Contra Costa County property record for 444 Hartz Ave, Danville, CA 94526
| Property Type | Retail Stores (Personal Services, Photography, Travel) |
|---|---|
| Details | 2,400 sqft · built 1950 |
| Lot Size | 0.269 acres (11,700 sqft) |
| Owner | Company Name on File |
| Last Sale | $4,370,000 (Jul 2015) |
| Tax Bill | $59,311 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 208-022-010-2 |
| Primary APN | 208-022-010-2 |
|---|---|
| Alternative APN |
|
| Stories | 1 Story |
|---|---|
| Building Area | 2,400 sqft Gross Area |
| 1st Floor Area | 2,400 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1980 |
| Lot Area | 11,700 sqft (0.269 acres) |
| Street Address | 444 HARTZ AVE, 472 |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526-3804 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Retail Stores (Personal Services, Photography, Travel) |
| Legal Description | HARTZ ADDN LOTS 3 & 4 BLK 2 |
| Legal Subdivision | HARTZ ADD |
| Legal Block | 2 |
| Legal Lot Number | 3,4 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 345203 |
444 Hartz Ave is owned by a company that bought it in July 2015.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 1061 EAGLE NEST PL, DANVILLE, CA 94506-5873 |
| Owner Type | Company |
| Vesting | Company |
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 31, 2015 · Amount on File |
| Deed Sale | Jul 31, 2015 · Amount on File |
| Deed Document Number | 2015159466 |
| Prior Transfer Date | Mar 17, 2012 |
| Prior Transfer Doc | 0000071905 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 444 Hartz Ave was $59,311.
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 | $5,276,651 (+2%) Land $2,119,112 Building $3,157,539 | |
| 2025 | $59,311.00 | $5,173,188 Land $2,077,561 Building $3,095,627 |
| 2023 | $57,013.00 (+1.04%) | $4,972,309 (+2%) Land $1,996,888 Building $2,975,421 |
| 2022 | $56,428.00 | $4,874,814 Land $1,957,734 Building $2,917,080 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 444 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 444 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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