Contra Costa County property record for 2139 Las Trampas Rd, Alamo, CA 94507
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 4,441 sqft · built 1992 |
| Lot Size | 6.93 acres (302,306 sqft) |
| Owner | Trust Name on File |
| Last Sale | $3,038,000 (Jul 2007) |
| Tax Bill | $44,373 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 198-220-045-1 |
| Primary APN | 198-220-045-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,441 sqft Living Area |
| 1st Floor Area | 3,763 sqft |
| 2nd Floor Area | 678 sqft |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 2005 |
| Lot Area | 302,306 sqft |
| Garage Type | Attached |
| Garage Area | 772 sqft |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 2139 LAS TRAMPAS RD |
|---|---|
| City | ALAMO |
| State | CA |
| Zip | 94507-1863 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A2 |
| Legal Description | T6419 LOT 17 & POR LOT 16 |
| Legal Subdivision | SUBDIVISION 6419 |
| Legal Tract | 6419 |
| Legal Lot Number | 17,16 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 345204 |
2139 Las Trampas Rd is held in a trust since August 2007.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 2139 LAS TRAMPAS RD, ALAMO, CA 94507-1863 |
| 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 24, 2007 · Amount on File |
| Deed Sale | Jul 24, 2007 · Amount on File |
| Prior Sale | Feb 11, 2003 · Amount on File |
| Deed Document Number | 2007212170 |
| Last Transfer Date | Aug 6, 2007 |
| Transfer Doc | 0000248234 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Property Address | 2139 LAS TRAMPAS RD, ALAMO, CA 94507-1863 |
| Transaction Type | Mortgage |
| Record Updated | Nov 3, 2022 |
| Title Company | AMROCK INC |
| Name | Verified Name |
|---|---|
| Address | 2139 LAS TRAMPAS RD, ALAMO, CA 94507-1863 |
| Document Number | 0000331256 |
|---|---|
| Date | Dec 31, 2020 |
| Instrument | 2020-331256 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Address | DETROIT, MI 48226 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jan 1, 2051 |
The 2025 property tax bill for 2139 Las Trampas Rd was $44,373.
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 | $4,081,651 (+2%) Land $1,741,722 Building $2,339,929 | |
| 2025 | $44,373.00 | $4,001,620 Land $1,707,571 Building $2,294,049 |
| 2023 | $41,526.00 (+6.85%) | $3,725,000 Land $1,589,532 Building $2,135,468 |
| 2022 | $38,863.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 2139 Las Trampas Rd in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1982.
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 | 9 in force |
| Nearby Flood Claims | 8 (1982–2023) |
| Claims Outside the SFHA | 3 of 8 |
| Most Recent Claim | Apr 2023 · rainfall accumulation |
| 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 2139 Las Trampas Rd is high, ranking above 72% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 47% of California |
|---|---|
| Wildfire Likelihood | 0.4% 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 14 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 |
5G (outdoors only) and 4G LTE
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