Contra Costa County property record for 402 Hartz Ave, Danville, CA 94526
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 1,092 sqft · built 1926 |
| Lot Size | 0.158 acres (6,875 sqft) |
| Owner | Trust Name on File |
| Last Sale | $2,245,500 (May 2015) |
| Tax Bill | $14,821 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 208-022-015-1 |
| Primary APN | 208-022-015-1 |
|---|---|
| Alternative APN |
|
| Total Rooms | 1 Room |
|---|---|
| Stories | 1 Story |
| Building Area | 1,092 sqft Gross Area |
| 1st Floor Area | 1,092 sqft |
| Year Built | Built 1926 |
|---|---|
| Effective Year Built | Effective 1960 |
| Lot Area | 6,875 sqft (0.158 acres) |
| Street Address | 402 HARTZ AVE |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-3804 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | HARTZ ADDN LOT 9 BLK 2 |
| Legal Subdivision | HARTZ ADD |
| Legal Block | 2 |
| Legal Lot Number | 9 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 345203 |
402 Hartz Ave, a commercial property, is held in a trust since May 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 301 DURHAM CT, DANVILLE, CA 94526-2911 |
| 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 | May 27, 2015 · Amount on File |
| Deed Sale | May 27, 2015 · Amount on File |
| Prior Sale | Apr 26, 2002 · Amount on File |
| Deed Document Number | 2015105995 |
| Prior Transfer Date | Apr 5, 2000 |
| Prior Transfer Doc | 0000081526 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 402 Hartz Ave was $14,821.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,071,416 (-2.69%) Land $565,000 Building $506,416 | |
| 2025 | $14,821.00 | $1,101,025 Land $525,000 Building $576,025 |
| 2023 | $15,491.00 (-16.19%) | $1,123,186 Land $525,000 Building $598,186 |
| 2022 | $18,483.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 402 Hartz Ave in Zone X, an area of minimal flood risk, within 500 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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Claims | 3 (1980–1986) |
| Most Recent Claim | Feb 1986 · Severe Storms & Flooding |
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 402 Hartz Ave 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 398 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless · DSL · Fiber in parts of the area | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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