Contra Costa County property record for 3148 Old Tunnel Rd, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 3,013 sqft · built 1941 |
| Lot Size | 0.88 acres (38,332 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,704 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 185-030-005-2 |
| Primary APN | 185-030-005-2 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 14 Rooms |
| Stories | 1 Story |
| Building Area | 3,013 sqft Living Area |
| Gross Area | 1,863 sqft |
| 1st Floor Area | 1,863 sqft |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 2000 |
| Lot Area | 38,332 sqft (0.88 acres) |
| Garage Type | Attached |
| Garage Area | 416 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 3148 OLD TUNNEL RD |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4141 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | RO CANADA DEL HAMBRE .88 AC |
| Legal Subdivision | RANCHO CANADA DEL H |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 349000 |
3148 Old Tunnel Rd is held in a trust since January 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 3148 OLD TUNNEL RD, LAFAYETTE, CA 94549-4141 |
| 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 | 2 Names on Deed |
|---|---|
| Last Transfer Date | Jan 16, 2015 |
| Transfer Doc | 0000022512 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3148 Old Tunnel Rd was $6,704.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Lafayette City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Lafayette Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $393,413 (+2%) Land $174,877 Building $218,536 | |
| 2025 | $6,704.00 | $385,700 Land $171,449 Building $214,251 |
| 2023 | $6,473.00 (-3.27%) | $370,725 Land $164,793 Building $205,932 |
| 2022 | $6,692.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3148 Old Tunnel Rd in Zone X, an area of minimal flood risk, though there have been 9 flood claims nearby since 1978.
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 Policies | 9 in force |
| Nearby Flood Claims | 9 (1978–2017) |
| Claims Outside the SFHA | 3 of 9 |
| Most Recent Claim | Jan 2017 · Severe Winter Storms, Flooding, And Mudslides |
| Claims by Event |
|
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 3148 Old Tunnel Rd is low, with a 0.02% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% 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 345 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Etheric Networks.
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