Contra Costa County property record for 3331 Mount Diablo Blvd, Lafayette, CA 94549
| Property Type | Auto Repair, Garage |
|---|---|
| Details | 1,183 sqft · built 1957 |
| Lot Size | 0.32 acres (13,939 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $5,041 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 233-110-027-7 |
| Primary APN | 233-110-027-7 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 1,183 sqft Gross Area |
| 1st Floor Area | 1,183 sqft |
| Year Built | Built 1957 |
|---|---|
| Effective Year Built | Effective 1957 |
| Lot Area | 13,939 sqft (0.32 acres) |
| Street Address | 3329 MT DIABLO BLVD, 3331 |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-4011 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Auto Repair, Garage |
| Legal Description | PCL MAP 59 PG 28 PCL B |
| Legal Tract | 59PM28 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 349000 |
3331 Mount Diablo Blvd is held in a trust since April 1995.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 273 MARKS RD, ALAMO, CA 94507-2750 |
| 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 Transfer Date | Apr 13, 1995 |
| Transfer Doc | 0000071301 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3331 Mount Diablo Blvd was $5,041.
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 | $240,295 (+2%) Land $163,747 Building $76,548 | |
| 2025 | $5,041.00 | $235,585 Land $160,537 Building $75,048 |
| 2023 | $4,913.00 (+0.68%) | $226,439 Land $154,304 Building $72,135 |
| 2022 | $4,880.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3331 Mount Diablo Blvd in Zone X, an area of minimal flood risk, though there have been 6 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 |
| Flood Insurance Cost | Premium on File median of 15 policies |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 6 (1982–2002) |
| Claims Outside the SFHA | 1 of 6 |
| Most Recent Claim | Dec 2002 · river or lake flooding |
| 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 3331 Mount Diablo Blvd is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 63% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
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 128 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 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Etheric Networks, T-Mobile, Verizon.
5G (outdoors only) and 4G LTE
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