Contra Costa County property record for 3559 Mount Diablo Blvd, Lafayette, CA 94549
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 3 ba · 2,120 sqft · built 1950 |
| Lot Size | 0.028 acres (1,200 sqft) |
| Owner | Trust Name on File |
| Last Sale | $150,000 (Jun 1994) |
| Tax Bill | $5,064 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 243-160-005-1 |
| Primary APN | 243-160-005-1 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Half Baths | 2 Half Baths |
| Total Rooms | 1 Room |
| Stories | 1 Story |
| Building Area | 2,120 sqft Gross Area |
| 1st Floor Area | 2,120 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Exterior Material | Stucco |
| Construction Type | Concrete Block |
| Roof Type | Flat |
| Lot Area | 1,200 sqft (0.028 acres) |
| Lot Dimensions | 60 ft deep x 20 ft wide |
| Cooling System | Wall Unit |
|---|---|
| Heating System | Floor/Wall Furnace |
| Street Address | 3559 MT DIABLO BLVD |
|---|---|
| City | LAFAYETTE |
| State | CA |
| Zip | 94549-8302 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | HOUGH TRACT POR LOT 10 BLK 3 |
| Legal Subdivision | HOUGH |
| Legal Block | 3 |
| Legal Lot Number | 10 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 350000 |
3559 Mount Diablo Blvd, a commercial property, is held in a trust since June 1994.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 101 ELLINWOOD DR, PLEASANT HILL, CA 94523-7722 |
| 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 | Jun 29, 1994 · Amount on File |
| Deed Sale | Jun 29, 1994 · Amount on File |
| Deed Document Number | 1994170239 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 3559 Mount Diablo Blvd was $5,064.
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 | $260,016 (+2%) Land $83,196 Building $176,820 | |
| 2025 | $5,064.00 | $254,918 Land $81,565 Building $173,353 |
| 2023 | $5,643.00 (+6.81%) | $245,021 Land $78,399 Building $166,622 |
| 2022 | $5,283.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3559 Mount Diablo Blvd in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 25 individual policies |
| Nearby Flood Policies | 63 units insured incl. 38 condo units |
| Nearby Flood Claims | 9 (1987–2001) |
| Claims Outside the SFHA | 1 of 9 |
| Most Recent Claim | Dec 2001 · 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 3559 Mount Diablo Blvd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 291 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, T-Mobile.
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