |
| Tax Bill | $16,945 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193-430-038-3 |
| Primary APN | 193-430-038-3 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 2,881 sqft Living Area |
| 1st Floor Area | 1,825 sqft |
| Basement Area | 1,056 sqft |
| Year Built | Built 1976 |
|---|---|
| Effective Year Built | Effective 1977 |
| Lot Area | 45,955 sqft |
| Garage Type | Attached |
| Garage Area | 704 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 421 ROLLING LN |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-2307 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15 |
| Legal Description | TR 4142 LOTS 36 & 37 |
| Legal Subdivision | SUBDIVISION #4142 |
| Legal Tract | 4142 |
| Legal Lot Number | 36,37 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2000 |
| 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 | 421 ROLLING LN, ALAMO, CA 94507-2307 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 27, 1995 · Amount on Record |
| Deed Sale | Oct 27, 1995 · Amount on Record |
| Deed Document Number | 1995186527 |
| Last Transfer Date | Jul 9, 2002 |
| Transfer Doc | 0000243191 |
| 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 | $1,448,627 (+2%) Land $1,175,174 Building $273,453 | |
| 2025 | $16,945.00 (+3.52%) Homeowner's exemption | $1,420,224 (+4.04%) Land $1,152,132 Building $268,092 |
| 2023 | $16,369.00 (-1.2%) Homeowner's exemption | $1,365,078 Land $1,107,395 Building $257,683 |
| 2022 | $16,567.00 |
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 | 3 in force |
| Nearby Flood Claims | 1 (2002) |
| Most Recent Claim | Dec 2002 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 69% of the US · above 43% 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 162 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 DSL · Fixed Wireless in parts of the area | 100 / 20 |
May also be available: Etheric Networks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures