Contra Costa County property record for 3161 Old Tunnel Rd, Lafayette, CA 94549
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,924 sqft · built 1956 |
| Lot Size | 0.379 acres (16,510 sqft) |
| Owner | 2 Company Names on File |
| Tax Bill | $8,626 (2025) |
| Deeds & Mortgages | May 2026 Transfer Oct 2017 Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 185-062-024-4 |
| Primary APN | 185-062-024-4 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 1,924 sqft Living Area |
| 1st Floor Area | 1,924 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Roof Material | Wood Shingle |
| Lot Area | 16,510 sqft (0.379 acres) |
| Garage Type | Attached |
| Garage Area | 482 sqft |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Floor/Wall Furnace |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 3161 OLD TUNNEL RD |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4116 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2387 LOT 30 & POR LOT 31 |
| Legal Subdivision | BUCHANAN ESTATES |
| Legal Tract | 2387 |
| Legal Lot Number | 30,31 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 341000 |
Source: Contra Costa County records · APN 185-062-024-4
Assessment roll updated July 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Owner Type | Company |
| Vesting | Trust, Revocable Living Trust |
| Date | Document |
|---|---|
| May 13, 2026 | Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT |
| Oct 31, 2017 | Deed of Trust, Mortgage · ARM FIRST BANK |
| Sep 14, 2021 | Deed of Trust, Mortgage · Conventional Mortgage AMERICAN PACIFIC MORTGAGE CORP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | May 06, 2026 |
| Transfer Doc | 0000050102 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | May 13, 2026 |
| Property Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Document Number | 0000050102 |
| Instrument Date | May 06, 2026 |
| Instrument | 202650102 |
| Transaction Type | Transfer |
| Record Updated | Jul 12, 2026 |
| Title Company | NONE LISTED ON DOCUMENT |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | FIDELITY TITLE COMPANY |
| Name | Verified Name |
|---|
| Document Number | 0000204692 |
|---|---|
| Date | Oct 31, 2017 |
| Instrument | 2017-204692 |
| Name | FIRST BANK |
|---|---|
| Type | Bank |
| Address | SAINT LOUIS, MO 63141 |
| Type | ARM |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.25% |
| Type Change Date | Nov 01, 2024 |
| Change Frequency | Annually |
| Min Rate At Change | 2.75% |
| Max Rate At Change | 5.25% |
| Index | 1-Year CMT |
| Max Rate | 9.25% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Transaction Type | Mortgage |
| Record Updated | Nov 03, 2022 |
| Title Company | WFG NATIONAL TITLE COMPANY |
| Name | Verified Name |
|---|---|
| Address | 3161 OLD TUNNEL RD, LAFAYETTE, CA 94549-4116 |
| Document Number | 0000256033 |
|---|---|
| Date | Sep 14, 2021 |
| Instrument | 2021-256033 |
| Name | AMERICAN PACIFIC MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Address | ROSEVILLE, CA 95661 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 01, 2051 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $616,300 (+2%) Land $275,950 Building $340,350 | |
| 2025 | $8,626.00 (+3.75%) Homeowner's exemption | $604,217 (+4.04%) Land $270,540 Building $333,677 |
| 2023 | $8,314.00 (+1.6%) Homeowner's exemption | $580,757 Land $260,036 Building $320,721 |
| 2022 | $8,183.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), as of October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Wildfire Risk | Low lower than 66% of the US · lower than 80% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| 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 USA Fixed Wireless | 100 / 20 |
May also be available: Etheric Communications, LLC., Radiate Holdings.
Based on FCC filings for 345 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system CA0110005, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | EAST BAY MUD serves 1,468,000 people |
|---|---|
| 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 as reported to EPA, 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. The full violation and enforcement history is in the system's EPA record.
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